<?php
/**
- * Post functions and post utility function.
+ * Core Post API
*
* @package WordPress
* @subpackage Post
- * @since 1.5.0
*/
//
/**
* Creates the initial post types when 'init' action is fired.
*
+ * See {@see 'init'}.
+ *
* @since 2.9.0
*/
function create_initial_post_types() {
'_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
'capability_type' => 'post',
'map_meta_cap' => true,
+ 'menu_position' => 5,
'hierarchical' => false,
'rewrite' => false,
'query_var' => false,
+ 'delete_with_user' => true,
'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'trackbacks', 'custom-fields', 'comments', 'revisions', 'post-formats' ),
) );
'_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
'capability_type' => 'page',
'map_meta_cap' => true,
+ 'menu_position' => 20,
'hierarchical' => true,
'rewrite' => false,
'query_var' => false,
+ 'delete_with_user' => true,
'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'page-attributes', 'custom-fields', 'comments', 'revisions' ),
) );
register_post_type( 'attachment', array(
'labels' => array(
- 'name' => __( 'Media' ),
- 'edit_item' => __( 'Edit Media' ),
+ 'name' => _x('Media', 'post type general name'),
+ 'name_admin_bar' => _x( 'Media', 'add new from admin bar' ),
+ 'add_new' => _x( 'Add New', 'add new media' ),
+ 'edit_item' => __( 'Edit Media' ),
+ 'view_item' => __( 'View Attachment Page' ),
),
'public' => true,
- 'show_ui' => false,
+ 'show_ui' => true,
'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
- '_edit_link' => 'media.php?attachment_id=%d', /* internal use only. don't use this when registering your own post type. */
+ '_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
'capability_type' => 'post',
+ 'capabilities' => array(
+ 'create_posts' => 'upload_files',
+ ),
'map_meta_cap' => true,
'hierarchical' => false,
'rewrite' => false,
'query_var' => false,
'show_in_nav_menus' => false,
- 'supports' => array( 'comments' ),
+ 'delete_with_user' => true,
+ 'supports' => array( 'title', 'author', 'comments' ),
) );
+ add_post_type_support( 'attachment:audio', 'thumbnail' );
+ add_post_type_support( 'attachment:video', 'thumbnail' );
register_post_type( 'revision', array(
'labels' => array(
'rewrite' => false,
'query_var' => false,
'can_export' => false,
+ 'delete_with_user' => true,
+ 'supports' => array( 'author' ),
) );
register_post_type( 'nav_menu_item', array(
'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
'hierarchical' => false,
'rewrite' => false,
+ 'delete_with_user' => false,
'query_var' => false,
) );
register_post_status( 'publish', array(
- 'label' => _x( 'Published', 'post' ),
+ 'label' => _x( 'Published', 'post status' ),
'public' => true,
'_builtin' => true, /* internal use only. */
'label_count' => _n_noop( 'Published <span class="count">(%s)</span>', 'Published <span class="count">(%s)</span>' ),
) );
register_post_status( 'future', array(
- 'label' => _x( 'Scheduled', 'post' ),
+ 'label' => _x( 'Scheduled', 'post status' ),
'protected' => true,
'_builtin' => true, /* internal use only. */
'label_count' => _n_noop('Scheduled <span class="count">(%s)</span>', 'Scheduled <span class="count">(%s)</span>' ),
) );
register_post_status( 'draft', array(
- 'label' => _x( 'Draft', 'post' ),
+ 'label' => _x( 'Draft', 'post status' ),
'protected' => true,
'_builtin' => true, /* internal use only. */
'label_count' => _n_noop( 'Draft <span class="count">(%s)</span>', 'Drafts <span class="count">(%s)</span>' ),
) );
register_post_status( 'pending', array(
- 'label' => _x( 'Pending', 'post' ),
+ 'label' => _x( 'Pending', 'post status' ),
'protected' => true,
'_builtin' => true, /* internal use only. */
'label_count' => _n_noop( 'Pending <span class="count">(%s)</span>', 'Pending <span class="count">(%s)</span>' ),
) );
register_post_status( 'private', array(
- 'label' => _x( 'Private', 'post' ),
+ 'label' => _x( 'Private', 'post status' ),
'private' => true,
'_builtin' => true, /* internal use only. */
'label_count' => _n_noop( 'Private <span class="count">(%s)</span>', 'Private <span class="count">(%s)</span>' ),
) );
register_post_status( 'trash', array(
- 'label' => _x( 'Trash', 'post' ),
+ 'label' => _x( 'Trash', 'post status' ),
'internal' => true,
'_builtin' => true, /* internal use only. */
'label_count' => _n_noop( 'Trash <span class="count">(%s)</span>', 'Trash <span class="count">(%s)</span>' ),
'exclude_from_search' => false,
) );
}
-add_action( 'init', 'create_initial_post_types', 0 ); // highest priority
/**
* Retrieve attached file path based on attachment ID.
*
- * You can optionally send it through the 'get_attached_file' filter, but by
- * default it will just return the file path unfiltered.
+ * By default the path will go through the 'get_attached_file' filter, but
+ * passing a true to the $unfiltered argument of get_attached_file() will
+ * return the file path unfiltered.
*
* The function works by getting the single post meta name, named
* '_wp_attached_file' and returning it. This is a convenience function to
* attached filename through a filter.
*
* @since 2.0.0
- * @uses apply_filters() Calls 'get_attached_file' on file path and attachment ID.
*
- * @param int $attachment_id Attachment ID.
- * @param bool $unfiltered Whether to apply filters.
- * @return string The file path to the attached file.
+ * @param int $attachment_id Attachment ID.
+ * @param bool $unfiltered Optional. Whether to apply filters. Default false.
+ * @return string|false The file path to where the attached file should be, false otherwise.
*/
function get_attached_file( $attachment_id, $unfiltered = false ) {
$file = get_post_meta( $attachment_id, '_wp_attached_file', true );
- // If the file is relative, prepend upload dir
- if ( 0 !== strpos($file, '/') && !preg_match('|^.:\\\|', $file) && ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) )
+
+ // If the file is relative, prepend upload dir.
+ if ( $file && 0 !== strpos( $file, '/' ) && ! preg_match( '|^.:\\\|', $file ) && ( ( $uploads = wp_get_upload_dir() ) && false === $uploads['error'] ) ) {
$file = $uploads['basedir'] . "/$file";
- if ( $unfiltered )
+ }
+
+ if ( $unfiltered ) {
return $file;
+ }
+
+ /**
+ * Filters the attached file based on the given ID.
+ *
+ * @since 2.1.0
+ *
+ * @param string $file Path to attached file.
+ * @param int $attachment_id Attachment ID.
+ */
return apply_filters( 'get_attached_file', $file, $attachment_id );
}
* '_wp_attached_file' to store the path of the attachment.
*
* @since 2.1.0
- * @uses apply_filters() Calls 'update_attached_file' on file path and attachment ID.
*
- * @param int $attachment_id Attachment ID
- * @param string $file File path for the attachment
- * @return bool False on failure, true on success.
+ * @param int $attachment_id Attachment ID.
+ * @param string $file File path for the attachment.
+ * @return bool True on success, false on failure.
*/
function update_attached_file( $attachment_id, $file ) {
if ( !get_post( $attachment_id ) )
return false;
+ /**
+ * Filters the path to the attached file to update.
+ *
+ * @since 2.1.0
+ *
+ * @param string $file Path to the attached file to update.
+ * @param int $attachment_id Attachment ID.
+ */
$file = apply_filters( 'update_attached_file', $file, $attachment_id );
- $file = _wp_relative_upload_path($file);
- return update_post_meta( $attachment_id, '_wp_attached_file', $file );
+ if ( $file = _wp_relative_upload_path( $file ) )
+ return update_post_meta( $attachment_id, '_wp_attached_file', $file );
+ else
+ return delete_post_meta( $attachment_id, '_wp_attached_file' );
}
/**
* The path is relative to the current upload dir.
*
* @since 2.9.0
- * @uses apply_filters() Calls '_wp_relative_upload_path' on file path.
*
- * @param string $path Full path to the file
- * @return string relative path on success, unchanged path on failure.
+ * @param string $path Full path to the file.
+ * @return string Relative path on success, unchanged path on failure.
*/
function _wp_relative_upload_path( $path ) {
$new_path = $path;
- if ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) {
- if ( 0 === strpos($new_path, $uploads['basedir']) ) {
- $new_path = str_replace($uploads['basedir'], '', $new_path);
- $new_path = ltrim($new_path, '/');
- }
+ $uploads = wp_get_upload_dir();
+ if ( 0 === strpos( $new_path, $uploads['basedir'] ) ) {
+ $new_path = str_replace( $uploads['basedir'], '', $new_path );
+ $new_path = ltrim( $new_path, '/' );
}
+ /**
+ * Filters the relative path to an uploaded file.
+ *
+ * @since 2.9.0
+ *
+ * @param string $new_path Relative path to the file.
+ * @param string $path Full path to the file.
+ */
return apply_filters( '_wp_relative_upload_path', $new_path, $path );
}
* Attachments may also be made the child of a post, so if that is an accurate
* statement (which needs to be verified), it would then be possible to get
* all of the attachments for a post. Attachments have since changed since
- * version 2.5, so this is most likely unaccurate, but serves generally as an
+ * version 2.5, so this is most likely inaccurate, but serves generally as an
* example of what is possible.
*
* The arguments listed as defaults are for this function and also of the
- * {@link get_posts()} function. The arguments are combined with the
- * get_children defaults and are then passed to the {@link get_posts()}
- * function, which accepts additional arguments. You can replace the defaults in
- * this function, listed below and the additional arguments listed in the
- * {@link get_posts()} function.
+ * get_posts() function. The arguments are combined with the get_children defaults
+ * and are then passed to the get_posts() function, which accepts additional arguments.
+ * You can replace the defaults in this function, listed below and the additional
+ * arguments listed in the get_posts() function.
*
* The 'post_parent' is the most important argument and important attention
* needs to be paid to the $args parameter. If you pass either an object or an
* post types are 'post', 'pages', and 'attachments'. The 'post_status'
* argument will accept any post status within the write administration panels.
*
- * @see get_posts() Has additional arguments that can be replaced.
- * @internal Claims made in the long description might be inaccurate.
- *
* @since 2.0.0
*
- * @param mixed $args Optional. User defined arguments for replacing the defaults.
- * @param string $output Optional. Constant for return type, either OBJECT (default), ARRAY_A, ARRAY_N.
- * @return array|bool False on failure and the type will be determined by $output parameter.
+ * @see get_posts()
+ * @todo Check validity of description.
+ *
+ * @global WP_Post $post
+ *
+ * @param mixed $args Optional. User defined arguments for replacing the defaults. Default empty.
+ * @param string $output Optional. Constant for return type. Accepts OBJECT, ARRAY_A, ARRAY_N.
+ * Default OBJECT.
+ * @return array Array of children, where the type of each element is determined by $output parameter.
+ * Empty array on failure.
*/
-function get_children($args = '', $output = OBJECT) {
+function get_children( $args = '', $output = OBJECT ) {
$kids = array();
if ( empty( $args ) ) {
if ( isset( $GLOBALS['post'] ) ) {
$children = get_posts( $r );
- if ( !$children )
+ if ( ! $children )
return $kids;
+ if ( ! empty( $r['fields'] ) )
+ return $children;
+
update_post_cache($children);
foreach ( $children as $key => $child )
if ( $output == OBJECT ) {
return $kids;
} elseif ( $output == ARRAY_A ) {
- foreach ( (array) $kids as $kid )
+ $weeuns = array();
+ foreach ( (array) $kids as $kid ) {
$weeuns[$kid->ID] = get_object_vars($kids[$kid->ID]);
+ }
return $weeuns;
} elseif ( $output == ARRAY_N ) {
- foreach ( (array) $kids as $kid )
+ $babes = array();
+ foreach ( (array) $kids as $kid ) {
$babes[$kid->ID] = array_values(get_object_vars($kids[$kid->ID]));
+ }
return $babes;
} else {
return $kids;
* 'more'. There can be text or space(s) after the word 'more', but won't be
* referenced.
*
- * The returned array has 'main' and 'extended' keys. Main has the text before
- * the <code><!--more--></code>. The 'extended' key has the content after the
- * <code><!--more--></code> comment.
+ * The returned array has 'main', 'extended', and 'more_text' keys. Main has the text before
+ * the `<!--more-->`. The 'extended' key has the content after the
+ * `<!--more-->` comment. The 'more_text' key has the custom "Read More" text.
*
* @since 1.0.0
*
* @param string $post Post content.
- * @return array Post before ('main') and after ('extended').
+ * @return array Post before ('main'), after ('extended'), and custom read more ('more_text').
*/
-function get_extended($post) {
- //Match the new style more links
+function get_extended( $post ) {
+ //Match the new style more links.
if ( preg_match('/<!--more(.*?)?-->/', $post, $matches) ) {
list($main, $extended) = explode($matches[0], $post, 2);
+ $more_text = $matches[1];
} else {
$main = $post;
$extended = '';
+ $more_text = '';
}
- // Strip leading and trailing whitespace
+ // leading and trailing whitespace.
$main = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $main);
$extended = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $extended);
+ $more_text = preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $more_text);
- return array('main' => $main, 'extended' => $extended);
+ return array( 'main' => $main, 'extended' => $extended, 'more_text' => $more_text );
}
/**
* Retrieves post data given a post ID or post object.
*
- * See {@link sanitize_post()} for optional $filter values. Also, the parameter
- * $post, must be given as a variable, since it is passed by reference.
+ * See sanitize_post() for optional $filter values. Also, the parameter
+ * `$post`, must be given as a variable, since it is passed by reference.
*
* @since 1.5.1
- * @uses $wpdb
- * @link http://codex.wordpress.org/Function_Reference/get_post
*
- * @param int|object $post Post ID or post object.
- * @param string $output Optional, default is Object. Either OBJECT, ARRAY_A, or ARRAY_N.
- * @param string $filter Optional, default is raw.
- * @return mixed Post data
+ * @global WP_Post $post
+ *
+ * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
+ * @param string $output Optional, default is Object. Accepts OBJECT, ARRAY_A, or ARRAY_N.
+ * Default OBJECT.
+ * @param string $filter Optional. Type of filter to apply. Accepts 'raw', 'edit', 'db',
+ * or 'display'. Default 'raw'.
+ * @return WP_Post|array|null Type corresponding to $output on success or null on failure.
+ * When $output is OBJECT, a `WP_Post` instance is returned.
*/
-function &get_post(&$post, $output = OBJECT, $filter = 'raw') {
- global $wpdb;
- $null = null;
+function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) {
+ if ( empty( $post ) && isset( $GLOBALS['post'] ) )
+ $post = $GLOBALS['post'];
- if ( empty($post) ) {
- if ( isset($GLOBALS['post']) )
- $_post = & $GLOBALS['post'];
- else
- return $null;
- } elseif ( is_object($post) && empty($post->filter) ) {
- _get_post_ancestors($post);
- $_post = sanitize_post($post, 'raw');
- wp_cache_add($post->ID, $_post, 'posts');
- } elseif ( is_object($post) && 'raw' == $post->filter ) {
+ if ( $post instanceof WP_Post ) {
$_post = $post;
- } else {
- if ( is_object($post) )
- $post_id = $post->ID;
- else
- $post_id = $post;
-
- $post_id = (int) $post_id;
- if ( ! $_post = wp_cache_get($post_id, 'posts') ) {
- $_post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d LIMIT 1", $post_id));
- if ( ! $_post )
- return $null;
- _get_post_ancestors($_post);
- $_post = sanitize_post($_post, 'raw');
- wp_cache_add($_post->ID, $_post, 'posts');
+ } elseif ( is_object( $post ) ) {
+ if ( empty( $post->filter ) ) {
+ $_post = sanitize_post( $post, 'raw' );
+ $_post = new WP_Post( $_post );
+ } elseif ( 'raw' == $post->filter ) {
+ $_post = new WP_Post( $post );
+ } else {
+ $_post = WP_Post::get_instance( $post->ID );
}
+ } else {
+ $_post = WP_Post::get_instance( $post );
}
- if ($filter != 'raw')
- $_post = sanitize_post($_post, $filter);
+ if ( ! $_post )
+ return null;
- if ( $output == OBJECT ) {
- return $_post;
- } elseif ( $output == ARRAY_A ) {
- $__post = get_object_vars($_post);
- return $__post;
- } elseif ( $output == ARRAY_N ) {
- $__post = array_values(get_object_vars($_post));
- return $__post;
- } else {
- return $_post;
- }
+ $_post = $_post->filter( $filter );
+
+ if ( $output == ARRAY_A )
+ return $_post->to_array();
+ elseif ( $output == ARRAY_N )
+ return array_values( $_post->to_array() );
+
+ return $_post;
}
/**
*
* @since 2.5.0
*
- * @param int|object $post Post ID or post object
+ * @param int|WP_Post $post Post ID or post object.
* @return array Ancestor IDs or empty array if none are found.
*/
-function get_post_ancestors($post) {
- $post = get_post($post);
+function get_post_ancestors( $post ) {
+ $post = get_post( $post );
- if ( !empty($post->ancestors) )
- return $post->ancestors;
+ if ( ! $post || empty( $post->post_parent ) || $post->post_parent == $post->ID )
+ return array();
- return array();
+ $ancestors = array();
+
+ $id = $ancestors[] = $post->post_parent;
+
+ while ( $ancestor = get_post( $id ) ) {
+ // Loop detection: If the ancestor has been seen before, break.
+ if ( empty( $ancestor->post_parent ) || ( $ancestor->post_parent == $post->ID ) || in_array( $ancestor->post_parent, $ancestors ) )
+ break;
+
+ $id = $ancestors[] = $ancestor->post_parent;
+ }
+
+ return $ancestors;
}
/**
* supported values are found within those functions.
*
* @since 2.3.0
- * @uses sanitize_post_field() See for possible $context values.
+ * @since 4.5.0 The `$post` parameter was made optional.
+ *
+ * @see sanitize_post_field()
*
- * @param string $field Post field name
- * @param id $post Post ID
- * @param string $context Optional. How to filter the field. Default is display.
- * @return WP_Error|string Value in post field or WP_Error on failure
+ * @param string $field Post field name.
+ * @param int|WP_Post $post Optional. Post ID or post object. Defaults to current post.
+ * @param string $context Optional. How to filter the field. Accepts 'raw', 'edit', 'db',
+ * or 'display'. Default 'display'.
+ * @return string The value of the post field on success, empty string on failure.
*/
-function get_post_field( $field, $post, $context = 'display' ) {
- $post = (int) $post;
+function get_post_field( $field, $post = null, $context = 'display' ) {
$post = get_post( $post );
- if ( is_wp_error($post) )
- return $post;
-
- if ( !is_object($post) )
+ if ( !$post )
return '';
if ( !isset($post->$field) )
*
* @since 2.0.0
*
- * @param int $ID Optional. Post ID.
- * @return bool|string False on failure or returns the mime type
+ * @param int|WP_Post $ID Optional. Post ID or post object. Default empty.
+ * @return string|false The mime type on success, false on failure.
*/
-function get_post_mime_type($ID = '') {
- $post = & get_post($ID);
+function get_post_mime_type( $ID = '' ) {
+ $post = get_post($ID);
if ( is_object($post) )
return $post->post_mime_type;
return false;
}
-/**
- * Retrieve the format slug for a post
- *
- * @since 3.1.0
- *
- * @param int|object $post A post
- *
- * @return mixed The format if successful. False if no format is set. WP_Error if errors.
- */
-function get_post_format( $post = null ) {
- $post = get_post($post);
-
- if ( ! post_type_supports( $post->post_type, 'post-formats' ) )
- return false;
-
- $_format = get_the_terms( $post->ID, 'post_format' );
-
- if ( empty( $_format ) )
- return false;
-
- $format = array_shift( $_format );
-
- return ( str_replace('post-format-', '', $format->slug ) );
-}
-
-/**
- * Check if a post has a particular format
- *
- * @since 3.1.0
- * @uses has_term()
- *
- * @param string $format The format to check for
- * @param object|id $post The post to check. If not supplied, defaults to the current post if used in the loop.
- * @return bool True if the post has the format, false otherwise.
- */
-function has_post_format( $format, $post = null ) {
- return has_term('post-format-' . sanitize_key($format), 'post_format', $post);
-}
-
-/**
- * Assign a format to a post
- *
- * @since 3.1.0
- *
- * @param int|object $post The post for which to assign a format
- * @param string $format A format to assign. Use an empty string or array to remove all formats from the post.
- * @return mixed WP_Error on error. Array of affected term IDs on success.
- */
-function set_post_format( $post, $format ) {
- $post = get_post($post);
-
- if ( empty($post) )
- return new WP_Error('invalid_post', __('Invalid post'));
-
- if ( !empty($format) ) {
- $format = sanitize_key($format);
- if ( 'standard' == $format || !in_array( $format, array_keys( get_post_format_slugs() ) ) )
- $format = '';
- else
- $format = 'post-format-' . $format;
- }
-
- return wp_set_post_terms($post->ID, $format, 'post_format');
-}
-
/**
* Retrieve the post status based on the Post ID.
*
*
* @since 2.0.0
*
- * @param int $ID Post ID
- * @return string|bool Post status or false on failure.
+ * @param int|WP_Post $ID Optional. Post ID or post object. Default empty.
+ * @return string|false Post status on success, false on failure.
*/
-function get_post_status($ID = '') {
+function get_post_status( $ID = '' ) {
$post = get_post($ID);
if ( !is_object($post) )
if ( 'private' == $post->post_status )
return 'private';
- // Unattached attachments are assumed to be published
+ // Unattached attachments are assumed to be published.
if ( ( 'inherit' == $post->post_status ) && ( 0 == $post->post_parent) )
return 'publish';
- // Inherit status from the parent
- if ( $post->post_parent && ( $post->ID != $post->post_parent ) )
- return get_post_status($post->post_parent);
+ // Inherit status from the parent.
+ if ( $post->post_parent && ( $post->ID != $post->post_parent ) ) {
+ $parent_post_status = get_post_status( $post->post_parent );
+ if ( 'trash' == $parent_post_status ) {
+ return get_post_meta( $post->post_parent, '_wp_trash_meta_status', true );
+ } else {
+ return $parent_post_status;
+ }
+ }
+
}
- return $post->post_status;
+ /**
+ * Filters the post status.
+ *
+ * @since 4.4.0
+ *
+ * @param string $post_status The post status.
+ * @param WP_Post $post The post object.
+ */
+ return apply_filters( 'get_post_status', $post->post_status, $post );
}
/**
*
* @return array List of post statuses.
*/
-function get_post_statuses( ) {
+function get_post_statuses() {
$status = array(
- 'draft' => __('Draft'),
- 'pending' => __('Pending Review'),
- 'private' => __('Private'),
- 'publish' => __('Published')
+ 'draft' => __( 'Draft' ),
+ 'pending' => __( 'Pending Review' ),
+ 'private' => __( 'Private' ),
+ 'publish' => __( 'Published' )
);
return $status;
*
* @return array List of page statuses.
*/
-function get_page_statuses( ) {
+function get_page_statuses() {
$status = array(
- 'draft' => __('Draft'),
- 'private' => __('Private'),
- 'publish' => __('Published')
+ 'draft' => __( 'Draft' ),
+ 'private' => __( 'Private' ),
+ 'publish' => __( 'Published' )
);
return $status;
}
/**
- * Register a post type. Do not use before init.
+ * Register a post status. Do not use before init.
*
* A simple function for creating or modifying a post status based on the
* parameters given. The function will accept an array (second optional
* parameter), along with a string for the post status name.
*
- *
- * Optional $args contents:
- *
- * label - A descriptive name for the post status marked for translation. Defaults to $post_status.
- * public - Whether posts of this status should be shown in the front end of the site. Defaults to true.
- * exclude_from_search - Whether to exclude posts with this post status from search results. Defaults to false.
- * show_in_admin_all_list - Whether to include posts in the edit listing for their post type
- * show_in_admin_status_list - Show in the list of statuses with post counts at the top of the edit
- * listings, e.g. All (12) | Published (9) | My Custom Status (2) ...
- *
* Arguments prefixed with an _underscore shouldn't be used by plugins and themes.
*
- * @package WordPress
- * @subpackage Post
* @since 3.0.0
- * @uses $wp_post_statuses Inserts new post status object into the list
+ * @global array $wp_post_statuses Inserts new post status object into the list
*
* @param string $post_status Name of the post status.
- * @param array|string $args See above description.
- */
-function register_post_status($post_status, $args = array()) {
+ * @param array|string $args {
+ * Optional. Array or string of post status arguments.
+ *
+ * @type bool|string $label A descriptive name for the post status marked
+ * for translation. Defaults to value of $post_status.
+ * @type bool|array $label_count Descriptive text to use for nooped plurals.
+ * Default array of $label, twice
+ * @type bool $exclude_from_search Whether to exclude posts with this post status
+ * from search results. Default is value of $internal.
+ * @type bool $_builtin Whether the status is built-in. Core-use only.
+ * Default false.
+ * @type bool $public Whether posts of this status should be shown
+ * in the front end of the site. Default false.
+ * @type bool $internal Whether the status is for internal use only.
+ * Default false.
+ * @type bool $protected Whether posts with this status should be protected.
+ * Default false.
+ * @type bool $private Whether posts with this status should be private.
+ * Default false.
+ * @type bool $publicly_queryable Whether posts with this status should be publicly-
+ * queryable. Default is value of $public.
+ * @type bool $show_in_admin_all_list Whether to include posts in the edit listing for
+ * their post type. Default is value of $internal.
+ * @type bool $show_in_admin_status_list Show in the list of statuses with post counts at
+ * the top of the edit listings,
+ * e.g. All (12) | Published (9) | My Custom Status (2)
+ * Default is value of $internal.
+ * }
+ * @return object
+ */
+function register_post_status( $post_status, $args = array() ) {
global $wp_post_statuses;
if (!is_array($wp_post_statuses))
$wp_post_statuses = array();
// Args prefixed with an underscore are reserved for internal use.
- $defaults = array('label' => false, 'label_count' => false, 'exclude_from_search' => null, '_builtin' => false, '_edit_link' => 'post.php?post=%d', 'capability_type' => 'post', 'hierarchical' => false, 'public' => null, 'internal' => null, 'protected' => null, 'private' => null, 'show_in_admin_all' => null, 'publicly_queryable' => null, 'show_in_admin_status_list' => null, 'show_in_admin_all_list' => null, 'single_view_cap' => null);
+ $defaults = array(
+ 'label' => false,
+ 'label_count' => false,
+ 'exclude_from_search' => null,
+ '_builtin' => false,
+ 'public' => null,
+ 'internal' => null,
+ 'protected' => null,
+ 'private' => null,
+ 'publicly_queryable' => null,
+ 'show_in_admin_status_list' => null,
+ 'show_in_admin_all_list' => null,
+ );
$args = wp_parse_args($args, $defaults);
$args = (object) $args;
$post_status = sanitize_key($post_status);
$args->name = $post_status;
+ // Set various defaults.
if ( null === $args->public && null === $args->internal && null === $args->protected && null === $args->private )
$args->internal = true;
$args->show_in_admin_all_list = !$args->internal;
if ( null === $args->show_in_admin_status_list )
- $args->show_in_admin_status_list = !$args->internal;
-
- if ( null === $args->single_view_cap )
- $args->single_view_cap = $args->public ? '' : 'edit';
+ $args->show_in_admin_status_list = !$args->internal;
if ( false === $args->label )
$args->label = $post_status;
}
/**
- * Retrieve a post status object by name
+ * Retrieve a post status object by name.
*
- * @package WordPress
- * @subpackage Post
* @since 3.0.0
- * @uses $wp_post_statuses
- * @see register_post_status
- * @see get_post_statuses
*
- * @param string $post_status The name of a registered post status
- * @return object A post status object
+ * @global array $wp_post_statuses List of post statuses.
+ *
+ * @see register_post_status()
+ *
+ * @param string $post_status The name of a registered post status.
+ * @return object|null A post status object.
*/
function get_post_status_object( $post_status ) {
global $wp_post_statuses;
}
/**
- * Get a list of all registered post status objects.
+ * Get a list of post statuses.
*
- * @package WordPress
- * @subpackage Post
* @since 3.0.0
- * @uses $wp_post_statuses
- * @see register_post_status
- * @see get_post_status_object
- *
- * @param array|string $args An array of key => value arguments to match against the post status objects.
- * @param string $output The type of output to return, either post status 'names' or 'objects'. 'names' is the default.
- * @param string $operator The logical operation to perform. 'or' means only one element
- * from the array needs to match; 'and' means all elements must match. The default is 'and'.
- * @return array A list of post type names or objects
+ *
+ * @global array $wp_post_statuses List of post statuses.
+ *
+ * @see register_post_status()
+ *
+ * @param array|string $args Optional. Array or string of post status arguments to compare against
+ * properties of the global `$wp_post_statuses objects`. Default empty array.
+ * @param string $output Optional. The type of output to return, either 'names' or 'objects'. Default 'names'.
+ * @param string $operator Optional. The logical operation to perform. 'or' means only one element
+ * from the array needs to match; 'and' means all elements must match.
+ * Default 'and'.
+ * @return array A list of post status names or objects.
*/
function get_post_stati( $args = array(), $output = 'names', $operator = 'and' ) {
global $wp_post_statuses;
* A false return value might also mean that the post type does not exist.
*
* @since 3.0.0
- * @see get_post_type_object
+ *
+ * @see get_post_type_object()
*
* @param string $post_type Post type name
* @return bool Whether post type is hierarchical.
}
/**
- * Checks if a post type is registered.
+ * Check if a post type is registered.
*
* @since 3.0.0
- * @uses get_post_type_object()
*
- * @param string $post_type Post type name
+ * @see get_post_type_object()
+ *
+ * @param string $post_type Post type name.
* @return bool Whether post type is registered.
*/
function post_type_exists( $post_type ) {
}
/**
- * Retrieve the post type of the current post or of a given post.
+ * Retrieves the post type of the current post or of a given post.
*
* @since 2.1.0
*
- * @uses $post The Loop current post global
- *
- * @param mixed $the_post Optional. Post object or post ID.
- * @return bool|string post type or false on failure.
+ * @param int|WP_Post|null $post Optional. Post ID or post object. Default is global $post.
+ * @return string|false Post type on success, false on failure.
*/
-function get_post_type( $the_post = false ) {
- global $post;
-
- if ( false === $the_post )
- $the_post = $post;
- elseif ( is_numeric($the_post) )
- $the_post = get_post($the_post);
-
- if ( is_object($the_post) )
- return $the_post->post_type;
+function get_post_type( $post = null ) {
+ if ( $post = get_post( $post ) )
+ return $post->post_type;
return false;
}
/**
- * Retrieve a post type object by name
+ * Retrieves a post type object by name.
*
- * @package WordPress
- * @subpackage Post
* @since 3.0.0
- * @uses $wp_post_types
- * @see register_post_type
- * @see get_post_types
+ * @since 4.6.0 Object returned is now an instance of WP_Post_Type.
+ *
+ * @global array $wp_post_types List of post types.
*
- * @param string $post_type The name of a registered post type
- * @return object A post type object
+ * @see register_post_type()
+ *
+ * @param string $post_type The name of a registered post type.
+ * @return WP_Post_Type|null WP_Post_Type object if it exists, null otherwise.
*/
function get_post_type_object( $post_type ) {
global $wp_post_types;
- if ( empty($wp_post_types[$post_type]) )
+ if ( ! is_scalar( $post_type ) || empty( $wp_post_types[ $post_type ] ) ) {
return null;
+ }
- return $wp_post_types[$post_type];
+ return $wp_post_types[ $post_type ];
}
/**
* Get a list of all registered post type objects.
*
- * @package WordPress
- * @subpackage Post
* @since 2.9.0
- * @uses $wp_post_types
- * @see register_post_type
- *
- * @param array|string $args An array of key => value arguments to match against the post type objects.
- * @param string $output The type of output to return, either post type 'names' or 'objects'. 'names' is the default.
- * @param string $operator The logical operation to perform. 'or' means only one element
- * from the array needs to match; 'and' means all elements must match. The default is 'and'.
- * @return array A list of post type names or objects
+ *
+ * @global array $wp_post_types List of post types.
+ *
+ * @see register_post_type() for accepted arguments.
+ *
+ * @param array|string $args Optional. An array of key => value arguments to match against
+ * the post type objects. Default empty array.
+ * @param string $output Optional. The type of output to return. Accepts post type 'names'
+ * or 'objects'. Default 'names'.
+ * @param string $operator Optional. The logical operation to perform. 'or' means only one
+ * element from the array needs to match; 'and' means all elements
+ * must match; 'not' means no elements may match. Default 'and'.
+ * @return array A list of post type names or objects.
*/
function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) {
global $wp_post_types;
}
/**
- * Register a post type. Do not use before init.
+ * Registers a post type.
*
- * A function for creating or modifying a post type based on the
- * parameters given. The function will accept an array (second optional
- * parameter), along with a string for the post type name.
- *
- * Optional $args contents:
- *
- * - label - Name of the post type shown in the menu. Usually plural. If not set, labels['name'] will be used.
- * - description - A short descriptive summary of what the post type is. Defaults to blank.
- * - public - Whether posts of this type should be shown in the admin UI. Defaults to false.
- * - exclude_from_search - Whether to exclude posts with this post type from search results.
- * Defaults to true if the type is not public, false if the type is public.
- * - publicly_queryable - Whether post_type queries can be performed from the front page.
- * Defaults to whatever public is set as.
- * - show_ui - Whether to generate a default UI for managing this post type. Defaults to true
- * if the type is public, false if the type is not public.
- * - show_in_menu - Where to show the post type in the admin menu. True for a top level menu,
- * false for no menu, or can be a top level page like 'tools.php' or 'edit.php?post_type=page'.
- * show_ui must be true.
- * - menu_position - The position in the menu order the post type should appear. Defaults to the bottom.
- * - menu_icon - The url to the icon to be used for this menu. Defaults to use the posts icon.
- * - capability_type - The string to use to build the read, edit, and delete capabilities. Defaults to 'post'.
- * May be passed as an array to allow for alternative plurals when using this argument as a base to construct the
- * capabilities, e.g. array('story', 'stories').
- * - capabilities - Array of capabilities for this post type. By default the capability_type is used
- * as a base to construct capabilities. You can see accepted values in {@link get_post_type_capabilities()}.
- * - map_meta_cap - Whether to use the internal default meta capability handling. Defaults to false.
- * - hierarchical - Whether the post type is hierarchical. Defaults to false.
- * - supports - An alias for calling add_post_type_support() directly. See {@link add_post_type_support()}
- * for documentation. Defaults to none.
- * - register_meta_box_cb - Provide a callback function that will be called when setting up the
- * meta boxes for the edit form. Do remove_meta_box() and add_meta_box() calls in the callback.
- * - taxonomies - An array of taxonomy identifiers that will be registered for the post type.
- * Default is no taxonomies. Taxonomies can be registered later with register_taxonomy() or
- * register_taxonomy_for_object_type().
- * - labels - An array of labels for this post type. By default post labels are used for non-hierarchical
- * types and page labels for hierarchical ones. You can see accepted values in {@link get_post_type_labels()}.
- * - permalink_epmask - The default rewrite endpoint bitmasks.
- * - has_archive - True to enable post type archives. Will generate the proper rewrite rules if rewrite is enabled.
- * - rewrite - false to prevent rewrite. Defaults to true. Use array('slug'=>$slug) to customize permastruct;
- * default will use $post_type as slug. Other options include 'with_front', 'feeds', and 'pages'.
- * - query_var - false to prevent queries, or string to value of the query var to use for this post type
- * - can_export - true allows this post type to be exported.
- * - show_in_nav_menus - true makes this post type available for selection in navigation menus.
- * - _builtin - true if this post type is a native or "built-in" post_type. THIS IS FOR INTERNAL USE ONLY!
- * - _edit_link - URL segement to use for edit link of this post type. THIS IS FOR INTERNAL USE ONLY!
+ * Note: Post type registrations should not be hooked before the
+ * {@see 'init'} action. Also, any taxonomy connections should be
+ * registered via the `$taxonomies` argument to ensure consistency
+ * when hooks such as {@see 'parse_query'} or {@see 'pre_get_posts'}
+ * are used.
*
- * @since 2.9.0
- * @uses $wp_post_types Inserts new post type object into the list
+ * Post types can support any number of built-in core features such
+ * as meta boxes, custom fields, post thumbnails, post statuses,
+ * comments, and more. See the `$supports` argument for a complete
+ * list of supported features.
*
- * @param string $post_type Name of the post type.
- * @param array|string $args See above description.
- * @return object|WP_Error the registered post type object, or an error object
- */
-function register_post_type($post_type, $args = array()) {
- global $wp_post_types, $wp_rewrite, $wp;
+ * @since 2.9.0
+ * @since 3.0.0 The `show_ui` argument is now enforced on the new post screen.
+ * @since 4.4.0 The `show_ui` argument is now enforced on the post type listing
+ * screen and post editing screen.
+ * @since 4.6.0 Post type object returned is now an instance of WP_Post_Type.
+ *
+ * @global array $wp_post_types List of post types.
+ *
+ * @param string $post_type Post type key. Must not exceed 20 characters and may
+ * only contain lowercase alphanumeric characters, dashes,
+ * and underscores. See sanitize_key().
+ * @param array|string $args {
+ * Array or string of arguments for registering a post type.
+ *
+ * @type string $label Name of the post type shown in the menu. Usually plural.
+ * Default is value of $labels['name'].
+ * @type array $labels An array of labels for this post type. If not set, post
+ * labels are inherited for non-hierarchical types and page
+ * labels for hierarchical ones. See get_post_type_labels() for a full
+ * list of supported labels.
+ * @type string $description A short descriptive summary of what the post type is.
+ * Default empty.
+ * @type bool $public Whether a post type is intended for use publicly either via
+ * the admin interface or by front-end users. While the default
+ * settings of $exclude_from_search, $publicly_queryable, $show_ui,
+ * and $show_in_nav_menus are inherited from public, each does not
+ * rely on this relationship and controls a very specific intention.
+ * Default false.
+ * @type bool $hierarchical Whether the post type is hierarchical (e.g. page). Default false.
+ * @type bool $exclude_from_search Whether to exclude posts with this post type from front end search
+ * results. Default is the opposite value of $public.
+ * @type bool $publicly_queryable Whether queries can be performed on the front end for the post type
+ * as part of parse_request(). Endpoints would include:
+ * * ?post_type={post_type_key}
+ * * ?{post_type_key}={single_post_slug}
+ * * ?{post_type_query_var}={single_post_slug}
+ * If not set, the default is inherited from $public.
+ * @type bool $show_ui Whether to generate and allow a UI for managing this post type in the
+ * admin. Default is value of $public.
+ * @type bool $show_in_menu Where to show the post type in the admin menu. To work, $show_ui
+ * must be true. If true, the post type is shown in its own top level
+ * menu. If false, no menu is shown. If a string of an existing top
+ * level menu (eg. 'tools.php' or 'edit.php?post_type=page'), the post
+ * type will be placed as a sub-menu of that.
+ * Default is value of $show_ui.
+ * @type bool $show_in_nav_menus Makes this post type available for selection in navigation menus.
+ * Default is value $public.
+ * @type bool $show_in_admin_bar Makes this post type available via the admin bar. Default is value
+ * of $show_in_menu.
+ * @type int $menu_position The position in the menu order the post type should appear. To work,
+ * $show_in_menu must be true. Default null (at the bottom).
+ * @type string $menu_icon The url to the icon to be used for this menu. Pass a base64-encoded
+ * SVG using a data URI, which will be colored to match the color scheme
+ * -- this should begin with 'data:image/svg+xml;base64,'. Pass the name
+ * of a Dashicons helper class to use a font icon, e.g.
+ * 'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty
+ * so an icon can be added via CSS. Defaults to use the posts icon.
+ * @type string $capability_type The string to use to build the read, edit, and delete capabilities.
+ * May be passed as an array to allow for alternative plurals when using
+ * this argument as a base to construct the capabilities, e.g.
+ * array('story', 'stories'). Default 'post'.
+ * @type array $capabilities Array of capabilities for this post type. $capability_type is used
+ * as a base to construct capabilities by default.
+ * See get_post_type_capabilities().
+ * @type bool $map_meta_cap Whether to use the internal default meta capability handling.
+ * Default false.
+ * @type array $supports Core feature(s) the post type supports. Serves as an alias for calling
+ * add_post_type_support() directly. Core features include 'title',
+ * 'editor', 'comments', 'revisions', 'trackbacks', 'author', 'excerpt',
+ * 'page-attributes', 'thumbnail', 'custom-fields', and 'post-formats'.
+ * Additionally, the 'revisions' feature dictates whether the post type
+ * will store revisions, and the 'comments' feature dictates whether the
+ * comments count will show on the edit screen. Defaults is an array
+ * containing 'title' and 'editor'.
+ * @type callable $register_meta_box_cb Provide a callback function that sets up the meta boxes for the
+ * edit form. Do remove_meta_box() and add_meta_box() calls in the
+ * callback. Default null.
+ * @type array $taxonomies An array of taxonomy identifiers that will be registered for the
+ * post type. Taxonomies can be registered later with register_taxonomy()
+ * or register_taxonomy_for_object_type().
+ * Default empty array.
+ * @type bool|string $has_archive Whether there should be post type archives, or if a string, the
+ * archive slug to use. Will generate the proper rewrite rules if
+ * $rewrite is enabled. Default false.
+ * @type bool|array $rewrite {
+ * Triggers the handling of rewrites for this post type. To prevent rewrite, set to false.
+ * Defaults to true, using $post_type as slug. To specify rewrite rules, an array can be
+ * passed with any of these keys:
+ *
+ * @type string $slug Customize the permastruct slug. Defaults to $post_type key.
+ * @type bool $with_front Whether the permastruct should be prepended with WP_Rewrite::$front.
+ * Default true.
+ * @type bool $feeds Whether the feed permastruct should be built for this post type.
+ * Default is value of $has_archive.
+ * @type bool $pages Whether the permastruct should provide for pagination. Default true.
+ * @type const $ep_mask Endpoint mask to assign. If not specified and permalink_epmask is set,
+ * inherits from $permalink_epmask. If not specified and permalink_epmask
+ * is not set, defaults to EP_PERMALINK.
+ * }
+ * @type string|bool $query_var Sets the query_var key for this post type. Defaults to $post_type
+ * key. If false, a post type cannot be loaded at
+ * ?{query_var}={post_slug}. If specified as a string, the query
+ * ?{query_var_string}={post_slug} will be valid.
+ * @type bool $can_export Whether to allow this post type to be exported. Default true.
+ * @type bool $delete_with_user Whether to delete posts of this type when deleting a user. If true,
+ * posts of this type belonging to the user will be moved to trash
+ * when then user is deleted. If false, posts of this type belonging
+ * to the user will *not* be trashed or deleted. If not set (the default),
+ * posts are trashed if post_type_supports('author'). Otherwise posts
+ * are not trashed or deleted. Default null.
+ * @type bool $_builtin FOR INTERNAL USE ONLY! True if this post type is a native or
+ * "built-in" post_type. Default false.
+ * @type string $_edit_link FOR INTERNAL USE ONLY! URL segment to use for edit link of
+ * this post type. Default 'post.php?post=%d'.
+ * }
+ * @return WP_Post_Type|WP_Error The registered post type object, or an error object.
+ */
+function register_post_type( $post_type, $args = array() ) {
+ global $wp_post_types;
- if ( !is_array($wp_post_types) )
+ if ( ! is_array( $wp_post_types ) ) {
$wp_post_types = array();
+ }
- // Args prefixed with an underscore are reserved for internal use.
- $defaults = array(
- 'labels' => array(), 'description' => '', 'publicly_queryable' => null, 'exclude_from_search' => null,
- 'capability_type' => 'post', 'capabilities' => array(), 'map_meta_cap' => null,
- '_builtin' => false, '_edit_link' => 'post.php?post=%d', 'hierarchical' => false,
- 'public' => false, 'rewrite' => true, 'has_archive' => false, 'query_var' => true,
- 'supports' => array(), 'register_meta_box_cb' => null,
- 'taxonomies' => array(), 'show_ui' => null, 'menu_position' => null, 'menu_icon' => null,
- 'permalink_epmask' => EP_PERMALINK, 'can_export' => true,
- 'show_in_nav_menus' => null, 'show_in_menu' => null, 'show_in_admin_bar' => null,
- );
- $args = wp_parse_args($args, $defaults);
- $args = (object) $args;
-
- $post_type = sanitize_key($post_type);
- $args->name = $post_type;
-
- if ( strlen( $post_type ) > 20 )
- return new WP_Error( 'post_type_too_long', __( 'Post types cannot exceed 20 characters in length' ) );
-
- // If not set, default to the setting for public.
- if ( null === $args->publicly_queryable )
- $args->publicly_queryable = $args->public;
-
- // If not set, default to the setting for public.
- if ( null === $args->show_ui )
- $args->show_ui = $args->public;
-
- // If not set, default to the setting for show_ui.
- if ( null === $args->show_in_menu || ! $args->show_ui )
- $args->show_in_menu = $args->show_ui;
-
- // If not set, default to the whether the full UI is shown.
- if ( null === $args->show_in_admin_bar )
- $args->show_in_admin_bar = true === $args->show_in_menu;
-
- // Whether to show this type in nav-menus.php. Defaults to the setting for public.
- if ( null === $args->show_in_nav_menus )
- $args->show_in_nav_menus = $args->public;
-
- // If not set, default to true if not public, false if public.
- if ( null === $args->exclude_from_search )
- $args->exclude_from_search = !$args->public;
+ // Sanitize post type name
+ $post_type = sanitize_key( $post_type );
- // Back compat with quirky handling in version 3.0. #14122
- if ( empty( $args->capabilities ) && null === $args->map_meta_cap && in_array( $args->capability_type, array( 'post', 'page' ) ) )
- $args->map_meta_cap = true;
+ if ( empty( $post_type ) || strlen( $post_type ) > 20 ) {
+ _doing_it_wrong( __FUNCTION__, __( 'Post type names must be between 1 and 20 characters in length.' ), '4.2.0' );
+ return new WP_Error( 'post_type_length_invalid', __( 'Post type names must be between 1 and 20 characters in length.' ) );
+ }
- if ( null === $args->map_meta_cap )
- $args->map_meta_cap = false;
+ $post_type_object = new WP_Post_Type( $post_type, $args );
+ $post_type_object->add_supports();
+ $post_type_object->add_rewrite_rules();
+ $post_type_object->register_meta_boxes();
- $args->cap = get_post_type_capabilities( $args );
- unset($args->capabilities);
+ $wp_post_types[ $post_type ] = $post_type_object;
- if ( is_array( $args->capability_type ) )
- $args->capability_type = $args->capability_type[0];
+ $post_type_object->add_hooks();
+ $post_type_object->register_taxonomies();
- if ( ! empty($args->supports) ) {
- add_post_type_support($post_type, $args->supports);
- unset($args->supports);
- } else {
- // Add default features
- add_post_type_support($post_type, array('title', 'editor'));
- }
-
- if ( false !== $args->query_var && !empty($wp) ) {
- if ( true === $args->query_var )
- $args->query_var = $post_type;
- $args->query_var = sanitize_title_with_dashes($args->query_var);
- $wp->add_query_var($args->query_var);
- }
-
- if ( false !== $args->rewrite && ( is_admin() || '' != get_option('permalink_structure') ) ) {
- if ( ! is_array( $args->rewrite ) )
- $args->rewrite = array();
- if ( empty( $args->rewrite['slug'] ) )
- $args->rewrite['slug'] = $post_type;
- if ( ! isset( $args->rewrite['with_front'] ) )
- $args->rewrite['with_front'] = true;
- if ( ! isset( $args->rewrite['pages'] ) )
- $args->rewrite['pages'] = true;
- if ( ! isset( $args->rewrite['feeds'] ) || ! $args->has_archive )
- $args->rewrite['feeds'] = (bool) $args->has_archive;
-
- if ( $args->hierarchical )
- $wp_rewrite->add_rewrite_tag("%$post_type%", '(.+?)', $args->query_var ? "{$args->query_var}=" : "post_type=$post_type&name=");
- else
- $wp_rewrite->add_rewrite_tag("%$post_type%", '([^/]+)', $args->query_var ? "{$args->query_var}=" : "post_type=$post_type&name=");
+ /**
+ * Fires after a post type is registered.
+ *
+ * @since 3.3.0
+ * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+ *
+ * @param string $post_type Post type.
+ * @param WP_Post_Type $post_type_object Arguments used to register the post type.
+ */
+ do_action( 'registered_post_type', $post_type, $post_type_object );
- if ( $args->has_archive ) {
- $archive_slug = $args->has_archive === true ? $args->rewrite['slug'] : $args->has_archive;
- if ( $args->rewrite['with_front'] )
- $archive_slug = substr( $wp_rewrite->front, 1 ) . $archive_slug;
- else
- $archive_slug = $wp_rewrite->root . $archive_slug;
+ return $post_type_object;
+}
- $wp_rewrite->add_rule( "{$archive_slug}/?$", "index.php?post_type=$post_type", 'top' );
- if ( $args->rewrite['feeds'] && $wp_rewrite->feeds ) {
- $feeds = '(' . trim( implode( '|', $wp_rewrite->feeds ) ) . ')';
- $wp_rewrite->add_rule( "{$archive_slug}/feed/$feeds/?$", "index.php?post_type=$post_type" . '&feed=$matches[1]', 'top' );
- $wp_rewrite->add_rule( "{$archive_slug}/$feeds/?$", "index.php?post_type=$post_type" . '&feed=$matches[1]', 'top' );
- }
- if ( $args->rewrite['pages'] )
- $wp_rewrite->add_rule( "{$archive_slug}/{$wp_rewrite->pagination_base}/([0-9]{1,})/?$", "index.php?post_type=$post_type" . '&paged=$matches[1]', 'top' );
- }
+/**
+ * Unregisters a post type.
+ *
+ * Can not be used to unregister built-in post types.
+ *
+ * @since 4.5.0
+ *
+ * @global array $wp_post_types List of post types.
+ *
+ * @param string $post_type Post type to unregister.
+ * @return bool|WP_Error True on success, WP_Error on failure or if the post type doesn't exist.
+ */
+function unregister_post_type( $post_type ) {
+ global $wp_post_types;
- $wp_rewrite->add_permastruct($post_type, "{$args->rewrite['slug']}/%$post_type%", $args->rewrite['with_front'], $args->permalink_epmask);
+ if ( ! post_type_exists( $post_type ) ) {
+ return new WP_Error( 'invalid_post_type', __( 'Invalid post type.' ) );
}
- if ( $args->register_meta_box_cb )
- add_action('add_meta_boxes_' . $post_type, $args->register_meta_box_cb, 10, 1);
-
- $args->labels = get_post_type_labels( $args );
- $args->label = $args->labels->name;
+ $post_type_object = get_post_type_object( $post_type );
- $wp_post_types[$post_type] = $args;
+ // Do not allow unregistering internal post types.
+ if ( $post_type_object->_builtin ) {
+ return new WP_Error( 'invalid_post_type', __( 'Unregistering a built-in post type is not allowed' ) );
+ }
- add_action( 'future_' . $post_type, '_future_post_hook', 5, 2 );
+ $post_type_object->remove_supports();
+ $post_type_object->remove_rewrite_rules();
+ $post_type_object->unregister_meta_boxes();
+ $post_type_object->remove_hooks();
+ $post_type_object->unregister_taxonomies();
- foreach ( $args->taxonomies as $taxonomy ) {
- register_taxonomy_for_object_type( $taxonomy, $post_type );
- }
+ unset( $wp_post_types[ $post_type ] );
- do_action( 'registered_post_type', $post_type, $args );
+ /**
+ * Fires after a post type was unregistered.
+ *
+ * @since 4.5.0
+ *
+ * @param string $post_type Post type key.
+ */
+ do_action( 'unregistered_post_type', $post_type );
- return $args;
+ return true;
}
/**
- * Builds an object with all post type capabilities out of a post type object
+ * Build an object with all post type capabilities out of a post type object
*
* Post type capabilities use the 'capability_type' argument as a base, if the
* capability is not set in the 'capabilities' argument array or if the
* behave like edit_posts.
* - publish_posts - Controls publishing objects of this post type.
* - read_private_posts - Controls whether private objects can be read.
-
+ *
* These four primitive capabilities are checked in core in various locations.
* There are also seven other primitive capabilities which are not referenced
* directly in core, except in map_meta_cap(), which takes the three aforementioned
* only assigned by default if the post type is registered with the 'map_meta_cap'
* argument set to true (default is false).
*
- * @see map_meta_cap()
* @since 3.0.0
*
- * @param object $args Post type registration arguments
- * @return object object with all the capabilities as member variables
+ * @see register_post_type()
+ * @see map_meta_cap()
+ *
+ * @param object $args Post type registration arguments.
+ * @return object object with all the capabilities as member variables.
*/
function get_post_type_capabilities( $args ) {
if ( ! is_array( $args->capability_type ) )
$capabilities = array_merge( $default_capabilities, $args->capabilities );
+ // Post creation capability simply maps to edit_posts by default:
+ if ( ! isset( $capabilities['create_posts'] ) )
+ $capabilities['create_posts'] = $capabilities['edit_posts'];
+
// Remember meta capabilities for future reference.
if ( $args->map_meta_cap )
_post_type_meta_capabilities( $capabilities );
}
/**
- * Stores or returns a list of post type meta caps for map_meta_cap().
+ * Store or return a list of post type meta caps for map_meta_cap().
*
* @since 3.1.0
* @access private
+ *
+ * @global array $post_type_meta_caps Used to store meta capabilities.
+ *
+ * @param array $capabilities Post type meta capabilities.
*/
function _post_type_meta_capabilities( $capabilities = null ) {
- static $meta_caps = array();
- if ( null === $capabilities )
- return $meta_caps;
+ global $post_type_meta_caps;
+
foreach ( $capabilities as $core => $custom ) {
- if ( in_array( $core, array( 'read_post', 'delete_post', 'edit_post' ) ) )
- $meta_caps[ $custom ] = $core;
+ if ( in_array( $core, array( 'read_post', 'delete_post', 'edit_post' ) ) ) {
+ $post_type_meta_caps[ $custom ] = $core;
+ }
}
}
/**
- * Builds an object with all post type labels out of a post type object
+ * Builds an object with all post type labels out of a post type object.
*
* Accepted keys of the label array in the post type object:
- * - name - general name for the post type, usually plural. The same and overridden by $post_type_object->label. Default is Posts/Pages
- * - singular_name - name for one object of this post type. Default is Post/Page
- * - add_new - Default is Add New for both hierarchical and non-hierarchical types. When internationalizing this string, please use a {@link http://codex.wordpress.org/I18n_for_WordPress_Developers#Disambiguation_by_context gettext context} matching your post type. Example: <code>_x('Add New', 'product');</code>
- * - add_new_item - Default is Add New Post/Add New Page
- * - edit_item - Default is Edit Post/Edit Page
- * - new_item - Default is New Post/New Page
- * - view_item - Default is View Post/View Page
- * - search_items - Default is Search Posts/Search Pages
- * - not_found - Default is No posts found/No pages found
- * - not_found_in_trash - Default is No posts found in Trash/No pages found in Trash
- * - parent_item_colon - This string isn't used on non-hierarchical types. In hierarchical ones the default is Parent Page:
- * - all_items - String for the submenu. Default is All Posts/All Pages
- * - menu_name - Default is the same as <code>name</code>
- *
- * Above, the first default value is for non-hierarchical post types (like posts) and the second one is for hierarchical post types (like pages).
+ *
+ * - `name` - General name for the post type, usually plural. The same and overridden
+ * by `$post_type_object->label`. Default is 'Posts' / 'Pages'.
+ * - `singular_name` - Name for one object of this post type. Default is 'Post' / 'Page'.
+ * - `add_new` - Default is 'Add New' for both hierarchical and non-hierarchical types.
+ * When internationalizing this string, please use a {@link https://codex.wordpress.org/I18n_for_WordPress_Developers#Disambiguation_by_context gettext context}
+ * matching your post type. Example: `_x( 'Add New', 'product', 'textdomain' );`.
+ * - `add_new_item` - Label for adding a new singular item. Default is 'Add New Post' / 'Add New Page'.
+ * - `edit_item` - Label for editing a singular item. Default is 'Edit Post' / 'Edit Page'.
+ * - `new_item` - Label for the new item page title. Default is 'New Post' / 'New Page'.
+ * - `view_item` - Label for viewing a singular item. Default is 'View Post' / 'View Page'.
+ * - `search_items` - Label for searching plural items. Default is 'Search Posts' / 'Search Pages'.
+ * - `not_found` - Label used when no items are found. Default is 'No posts found' / 'No pages found'.
+ * - `not_found_in_trash` - Label used when no items are in the trash. Default is 'No posts found in Trash' /
+ * 'No pages found in Trash'.
+ * - `parent_item_colon` - Label used to prefix parents of hierarchical items. Not used on non-hierarchical
+ * post types. Default is 'Parent Page:'.
+ * - `all_items` - Label to signify all items in a submenu link. Default is 'All Posts' / 'All Pages'.
+ * - `archives` - Label for archives in nav menus. Default is 'Post Archives' / 'Page Archives'.
+ * - `insert_into_item` - Label for the media frame button. Default is 'Insert into post' / 'Insert into page'.
+ * - `uploaded_to_this_item` - Label for the media frame filter. Default is 'Uploaded to this post' /
+ * 'Uploaded to this page'.
+ * - `featured_image` - Label for the Featured Image meta box title. Default is 'Featured Image'.
+ * - `set_featured_image` - Label for setting the featured image. Default is 'Set featured image'.
+ * - `remove_featured_image` - Label for removing the featured image. Default is 'Remove featured image'.
+ * - `use_featured_image` - Label in the media frame for using a featured image. Default is 'Use as featured image'.
+ * - `menu_name` - Label for the menu name. Default is the same as `name`.
+ * - `filter_items_list` - Label for the table views hidden heading. Default is 'Filter posts list' /
+ * 'Filter pages list'.
+ * - `items_list_navigation` - Label for the table pagination hidden heading. Default is 'Posts list navigation' /
+ * 'Pages list navigation'.
+ * - `items_list` - Label for the table hidden heading. Default is 'Posts list' / 'Pages list'.
+ *
+ * Above, the first default value is for non-hierarchical post types (like posts)
+ * and the second one is for hierarchical post types (like pages).
+ *
+ * Note: To set labels used in post type admin notices, see the {@see 'post_updated_messages'} filter.
*
* @since 3.0.0
- * @param object $post_type_object
- * @return object object with all the labels as member variables
+ * @since 4.3.0 Added the `featured_image`, `set_featured_image`, `remove_featured_image`,
+ * and `use_featured_image` labels.
+ * @since 4.4.0 Added the `insert_into_item`, `uploaded_to_this_item`, `filter_items_list`,
+ * `items_list_navigation`, and `items_list` labels.
+ * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+ *
+ * @access private
+ *
+ * @param object|WP_Post_Type $post_type_object Post type object.
+ * @return object Object with all the labels as member variables.
*/
function get_post_type_labels( $post_type_object ) {
$nohier_vs_hier_defaults = array(
'not_found' => array( __('No posts found.'), __('No pages found.') ),
'not_found_in_trash' => array( __('No posts found in Trash.'), __('No pages found in Trash.') ),
'parent_item_colon' => array( null, __('Parent Page:') ),
- 'all_items' => array( __( 'All Posts' ), __( 'All Pages' ) )
+ 'all_items' => array( __( 'All Posts' ), __( 'All Pages' ) ),
+ 'archives' => array( __( 'Post Archives' ), __( 'Page Archives' ) ),
+ 'insert_into_item' => array( __( 'Insert into post' ), __( 'Insert into page' ) ),
+ 'uploaded_to_this_item' => array( __( 'Uploaded to this post' ), __( 'Uploaded to this page' ) ),
+ 'featured_image' => array( __( 'Featured Image' ), __( 'Featured Image' ) ),
+ 'set_featured_image' => array( __( 'Set featured image' ), __( 'Set featured image' ) ),
+ 'remove_featured_image' => array( __( 'Remove featured image' ), __( 'Remove featured image' ) ),
+ 'use_featured_image' => array( __( 'Use as featured image' ), __( 'Use as featured image' ) ),
+ 'filter_items_list' => array( __( 'Filter posts list' ), __( 'Filter pages list' ) ),
+ 'items_list_navigation' => array( __( 'Posts list navigation' ), __( 'Pages list navigation' ) ),
+ 'items_list' => array( __( 'Posts list' ), __( 'Pages list' ) ),
);
$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
- return _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
+
+ $labels = _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults );
+
+ $post_type = $post_type_object->name;
+
+ $default_labels = clone $labels;
+
+ /**
+ * Filters the labels of a specific post type.
+ *
+ * The dynamic portion of the hook name, `$post_type`, refers to
+ * the post type slug.
+ *
+ * @since 3.5.0
+ *
+ * @see get_post_type_labels() for the full list of labels.
+ *
+ * @param object $labels Object with labels for the post type as member variables.
+ */
+ $labels = apply_filters( "post_type_labels_{$post_type}", $labels );
+
+ // Ensure that the filtered labels contain all required default values.
+ $labels = (object) array_merge( (array) $default_labels, (array) $labels );
+
+ return $labels;
}
/**
- * Builds an object with custom-something object (post type, taxonomy) labels out of a custom-something object
+ * Build an object with custom-something object (post type, taxonomy) labels
+ * out of a custom-something object
*
- * @access private
* @since 3.0.0
+ * @access private
+ *
+ * @param object $object A custom-something object.
+ * @param array $nohier_vs_hier_defaults Hierarchical vs non-hierarchical default labels.
+ * @return object Object containing labels for the given custom-something object.
*/
function _get_custom_object_labels( $object, $nohier_vs_hier_defaults ) {
+ $object->labels = (array) $object->labels;
if ( isset( $object->label ) && empty( $object->labels['name'] ) )
$object->labels['name'] = $object->label;
if ( !isset( $object->labels['all_items'] ) && isset( $object->labels['menu_name'] ) )
$object->labels['all_items'] = $object->labels['menu_name'];
- foreach ( $nohier_vs_hier_defaults as $key => $value )
- $defaults[$key] = $object->hierarchical ? $value[1] : $value[0];
+ if ( !isset( $object->labels['archives'] ) && isset( $object->labels['all_items'] ) ) {
+ $object->labels['archives'] = $object->labels['all_items'];
+ }
+ $defaults = array();
+ foreach ( $nohier_vs_hier_defaults as $key => $value ) {
+ $defaults[$key] = $object->hierarchical ? $value[1] : $value[0];
+ }
$labels = array_merge( $defaults, $object->labels );
- return (object)$labels;
+ $object->labels = (object) $object->labels;
+
+ return (object) $labels;
}
/**
- * Adds submenus for post types.
+ * Add submenus for post types.
*
* @access private
* @since 3.1.0
function _add_post_type_submenus() {
foreach ( get_post_types( array( 'show_ui' => true ) ) as $ptype ) {
$ptype_obj = get_post_type_object( $ptype );
- // Submenus only.
+ // Sub-menus only.
if ( ! $ptype_obj->show_in_menu || $ptype_obj->show_in_menu === true )
continue;
add_submenu_page( $ptype_obj->show_in_menu, $ptype_obj->labels->name, $ptype_obj->labels->all_items, $ptype_obj->cap->edit_posts, "edit.php?post_type=$ptype" );
}
}
-add_action( 'admin_menu', '_add_post_type_submenus' );
/**
* Register support of certain features for a post type.
*
- * All features are directly associated with a functional area of the edit screen, such as the
- * editor or a meta box: 'title', 'editor', 'comments', 'revisions', 'trackbacks', 'author',
- * 'excerpt', 'page-attributes', 'thumbnail', and 'custom-fields'.
+ * All core features are directly associated with a functional area of the edit
+ * screen, such as the editor or a meta box. Features include: 'title', 'editor',
+ * 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', 'page-attributes',
+ * 'thumbnail', 'custom-fields', and 'post-formats'.
*
- * Additionally, the 'revisions' feature dictates whether the post type will store revisions,
- * and the 'comments' feature dictates whether the comments count will show on the edit screen.
+ * Additionally, the 'revisions' feature dictates whether the post type will
+ * store revisions, and the 'comments' feature dictates whether the comments
+ * count will show on the edit screen.
*
* @since 3.0.0
- * @param string $post_type The post type for which to add the feature
- * @param string|array $feature the feature being added, can be an array of feature strings or a single string
+ *
+ * @global array $_wp_post_type_features
+ *
+ * @param string $post_type The post type for which to add the feature.
+ * @param string|array $feature The feature being added, accepts an array of
+ * feature strings or a single string.
*/
function add_post_type_support( $post_type, $feature ) {
global $_wp_post_type_features;
* Remove support for a feature from a post type.
*
* @since 3.0.0
- * @param string $post_type The post type for which to remove the feature
- * @param string $feature The feature being removed
+ *
+ * @global array $_wp_post_type_features
+ *
+ * @param string $post_type The post type for which to remove the feature.
+ * @param string $feature The feature being removed.
*/
function remove_post_type_support( $post_type, $feature ) {
global $_wp_post_type_features;
- if ( !isset($_wp_post_type_features[$post_type]) )
- return;
+ unset( $_wp_post_type_features[ $post_type ][ $feature ] );
+}
+
+/**
+ * Get all the post type features
+ *
+ * @since 3.4.0
+ *
+ * @global array $_wp_post_type_features
+ *
+ * @param string $post_type The post type.
+ * @return array Post type supports list.
+ */
+function get_all_post_type_supports( $post_type ) {
+ global $_wp_post_type_features;
+
+ if ( isset( $_wp_post_type_features[$post_type] ) )
+ return $_wp_post_type_features[$post_type];
- if ( isset($_wp_post_type_features[$post_type][$feature]) )
- unset($_wp_post_type_features[$post_type][$feature]);
+ return array();
}
/**
- * Checks a post type's support for a given feature
+ * Check a post type's support for a given feature.
*
* @since 3.0.0
- * @param string $post_type The post type being checked
- * @param string $feature the feature being checked
- * @return boolean
+ *
+ * @global array $_wp_post_type_features
+ *
+ * @param string $post_type The post type being checked.
+ * @param string $feature The feature being checked.
+ * @return bool Whether the post type supports the given feature.
*/
-
function post_type_supports( $post_type, $feature ) {
global $_wp_post_type_features;
- if ( !isset( $_wp_post_type_features[$post_type][$feature] ) )
- return false;
+ return ( isset( $_wp_post_type_features[$post_type][$feature] ) );
+}
- // If no args passed then no extra checks need be performed
- if ( func_num_args() <= 2 )
- return true;
+/**
+ * Retrieves a list of post type names that support a specific feature.
+ *
+ * @since 4.5.0
+ *
+ * @global array $_wp_post_type_features Post type features
+ *
+ * @param array|string $feature Single feature or an array of features the post types should support.
+ * @param string $operator Optional. The logical operation to perform. 'or' means
+ * only one element from the array needs to match; 'and'
+ * means all elements must match; 'not' means no elements may
+ * match. Default 'and'.
+ * @return array A list of post type names.
+ */
+function get_post_types_by_support( $feature, $operator = 'and' ) {
+ global $_wp_post_type_features;
- // @todo Allow pluggable arg checking
- //$args = array_slice( func_get_args(), 2 );
+ $features = array_fill_keys( (array) $feature, true );
- return true;
+ return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) );
}
/**
- * Updates the post type for the post ID.
+ * Update the post type for the post ID.
*
* The page or post cache will be cleaned for the post ID.
*
* @since 2.5.0
*
- * @uses $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
*
- * @param int $post_id Post ID to change post type. Not actually optional.
- * @param string $post_type Optional, default is post. Supported values are 'post' or 'page' to
- * name a few.
- * @return int Amount of rows changed. Should be 1 for success and 0 for failure.
+ * @param int $post_id Optional. Post ID to change post type. Default 0.
+ * @param string $post_type Optional. Post type. Accepts 'post' or 'page' to
+ * name a few. Default 'post'.
+ * @return int|false Amount of rows changed. Should be 1 for success and 0 for failure.
*/
function set_post_type( $post_id = 0, $post_type = 'post' ) {
global $wpdb;
$post_type = sanitize_post_field('post_type', $post_type, $post_id, 'db');
- $return = $wpdb->update($wpdb->posts, array('post_type' => $post_type), array('ID' => $post_id) );
+ $return = $wpdb->update( $wpdb->posts, array('post_type' => $post_type), array('ID' => $post_id) );
- if ( 'page' == $post_type )
- clean_page_cache($post_id);
- else
- clean_post_cache($post_id);
+ clean_post_cache( $post_id );
return $return;
}
+/**
+ * Determines whether a post type is considered "viewable".
+ *
+ * For built-in post types such as posts and pages, the 'public' value will be evaluated.
+ * For all others, the 'publicly_queryable' value will be used.
+ *
+ * @since 4.4.0
+ * @since 4.5.0 Added the ability to pass a post type name in addition to object.
+ * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
+ *
+ * @param string|WP_Post_Type $post_type Post type name or object.
+ * @return bool Whether the post type should be considered viewable.
+ */
+function is_post_type_viewable( $post_type ) {
+ if ( is_scalar( $post_type ) ) {
+ $post_type = get_post_type_object( $post_type );
+ if ( ! $post_type ) {
+ return false;
+ }
+ }
+
+ return $post_type->publicly_queryable || ( $post_type->_builtin && $post_type->public );
+}
+
/**
* Retrieve list of latest posts or posts matching criteria.
*
* The defaults are as follows:
- * 'numberposts' - Default is 5. Total number of posts to retrieve.
- * 'offset' - Default is 0. See {@link WP_Query::query()} for more.
- * 'category' - What category to pull the posts from.
- * 'orderby' - Default is 'post_date'. How to order the posts.
- * 'order' - Default is 'DESC'. The order to retrieve the posts.
- * 'include' - See {@link WP_Query::query()} for more.
- * 'exclude' - See {@link WP_Query::query()} for more.
- * 'meta_key' - See {@link WP_Query::query()} for more.
- * 'meta_value' - See {@link WP_Query::query()} for more.
- * 'post_type' - Default is 'post'. Can be 'page', or 'attachment' to name a few.
- * 'post_parent' - The parent of the post or post type.
- * 'post_status' - Default is 'publish'. Post status to retrieve.
*
* @since 1.2.0
- * @uses $wpdb
- * @uses WP_Query::query() See for more default arguments and information.
- * @link http://codex.wordpress.org/Template_Tags/get_posts
*
- * @param array $args Optional. Overrides defaults.
+ * @see WP_Query::parse_query()
+ *
+ * @param array $args {
+ * Optional. Arguments to retrieve posts. See WP_Query::parse_query() for all
+ * available arguments.
+ *
+ * @type int $numberposts Total number of posts to retrieve. Is an alias of $posts_per_page
+ * in WP_Query. Accepts -1 for all. Default 5.
+ * @type int|string $category Category ID or comma-separated list of IDs (this or any children).
+ * Is an alias of $cat in WP_Query. Default 0.
+ * @type array $include An array of post IDs to retrieve, sticky posts will be included.
+ * Is an alias of $post__in in WP_Query. Default empty array.
+ * @type array $exclude An array of post IDs not to retrieve. Default empty array.
+ * @type bool $suppress_filters Whether to suppress filters. Default true.
+ * }
* @return array List of posts.
*/
-function get_posts($args = null) {
+function get_posts( $args = null ) {
$defaults = array(
- 'numberposts' => 5, 'offset' => 0,
- 'category' => 0, 'orderby' => 'post_date',
+ 'numberposts' => 5,
+ 'category' => 0, 'orderby' => 'date',
'order' => 'DESC', 'include' => array(),
'exclude' => array(), 'meta_key' => '',
'meta_value' =>'', 'post_type' => 'post',
* Post meta data is called "Custom Fields" on the Administration Screen.
*
* @since 1.5.0
- * @uses $wpdb
- * @link http://codex.wordpress.org/Function_Reference/add_post_meta
*
- * @param int $post_id Post ID.
- * @param string $meta_key Metadata name.
- * @param mixed $meta_value Metadata value.
- * @param bool $unique Optional, default is false. Whether the same key should not be added.
- * @return bool False for failure. True for success.
+ * @param int $post_id Post ID.
+ * @param string $meta_key Metadata name.
+ * @param mixed $meta_value Metadata value. Must be serializable if non-scalar.
+ * @param bool $unique Optional. Whether the same key should not be added.
+ * Default false.
+ * @return int|false Meta ID on success, false on failure.
*/
-function add_post_meta($post_id, $meta_key, $meta_value, $unique = false) {
- // make sure meta is added to the post, not a revision
+function add_post_meta( $post_id, $meta_key, $meta_value, $unique = false ) {
+ // Make sure meta is added to the post, not a revision.
if ( $the_post = wp_is_post_revision($post_id) )
$post_id = $the_post;
* allows removing all metadata matching key, if needed.
*
* @since 1.5.0
- * @uses $wpdb
- * @link http://codex.wordpress.org/Function_Reference/delete_post_meta
*
- * @param int $post_id post ID
- * @param string $meta_key Metadata name.
- * @param mixed $meta_value Optional. Metadata value.
- * @return bool False for failure. True for success.
+ * @param int $post_id Post ID.
+ * @param string $meta_key Metadata name.
+ * @param mixed $meta_value Optional. Metadata value. Must be serializable if
+ * non-scalar. Default empty.
+ * @return bool True on success, false on failure.
*/
-function delete_post_meta($post_id, $meta_key, $meta_value = '') {
- // make sure meta is added to the post, not a revision
+function delete_post_meta( $post_id, $meta_key, $meta_value = '' ) {
+ // Make sure meta is added to the post, not a revision.
if ( $the_post = wp_is_post_revision($post_id) )
$post_id = $the_post;
* Retrieve post meta field for a post.
*
* @since 1.5.0
- * @uses $wpdb
- * @link http://codex.wordpress.org/Function_Reference/get_post_meta
*
- * @param int $post_id Post ID.
- * @param string $key The meta key to retrieve.
- * @param bool $single Whether to return a single value.
- * @return mixed Will be an array if $single is false. Will be value of meta data field if $single
- * is true.
+ * @param int $post_id Post ID.
+ * @param string $key Optional. The meta key to retrieve. By default, returns
+ * data for all keys. Default empty.
+ * @param bool $single Optional. Whether to return a single value. Default false.
+ * @return mixed Will be an array if $single is false. Will be value of meta data
+ * field if $single is true.
*/
-function get_post_meta($post_id, $key, $single = false) {
+function get_post_meta( $post_id, $key = '', $single = false ) {
return get_metadata('post', $post_id, $key, $single);
}
* If the meta field for the post does not exist, it will be added.
*
* @since 1.5.0
- * @uses $wpdb
- * @link http://codex.wordpress.org/Function_Reference/update_post_meta
*
- * @param int $post_id Post ID.
- * @param string $meta_key Metadata key.
- * @param mixed $meta_value Metadata value.
- * @param mixed $prev_value Optional. Previous value to check before removing.
- * @return bool False on failure, true if success.
+ * @param int $post_id Post ID.
+ * @param string $meta_key Metadata key.
+ * @param mixed $meta_value Metadata value. Must be serializable if non-scalar.
+ * @param mixed $prev_value Optional. Previous value to check before removing.
+ * Default empty.
+ * @return int|bool Meta ID if the key didn't exist, true on successful update,
+ * false on failure.
*/
-function update_post_meta($post_id, $meta_key, $meta_value, $prev_value = '') {
- // make sure meta is added to the post, not a revision
+function update_post_meta( $post_id, $meta_key, $meta_value, $prev_value = '' ) {
+ // Make sure meta is added to the post, not a revision.
if ( $the_post = wp_is_post_revision($post_id) )
$post_id = $the_post;
* Delete everything from post meta matching meta key.
*
* @since 2.3.0
- * @uses $wpdb
*
* @param string $post_meta_key Key to search for when deleting.
- * @return bool Whether the post meta key was deleted from the database
+ * @return bool Whether the post meta key was deleted from the database.
*/
-function delete_post_meta_by_key($post_meta_key) {
+function delete_post_meta_by_key( $post_meta_key ) {
return delete_metadata( 'post', null, $post_meta_key, '', true );
}
/**
* Retrieve post meta fields, based on post ID.
*
- * The post meta fields are retrieved from the cache, so the function is
- * optimized to be called more than once. It also applies to the functions, that
- * use this function.
+ * The post meta fields are retrieved from the cache where possible,
+ * so the function is optimized to be called more than once.
*
* @since 1.2.0
- * @link http://codex.wordpress.org/Function_Reference/get_post_custom
*
- * @uses $id Current Loop Post ID
- *
- * @param int $post_id post ID
- * @return array
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return array Post meta for the given post.
*/
function get_post_custom( $post_id = 0 ) {
$post_id = absint( $post_id );
-
if ( ! $post_id )
$post_id = get_the_ID();
- if ( ! wp_cache_get( $post_id, 'post_meta' ) )
- update_postmeta_cache( $post_id );
-
- return wp_cache_get( $post_id, 'post_meta' );
+ return get_post_meta( $post_id );
}
/**
* If there are no meta fields, then nothing (null) will be returned.
*
* @since 1.2.0
- * @link http://codex.wordpress.org/Function_Reference/get_post_custom_keys
*
- * @param int $post_id post ID
- * @return array|null Either array of the keys, or null if keys could not be retrieved.
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return array|void Array of the keys, if retrieved.
*/
function get_post_custom_keys( $post_id = 0 ) {
$custom = get_post_custom( $post_id );
* will be retrieved and only the meta field key values returned.
*
* @since 1.2.0
- * @link http://codex.wordpress.org/Function_Reference/get_post_custom_values
*
- * @param string $key Meta field key.
- * @param int $post_id Post ID
- * @return array Meta field values.
+ * @param string $key Optional. Meta field key. Default empty.
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return array|null Meta field values.
*/
function get_post_custom_values( $key = '', $post_id = 0 ) {
if ( !$key )
*
* @since 2.7.0
*
- * @param int $post_id Optional. Post ID.
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
* @return bool Whether post is sticky.
*/
function is_sticky( $post_id = 0 ) {
/**
* Sanitize every post field.
*
- * If the context is 'raw', then the post object or array will get minimal santization of the int fields.
+ * If the context is 'raw', then the post object or array will get minimal
+ * sanitization of the integer fields.
*
* @since 2.3.0
- * @uses sanitize_post_field() Used to sanitize the fields.
*
- * @param object|array $post The Post Object or Array
- * @param string $context Optional, default is 'display'. How to sanitize post fields.
- * @return object|array The now sanitized Post Object or Array (will be the same type as $post)
+ * @see sanitize_post_field()
+ *
+ * @param object|WP_Post|array $post The Post Object or Array
+ * @param string $context Optional. How to sanitize post fields.
+ * Accepts 'raw', 'edit', 'db', or 'display'.
+ * Default 'display'.
+ * @return object|WP_Post|array The now sanitized Post Object or Array (will be the
+ * same type as $post).
*/
-function sanitize_post($post, $context = 'display') {
+function sanitize_post( $post, $context = 'display' ) {
if ( is_object($post) ) {
- // Check if post already filtered for this context
+ // Check if post already filtered for this context.
if ( isset($post->filter) && $context == $post->filter )
return $post;
if ( !isset($post->ID) )
foreach ( array_keys(get_object_vars($post)) as $field )
$post->$field = sanitize_post_field($field, $post->$field, $post->ID, $context);
$post->filter = $context;
- } else {
- // Check if post already filtered for this context
+ } elseif ( is_array( $post ) ) {
+ // Check if post already filtered for this context.
if ( isset($post['filter']) && $context == $post['filter'] )
return $post;
if ( !isset($post['ID']) )
/**
* Sanitize post field based on context.
*
- * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The
- * 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display'
- * when calling filters.
+ * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and
+ * 'js'. The 'display' context is used by default. 'attribute' and 'js' contexts
+ * are treated like 'display' when calling filters.
*
* @since 2.3.0
- * @uses apply_filters() Calls 'edit_$field' and '{$field_no_prefix}_edit_pre' passing $value and
- * $post_id if $context == 'edit' and field name prefix == 'post_'.
- *
- * @uses apply_filters() Calls 'edit_post_$field' passing $value and $post_id if $context == 'db'.
- * @uses apply_filters() Calls 'pre_$field' passing $value if $context == 'db' and field name prefix == 'post_'.
- * @uses apply_filters() Calls '{$field}_pre' passing $value if $context == 'db' and field name prefix != 'post_'.
+ * @since 4.4.0 Like `sanitize_post()`, `$context` defaults to 'display'.
*
- * @uses apply_filters() Calls '$field' passing $value, $post_id and $context if $context == anything
- * other than 'raw', 'edit' and 'db' and field name prefix == 'post_'.
- * @uses apply_filters() Calls 'post_$field' passing $value if $context == anything other than 'raw',
- * 'edit' and 'db' and field name prefix != 'post_'.
- *
- * @param string $field The Post Object field name.
- * @param mixed $value The Post Object value.
- * @param int $post_id Post ID.
- * @param string $context How to sanitize post fields. Looks for 'raw', 'edit', 'db', 'display',
- * 'attribute' and 'js'.
+ * @param string $field The Post Object field name.
+ * @param mixed $value The Post Object value.
+ * @param int $post_id Post ID.
+ * @param string $context Optional. How to sanitize post fields. Looks for 'raw', 'edit',
+ * 'db', 'display', 'attribute' and 'js'. Default 'display'.
* @return mixed Sanitized value.
*/
-function sanitize_post_field($field, $value, $post_id, $context) {
+function sanitize_post_field( $field, $value, $post_id, $context = 'display' ) {
$int_fields = array('ID', 'post_parent', 'menu_order');
if ( in_array($field, $int_fields) )
$value = (int) $value;
- // Fields which contain arrays of ints.
+ // Fields which contain arrays of integers.
$array_int_fields = array( 'ancestors' );
if ( in_array($field, $array_int_fields) ) {
$value = array_map( 'absint', $value);
$format_to_edit = array('post_content', 'post_excerpt', 'post_title', 'post_password');
if ( $prefixed ) {
- $value = apply_filters("edit_{$field}", $value, $post_id);
- // Old school
- $value = apply_filters("{$field_no_prefix}_edit_pre", $value, $post_id);
+
+ /**
+ * Filters the value of a specific post field to edit.
+ *
+ * The dynamic portion of the hook name, `$field`, refers to the post
+ * field name.
+ *
+ * @since 2.3.0
+ *
+ * @param mixed $value Value of the post field.
+ * @param int $post_id Post ID.
+ */
+ $value = apply_filters( "edit_{$field}", $value, $post_id );
+
+ /**
+ * Filters the value of a specific post field to edit.
+ *
+ * The dynamic portion of the hook name, `$field_no_prefix`, refers to
+ * the post field name.
+ *
+ * @since 2.3.0
+ *
+ * @param mixed $value Value of the post field.
+ * @param int $post_id Post ID.
+ */
+ $value = apply_filters( "{$field_no_prefix}_edit_pre", $value, $post_id );
} else {
- $value = apply_filters("edit_post_{$field}", $value, $post_id);
+ $value = apply_filters( "edit_post_{$field}", $value, $post_id );
}
if ( in_array($field, $format_to_edit) ) {
} else {
$value = esc_attr($value);
}
- } else if ( 'db' == $context ) {
+ } elseif ( 'db' == $context ) {
if ( $prefixed ) {
- $value = apply_filters("pre_{$field}", $value);
- $value = apply_filters("{$field_no_prefix}_save_pre", $value);
+
+ /**
+ * Filters the value of a specific post field before saving.
+ *
+ * The dynamic portion of the hook name, `$field`, refers to the post
+ * field name.
+ *
+ * @since 2.3.0
+ *
+ * @param mixed $value Value of the post field.
+ */
+ $value = apply_filters( "pre_{$field}", $value );
+
+ /**
+ * Filters the value of a specific field before saving.
+ *
+ * The dynamic portion of the hook name, `$field_no_prefix`, refers
+ * to the post field name.
+ *
+ * @since 2.3.0
+ *
+ * @param mixed $value Value of the post field.
+ */
+ $value = apply_filters( "{$field_no_prefix}_save_pre", $value );
} else {
- $value = apply_filters("pre_post_{$field}", $value);
- $value = apply_filters("{$field}_pre", $value);
+ $value = apply_filters( "pre_post_{$field}", $value );
+
+ /**
+ * Filters the value of a specific post field before saving.
+ *
+ * The dynamic portion of the hook name, `$field`, refers to the post
+ * field name.
+ *
+ * @since 2.3.0
+ *
+ * @param mixed $value Value of the post field.
+ */
+ $value = apply_filters( "{$field}_pre", $value );
}
} else {
+
// Use display filters by default.
- if ( $prefixed )
- $value = apply_filters($field, $value, $post_id, $context);
- else
- $value = apply_filters("post_{$field}", $value, $post_id, $context);
- }
+ if ( $prefixed ) {
- if ( 'attribute' == $context )
- $value = esc_attr($value);
- else if ( 'js' == $context )
- $value = esc_js($value);
+ /**
+ * Filters the value of a specific post field for display.
+ *
+ * The dynamic portion of the hook name, `$field`, refers to the post
+ * field name.
+ *
+ * @since 2.3.0
+ *
+ * @param mixed $value Value of the prefixed post field.
+ * @param int $post_id Post ID.
+ * @param string $context Context for how to sanitize the field. Possible
+ * values include 'raw', 'edit', 'db', 'display',
+ * 'attribute' and 'js'.
+ */
+ $value = apply_filters( $field, $value, $post_id, $context );
+ } else {
+ $value = apply_filters( "post_{$field}", $value, $post_id, $context );
+ }
- return $value;
-}
+ if ( 'attribute' == $context ) {
+ $value = esc_attr( $value );
+ } elseif ( 'js' == $context ) {
+ $value = esc_js( $value );
+ }
+ }
+
+ return $value;
+}
/**
* Make a post sticky.
*
* @param int $post_id Post ID.
*/
-function stick_post($post_id) {
+function stick_post( $post_id ) {
$stickies = get_option('sticky_posts');
if ( !is_array($stickies) )
if ( ! in_array($post_id, $stickies) )
$stickies[] = $post_id;
- update_option('sticky_posts', $stickies);
+ $updated = update_option( 'sticky_posts', $stickies );
+
+ if ( $updated ) {
+ /**
+ * Fires once a post has been added to the sticky list.
+ *
+ * @since 4.6.0
+ *
+ * @param int $post_id ID of the post that was stuck.
+ */
+ do_action( 'post_stuck', $post_id );
+ }
}
/**
- * Unstick a post.
+ * Un-stick a post.
*
* Sticky posts should be displayed at the top of the front page.
*
*
* @param int $post_id Post ID.
*/
-function unstick_post($post_id) {
+function unstick_post( $post_id ) {
$stickies = get_option('sticky_posts');
if ( !is_array($stickies) )
array_splice($stickies, $offset, 1);
- update_option('sticky_posts', $stickies);
+ $updated = update_option( 'sticky_posts', $stickies );
+
+ if ( $updated ) {
+ /**
+ * Fires once a post has been removed from the sticky list.
+ *
+ * @since 4.6.0
+ *
+ * @param int $post_id ID of the post that was unstuck.
+ */
+ do_action( 'post_unstuck', $post_id );
+ }
+}
+
+/**
+ * Return the cache key for wp_count_posts() based on the passed arguments.
+ *
+ * @since 3.9.0
+ *
+ * @param string $type Optional. Post type to retrieve count Default 'post'.
+ * @param string $perm Optional. 'readable' or empty. Default empty.
+ * @return string The cache key.
+ */
+function _count_posts_cache_key( $type = 'post', $perm = '' ) {
+ $cache_key = 'posts-' . $type;
+ if ( 'readable' == $perm && is_user_logged_in() ) {
+ $post_type_object = get_post_type_object( $type );
+ if ( $post_type_object && ! current_user_can( $post_type_object->cap->read_private_posts ) ) {
+ $cache_key .= '_' . $perm . '_' . get_current_user_id();
+ }
+ }
+ return $cache_key;
}
/**
- * Count number of posts of a post type and is user has permissions to view.
+ * Count number of posts of a post type and if user has permissions to view.
*
* This function provides an efficient method of finding the amount of post's
* type a blog has. Another method is to count the amount of items in
* private posts, it will display that for the user that is signed in.
*
* @since 2.5.0
- * @link http://codex.wordpress.org/Template_Tags/wp_count_posts
*
- * @param string $type Optional. Post type to retrieve count
- * @param string $perm Optional. 'readable' or empty.
- * @return object Number of posts for each status
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $type Optional. Post type to retrieve count. Default 'post'.
+ * @param string $perm Optional. 'readable' or empty. Default empty.
+ * @return object Number of posts for each status.
*/
function wp_count_posts( $type = 'post', $perm = '' ) {
global $wpdb;
- $user = wp_get_current_user();
+ if ( ! post_type_exists( $type ) )
+ return new stdClass;
+
+ $cache_key = _count_posts_cache_key( $type, $perm );
- $cache_key = $type;
+ $counts = wp_cache_get( $cache_key, 'counts' );
+ if ( false !== $counts ) {
+ /** This filter is documented in wp-includes/post.php */
+ return apply_filters( 'wp_count_posts', $counts, $type, $perm );
+ }
$query = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = %s";
if ( 'readable' == $perm && is_user_logged_in() ) {
$post_type_object = get_post_type_object($type);
- if ( !current_user_can( $post_type_object->cap->read_private_posts ) ) {
- $cache_key .= '_' . $perm . '_' . $user->ID;
- $query .= " AND (post_status != 'private' OR ( post_author = '$user->ID' AND post_status = 'private' ))";
+ if ( ! current_user_can( $post_type_object->cap->read_private_posts ) ) {
+ $query .= $wpdb->prepare( " AND (post_status != 'private' OR ( post_author = %d AND post_status = 'private' ))",
+ get_current_user_id()
+ );
}
}
$query .= ' GROUP BY post_status';
- $count = wp_cache_get($cache_key, 'counts');
- if ( false !== $count )
- return $count;
-
- $count = $wpdb->get_results( $wpdb->prepare( $query, $type ), ARRAY_A );
+ $results = (array) $wpdb->get_results( $wpdb->prepare( $query, $type ), ARRAY_A );
+ $counts = array_fill_keys( get_post_stati(), 0 );
- $stats = array();
- foreach ( get_post_stati() as $state )
- $stats[$state] = 0;
-
- foreach ( (array) $count as $row )
- $stats[$row['post_status']] = $row['num_posts'];
+ foreach ( $results as $row ) {
+ $counts[ $row['post_status'] ] = $row['num_posts'];
+ }
- $stats = (object) $stats;
- wp_cache_set($cache_key, $stats, 'counts');
+ $counts = (object) $counts;
+ wp_cache_set( $cache_key, $counts, 'counts' );
- return $stats;
+ /**
+ * Modify returned post counts by status for the current post type.
+ *
+ * @since 3.7.0
+ *
+ * @param object $counts An object containing the current post_type's post
+ * counts by status.
+ * @param string $type Post type.
+ * @param string $perm The permission to determine if the posts are 'readable'
+ * by the current user.
+ */
+ return apply_filters( 'wp_count_posts', $counts, $type, $perm );
}
-
/**
* Count number of attachments for the mime type(s).
*
*
* @since 2.5.0
*
- * @param string|array $mime_type Optional. Array or comma-separated list of MIME patterns.
- * @return array Number of posts for each mime type.
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string|array $mime_type Optional. Array or comma-separated list of
+ * MIME patterns. Default empty.
+ * @return object An object containing the attachment counts by mime type.
*/
function wp_count_attachments( $mime_type = '' ) {
global $wpdb;
$and = wp_post_mime_type_where( $mime_type );
$count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A );
- $stats = array( );
- foreach( (array) $count as $row ) {
- $stats[$row['post_mime_type']] = $row['num_posts'];
+ $counts = array();
+ foreach ( (array) $count as $row ) {
+ $counts[ $row['post_mime_type'] ] = $row['num_posts'];
}
- $stats['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and");
+ $counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and");
+
+ /**
+ * Modify returned attachment counts by mime type.
+ *
+ * @since 3.7.0
+ *
+ * @param object $counts An object containing the attachment counts by
+ * mime type.
+ * @param string $mime_type The mime type pattern used to filter the attachments
+ * counted.
+ */
+ return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type );
+}
+
+/**
+ * Get default post mime types.
+ *
+ * @since 2.9.0
+ *
+ * @return array List of post mime types.
+ */
+function get_post_mime_types() {
+ $post_mime_types = array( // array( adj, noun )
+ 'image' => array(__('Images'), __('Manage Images'), _n_noop('Image <span class="count">(%s)</span>', 'Images <span class="count">(%s)</span>')),
+ 'audio' => array(__('Audio'), __('Manage Audio'), _n_noop('Audio <span class="count">(%s)</span>', 'Audio <span class="count">(%s)</span>')),
+ 'video' => array(__('Video'), __('Manage Video'), _n_noop('Video <span class="count">(%s)</span>', 'Video <span class="count">(%s)</span>')),
+ );
- return (object) $stats;
+ /**
+ * Filters the default list of post mime types.
+ *
+ * @since 2.5.0
+ *
+ * @param array $post_mime_types Default list of post mime types.
+ */
+ return apply_filters( 'post_mime_types', $post_mime_types );
}
/**
*
* @since 2.5.0
*
- * @param string|array $wildcard_mime_types e.g. audio/mpeg or image (same as image/*) or
- * flash (same as *flash*).
- * @param string|array $real_mime_types post_mime_type values
- * @return array array(wildcard=>array(real types))
+ * @param string|array $wildcard_mime_types Mime types, e.g. audio/mpeg or image (same as image/*)
+ * or flash (same as *flash*).
+ * @param string|array $real_mime_types Real post mime type values.
+ * @return array array(wildcard=>array(real types)).
*/
-function wp_match_mime_types($wildcard_mime_types, $real_mime_types) {
+function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) {
$matches = array();
- if ( is_string($wildcard_mime_types) )
- $wildcard_mime_types = array_map('trim', explode(',', $wildcard_mime_types));
- if ( is_string($real_mime_types) )
- $real_mime_types = array_map('trim', explode(',', $real_mime_types));
+ if ( is_string( $wildcard_mime_types ) ) {
+ $wildcard_mime_types = array_map( 'trim', explode( ',', $wildcard_mime_types ) );
+ }
+ if ( is_string( $real_mime_types ) ) {
+ $real_mime_types = array_map( 'trim', explode( ',', $real_mime_types ) );
+ }
+
+ $patternses = array();
$wild = '[-._a-z0-9]*';
+
foreach ( (array) $wildcard_mime_types as $type ) {
- $type = str_replace('*', $wild, $type);
- $patternses[1][$type] = "^$type$";
- if ( false === strpos($type, '/') ) {
- $patternses[2][$type] = "^$type/";
- $patternses[3][$type] = $type;
+ $mimes = array_map( 'trim', explode( ',', $type ) );
+ foreach ( $mimes as $mime ) {
+ $regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $mime ) ) );
+ $patternses[][$type] = "^$regex$";
+ if ( false === strpos( $mime, '/' ) ) {
+ $patternses[][$type] = "^$regex/";
+ $patternses[][$type] = $regex;
+ }
}
}
- asort($patternses);
- foreach ( $patternses as $patterns )
- foreach ( $patterns as $type => $pattern )
- foreach ( (array) $real_mime_types as $real )
- if ( preg_match("#$pattern#", $real) && ( empty($matches[$type]) || false === array_search($real, $matches[$type]) ) )
+ asort( $patternses );
+
+ foreach ( $patternses as $patterns ) {
+ foreach ( $patterns as $type => $pattern ) {
+ foreach ( (array) $real_mime_types as $real ) {
+ if ( preg_match( "#$pattern#", $real ) && ( empty( $matches[$type] ) || false === array_search( $real, $matches[$type] ) ) ) {
$matches[$type][] = $real;
+ }
+ }
+ }
+ }
return $matches;
}
*
* @since 2.5.0
*
- * @param string|array $post_mime_types List of mime types or comma separated string of mime types.
- * @param string $table_alias Optional. Specify a table alias, if needed.
+ * @param string|array $post_mime_types List of mime types or comma separated string
+ * of mime types.
+ * @param string $table_alias Optional. Specify a table alias, if needed.
+ * Default empty.
* @return string The SQL AND clause for mime searching.
*/
-function wp_post_mime_type_where($post_mime_types, $table_alias = '') {
+function wp_post_mime_type_where( $post_mime_types, $table_alias = '' ) {
$where = '';
$wildcards = array('', '%', '%/%');
if ( is_string($post_mime_types) )
$post_mime_types = array_map('trim', explode(',', $post_mime_types));
+
+ $wheres = array();
+
foreach ( (array) $post_mime_types as $mime_type ) {
$mime_type = preg_replace('/\s/', '', $mime_type);
$slashpos = strpos($mime_type, '/');
}
/**
- * Trashes or deletes a post or page.
+ * Trash or delete a post or page.
*
- * When the post and page is permanently deleted, everything that is tied to it is deleted also.
- * This includes comments, post meta fields, and terms associated with the post.
+ * When the post and page is permanently deleted, everything that is tied to
+ * it is deleted also. This includes comments, post meta fields, and terms
+ * associated with the post.
*
- * The post or page is moved to trash instead of permanently deleted unless trash is
- * disabled, item is already in the trash, or $force_delete is true.
+ * The post or page is moved to trash instead of permanently deleted unless
+ * trash is disabled, item is already in the trash, or $force_delete is true.
*
* @since 1.0.0
- * @uses do_action() on 'delete_post' before deletion unless post type is 'attachment'.
- * @uses do_action() on 'deleted_post' after deletion unless post type is 'attachment'.
- * @uses wp_delete_attachment() if post type is 'attachment'.
- * @uses wp_trash_post() if item should be trashed.
- *
- * @param int $postid Post ID.
- * @param bool $force_delete Whether to bypass trash and force deletion. Defaults to false.
- * @return mixed False on failure
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @see wp_delete_attachment()
+ * @see wp_trash_post()
+ *
+ * @param int $postid Optional. Post ID. Default 0.
+ * @param bool $force_delete Optional. Whether to bypass trash and force deletion.
+ * Default false.
+ * @return array|false|WP_Post False on failure.
*/
function wp_delete_post( $postid = 0, $force_delete = false ) {
- global $wpdb, $wp_rewrite;
+ global $wpdb;
if ( !$post = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $postid)) )
return $post;
if ( !$force_delete && ( $post->post_type == 'post' || $post->post_type == 'page') && get_post_status( $postid ) != 'trash' && EMPTY_TRASH_DAYS )
- return wp_trash_post($postid);
+ return wp_trash_post( $postid );
if ( $post->post_type == 'attachment' )
return wp_delete_attachment( $postid, $force_delete );
- do_action('before_delete_post', $postid);
+ /**
+ * Filters whether a post deletion should take place.
+ *
+ * @since 4.4.0
+ *
+ * @param bool $delete Whether to go forward with deletion.
+ * @param WP_Post $post Post object.
+ * @param bool $force_delete Whether to bypass the trash.
+ */
+ $check = apply_filters( 'pre_delete_post', null, $post, $force_delete );
+ if ( null !== $check ) {
+ return $check;
+ }
+
+ /**
+ * Fires before a post is deleted, at the start of wp_delete_post().
+ *
+ * @since 3.2.0
+ *
+ * @see wp_delete_post()
+ *
+ * @param int $postid Post ID.
+ */
+ do_action( 'before_delete_post', $postid );
delete_post_meta($postid,'_wp_trash_meta_status');
delete_post_meta($postid,'_wp_trash_meta_time');
$parent_data = array( 'post_parent' => $post->post_parent );
$parent_where = array( 'post_parent' => $postid );
- if ( 'page' == $post->post_type) {
- // if the page is defined in option page_on_front or post_for_posts,
- // adjust the corresponding options
- if ( get_option('page_on_front') == $postid ) {
- update_option('show_on_front', 'posts');
- delete_option('page_on_front');
- }
- if ( get_option('page_for_posts') == $postid ) {
- delete_option('page_for_posts');
+ if ( is_post_type_hierarchical( $post->post_type ) ) {
+ // Point children of this page to its parent, also clean the cache of affected children.
+ $children_query = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s", $postid, $post->post_type );
+ $children = $wpdb->get_results( $children_query );
+ if ( $children ) {
+ $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) );
}
-
- // Point children of this page to its parent, also clean the cache of affected children
- $children_query = $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type='page'", $postid);
- $children = $wpdb->get_results($children_query);
-
- $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'page' ) );
- } else {
- unstick_post($postid);
}
- // Do raw query. wp_get_post_revisions() is filtered
+ // Do raw query. wp_get_post_revisions() is filtered.
$revision_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $postid ) );
- // Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up.
+ // Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up.
foreach ( $revision_ids as $revision_id )
wp_delete_post_revision( $revision_id );
- // Point all attachments to this post up one level
+ // Point all attachments to this post up one level.
$wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) );
+ wp_defer_comment_counting( true );
+
$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $postid ));
- if ( ! empty($comment_ids) ) {
- do_action( 'delete_comment', $comment_ids );
- foreach ( $comment_ids as $comment_id )
- wp_delete_comment( $comment_id, true );
- do_action( 'deleted_comment', $comment_ids );
+ foreach ( $comment_ids as $comment_id ) {
+ wp_delete_comment( $comment_id, true );
}
+ wp_defer_comment_counting( false );
+
$post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid ));
- if ( !empty($post_meta_ids) ) {
- do_action( 'delete_postmeta', $post_meta_ids );
- $in_post_meta_ids = "'" . implode("', '", $post_meta_ids) . "'";
- $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_id IN($in_post_meta_ids)" );
- do_action( 'deleted_postmeta', $post_meta_ids );
+ foreach ( $post_meta_ids as $mid )
+ delete_metadata_by_mid( 'post', $mid );
+
+ /**
+ * Fires immediately before a post is deleted from the database.
+ *
+ * @since 1.2.0
+ *
+ * @param int $postid Post ID.
+ */
+ do_action( 'delete_post', $postid );
+ $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) );
+ if ( ! $result ) {
+ return false;
}
- do_action( 'delete_post', $postid );
- $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->posts WHERE ID = %d", $postid ));
+ /**
+ * Fires immediately after a post is deleted from the database.
+ *
+ * @since 2.2.0
+ *
+ * @param int $postid Post ID.
+ */
do_action( 'deleted_post', $postid );
- if ( 'page' == $post->post_type ) {
- clean_page_cache($postid);
-
- foreach ( (array) $children as $child )
- clean_page_cache($child->ID);
+ clean_post_cache( $post );
- $wp_rewrite->flush_rules(false);
- } else {
- clean_post_cache($postid);
+ if ( is_post_type_hierarchical( $post->post_type ) && $children ) {
+ foreach ( $children as $child )
+ clean_post_cache( $child );
}
wp_clear_scheduled_hook('publish_future_post', array( $postid ) );
- do_action('after_delete_post', $postid);
+ /**
+ * Fires after a post is deleted, at the conclusion of wp_delete_post().
+ *
+ * @since 3.2.0
+ *
+ * @see wp_delete_post()
+ *
+ * @param int $postid Post ID.
+ */
+ do_action( 'after_delete_post', $postid );
return $post;
}
/**
- * Moves a post or page to the Trash
+ * Reset the page_on_front, show_on_front, and page_for_post settings when
+ * a linked page is deleted or trashed.
+ *
+ * Also ensures the post is no longer sticky.
+ *
+ * @since 3.7.0
+ * @access private
+ *
+ * @param int $post_id Post ID.
+ */
+function _reset_front_page_settings_for_post( $post_id ) {
+ $post = get_post( $post_id );
+ if ( 'page' == $post->post_type ) {
+ /*
+ * If the page is defined in option page_on_front or post_for_posts,
+ * adjust the corresponding options.
+ */
+ if ( get_option( 'page_on_front' ) == $post->ID ) {
+ update_option( 'show_on_front', 'posts' );
+ update_option( 'page_on_front', 0 );
+ }
+ if ( get_option( 'page_for_posts' ) == $post->ID ) {
+ delete_option( 'page_for_posts', 0 );
+ }
+ }
+ unstick_post( $post->ID );
+}
+
+/**
+ * Move a post or page to the Trash
*
* If trash is disabled, the post or page is permanently deleted.
*
* @since 2.9.0
- * @uses do_action() on 'trash_post' before trashing
- * @uses do_action() on 'trashed_post' after trashing
- * @uses wp_delete_post() if trash is disabled
*
- * @param int $post_id Post ID.
- * @return mixed False on failure
+ * @see wp_delete_post()
+ *
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post
+ * if EMPTY_TRASH_DAYS equals true.
+ * @return false|array|WP_Post|null Post data array, otherwise false.
*/
-function wp_trash_post($post_id = 0) {
+function wp_trash_post( $post_id = 0 ) {
if ( !EMPTY_TRASH_DAYS )
return wp_delete_post($post_id, true);
- if ( !$post = wp_get_single_post($post_id, ARRAY_A) )
+ if ( !$post = get_post($post_id, ARRAY_A) )
return $post;
if ( $post['post_status'] == 'trash' )
return false;
- do_action('wp_trash_post', $post_id);
+ /**
+ * Fires before a post is sent to the trash.
+ *
+ * @since 3.3.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'wp_trash_post', $post_id );
add_post_meta($post_id,'_wp_trash_meta_status', $post['post_status']);
add_post_meta($post_id,'_wp_trash_meta_time', time());
$post['post_status'] = 'trash';
- wp_insert_post($post);
+ wp_insert_post( wp_slash( $post ) );
wp_trash_post_comments($post_id);
- do_action('trashed_post', $post_id);
+ /**
+ * Fires after a post is sent to the trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'trashed_post', $post_id );
return $post;
}
/**
- * Restores a post or page from the Trash
+ * Restore a post or page from the Trash.
*
* @since 2.9.0
- * @uses do_action() on 'untrash_post' before undeletion
- * @uses do_action() on 'untrashed_post' after undeletion
*
- * @param int $post_id Post ID.
- * @return mixed False on failure
+ * @param int $post_id Optional. Post ID. Default is ID of the global $post.
+ * @return WP_Post|false WP_Post object. False on failure.
*/
-function wp_untrash_post($post_id = 0) {
- if ( !$post = wp_get_single_post($post_id, ARRAY_A) )
+function wp_untrash_post( $post_id = 0 ) {
+ if ( !$post = get_post($post_id, ARRAY_A) )
return $post;
if ( $post['post_status'] != 'trash' )
return false;
- do_action('untrash_post', $post_id);
+ /**
+ * Fires before a post is restored from the trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'untrash_post', $post_id );
$post_status = get_post_meta($post_id, '_wp_trash_meta_status', true);
delete_post_meta($post_id, '_wp_trash_meta_status');
delete_post_meta($post_id, '_wp_trash_meta_time');
- wp_insert_post($post);
+ wp_insert_post( wp_slash( $post ) );
wp_untrash_post_comments($post_id);
- do_action('untrashed_post', $post_id);
+ /**
+ * Fires after a post is restored from the trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'untrashed_post', $post_id );
return $post;
}
/**
- * Moves comments for a post to the trash
+ * Moves comments for a post to the trash.
*
* @since 2.9.0
- * @uses do_action() on 'trash_post_comments' before trashing
- * @uses do_action() on 'trashed_post_comments' after trashing
*
- * @param int $post Post ID or object.
- * @return mixed False on failure
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
+ * @return mixed|void False on failure.
*/
-function wp_trash_post_comments($post = null) {
+function wp_trash_post_comments( $post = null ) {
global $wpdb;
$post = get_post($post);
$post_id = $post->ID;
- do_action('trash_post_comments', $post_id);
+ /**
+ * Fires before comments are sent to the trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'trash_post_comments', $post_id );
$comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_ID, comment_approved FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id) );
if ( empty($comments) )
return;
- // Cache current status for each comment
+ // Cache current status for each comment.
$statuses = array();
foreach ( $comments as $comment )
$statuses[$comment->comment_ID] = $comment->comment_approved;
add_post_meta($post_id, '_wp_trash_meta_comments_status', $statuses);
- // Set status for all comments to post-trashed
+ // Set status for all comments to post-trashed.
$result = $wpdb->update($wpdb->comments, array('comment_approved' => 'post-trashed'), array('comment_post_ID' => $post_id));
clean_comment_cache( array_keys($statuses) );
- do_action('trashed_post_comments', $post_id, $statuses);
+ /**
+ * Fires after comments are sent to the trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Post ID.
+ * @param array $statuses Array of comment statuses.
+ */
+ do_action( 'trashed_post_comments', $post_id, $statuses );
return $result;
}
/**
- * Restore comments for a post from the trash
+ * Restore comments for a post from the trash.
*
* @since 2.9.0
- * @uses do_action() on 'untrash_post_comments' before trashing
- * @uses do_action() on 'untrashed_post_comments' after trashing
*
- * @param int $post Post ID or object.
- * @return mixed False on failure
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post.
+ * @return true|void
*/
-function wp_untrash_post_comments($post = null) {
+function wp_untrash_post_comments( $post = null ) {
global $wpdb;
$post = get_post($post);
if ( empty($statuses) )
return true;
- do_action('untrash_post_comments', $post_id);
+ /**
+ * Fires before comments are restored for a post from the trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'untrash_post_comments', $post_id );
- // Restore each comment to its original status
+ // Restore each comment to its original status.
$group_by_status = array();
foreach ( $statuses as $comment_id => $comment_status )
$group_by_status[$comment_status][] = $comment_id;
foreach ( $group_by_status as $status => $comments ) {
// Sanity check. This shouldn't happen.
- if ( 'post-trashed' == $status )
+ if ( 'post-trashed' == $status ) {
$status = '0';
- $comments_in = implode( "', '", $comments );
- $wpdb->query( "UPDATE $wpdb->comments SET comment_approved = '$status' WHERE comment_ID IN ('" . $comments_in . "')" );
+ }
+ $comments_in = implode( ', ', array_map( 'intval', $comments ) );
+ $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->comments SET comment_approved = %s WHERE comment_ID IN ($comments_in)", $status ) );
}
clean_comment_cache( array_keys($statuses) );
delete_post_meta($post_id, '_wp_trash_meta_comments_status');
- do_action('untrashed_post_comments', $post_id);
+ /**
+ * Fires after comments are restored for a post from the trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'untrashed_post_comments', $post_id );
}
/**
*
* @since 2.1.0
*
- * @uses wp_get_object_terms() Retrieves the categories. Args details can be found here.
+ * @see wp_get_object_terms()
*
- * @param int $post_id Optional. The Post ID.
- * @param array $args Optional. Overwrite the defaults.
- * @return array
+ * @param int $post_id Optional. The Post ID. Does not default to the ID of the
+ * global $post. Default 0.
+ * @param array $args Optional. Category arguments. See wp_get_object_terms(). Default empty.
+ * @return array List of categories. If the `$fields` argument passed via `$args` is 'all' or
+ * 'all_with_object_id', an array of WP_Term objects will be returned. If `$fields`
+ * is 'ids', an array of category ids. If `$fields` is 'names', an array of category names.
*/
function wp_get_post_categories( $post_id = 0, $args = array() ) {
$post_id = (int) $post_id;
*
* There is only one default for this function, called 'fields' and by default
* is set to 'all'. There are other defaults that can be overridden in
- * {@link wp_get_object_terms()}.
+ * wp_get_object_terms().
*
- * @package WordPress
- * @subpackage Post
* @since 2.3.0
*
- * @uses wp_get_object_terms() Gets the tags for returning. Args can be found here
- *
- * @param int $post_id Optional. The Post ID
+ * @param int $post_id Optional. The Post ID. Does not default to the ID of the
+ * global $post. Default 0.
* @param array $args Optional. Overwrite the defaults
* @return array List of post tags.
*/
*
* There is only one default for this function, called 'fields' and by default
* is set to 'all'. There are other defaults that can be overridden in
- * {@link wp_get_object_terms()}.
+ * wp_get_object_terms().
*
- * @package WordPress
- * @subpackage Post
* @since 2.8.0
*
- * @uses wp_get_object_terms() Gets the tags for returning. Args can be found here
- *
- * @param int $post_id Optional. The Post ID
- * @param string $taxonomy The taxonomy for which to retrieve terms. Defaults to post_tag.
- * @param array $args Optional. Overwrite the defaults
- * @return array List of post tags.
+ * @param int $post_id Optional. The Post ID. Does not default to the ID of the
+ * global $post. Default 0.
+ * @param string $taxonomy Optional. The taxonomy for which to retrieve terms. Default 'post_tag'.
+ * @param array $args Optional. wp_get_object_terms() arguments. Default empty array.
+ * @return array|WP_Error List of post terms or empty array if no terms were found. WP_Error object
+ * if `$taxonomy` doesn't exist.
*/
function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) {
$post_id = (int) $post_id;
}
/**
- * Retrieve number of recent posts.
+ * Retrieve a number of recent posts.
*
* @since 1.0.0
- * @uses wp_parse_args()
- * @uses get_posts()
*
- * @param string $deprecated Deprecated.
- * @param array $args Optional. Overrides defaults.
- * @param string $output Optional.
- * @return unknown.
+ * @see get_posts()
+ *
+ * @param array $args Optional. Arguments to retrieve posts. Default empty array.
+ * @param string $output Optional. Type of output. Accepts ARRAY_A or ''. Default ARRAY_A.
+ * @return array|false Associative array if $output equals ARRAY_A, array or false if no results.
*/
function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) {
if ( is_numeric( $args ) ) {
- _deprecated_argument( __FUNCTION__, '3.1', __( 'Passing an integer number of posts is deprecated. Pass an array of arguments instead.' ) );
+ _deprecated_argument( __FUNCTION__, '3.1.0', __( 'Passing an integer number of posts is deprecated. Pass an array of arguments instead.' ) );
$args = array( 'numberposts' => absint( $args ) );
}
- // Set default arguments
+ // Set default arguments.
$defaults = array(
'numberposts' => 10, 'offset' => 0,
'category' => 0, 'orderby' => 'post_date',
$results = get_posts( $r );
- // Backward compatibility. Prior to 3.1 expected posts to be returned in array
+ // Backward compatibility. Prior to 3.1 expected posts to be returned in array.
if ( ARRAY_A == $output ){
- foreach( $results as $key => $result ) {
+ foreach ( $results as $key => $result ) {
$results[$key] = get_object_vars( $result );
}
return $results ? $results : array();
}
/**
- * Retrieve a single post, based on post ID.
- *
- * Has categories in 'post_category' property or key. Has tags in 'tags_input'
- * property or key.
- *
- * @since 1.0.0
- *
- * @param int $postid Post ID.
- * @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
- * @return object|array Post object or array holding post contents and information
- */
-function wp_get_single_post($postid = 0, $mode = OBJECT) {
- $postid = (int) $postid;
-
- $post = get_post($postid, $mode);
-
- if (
- ( OBJECT == $mode && empty( $post->ID ) ) ||
- ( OBJECT != $mode && empty( $post['ID'] ) )
- )
- return ( OBJECT == $mode ? null : array() );
-
- // Set categories and tags
- if ( $mode == OBJECT ) {
- $post->post_category = array();
- if ( is_object_in_taxonomy($post->post_type, 'category') )
- $post->post_category = wp_get_post_categories($postid);
- $post->tags_input = array();
- if ( is_object_in_taxonomy($post->post_type, 'post_tag') )
- $post->tags_input = wp_get_post_tags($postid, array('fields' => 'names'));
- } else {
- $post['post_category'] = array();
- if ( is_object_in_taxonomy($post['post_type'], 'category') )
- $post['post_category'] = wp_get_post_categories($postid);
- $post['tags_input'] = array();
- if ( is_object_in_taxonomy($post['post_type'], 'post_tag') )
- $post['tags_input'] = wp_get_post_tags($postid, array('fields' => 'names'));
- }
-
- return $post;
-}
-
-/**
- * Insert a post.
+ * Insert or update a post.
*
* If the $postarr parameter has 'ID' set to a value, then post will be updated.
*
- * You can set the post date manually, but setting the values for 'post_date'
+ * You can set the post date manually, by setting the values for 'post_date'
* and 'post_date_gmt' keys. You can close the comments or open the comments by
* setting the value for 'comment_status' key.
*
- * The defaults for the parameter $postarr are:
- * 'post_status' - Default is 'draft'.
- * 'post_type' - Default is 'post'.
- * 'post_author' - Default is current user ID ($user_ID). The ID of the user who added the post.
- * 'ping_status' - Default is the value in 'default_ping_status' option.
- * Whether the attachment can accept pings.
- * 'post_parent' - Default is 0. Set this for the post it belongs to, if any.
- * 'menu_order' - Default is 0. The order it is displayed.
- * 'to_ping' - Whether to ping.
- * 'pinged' - Default is empty string.
- * 'post_password' - Default is empty string. The password to access the attachment.
- * 'guid' - Global Unique ID for referencing the attachment.
- * 'post_content_filtered' - Post content filtered.
- * 'post_excerpt' - Post excerpt.
- *
* @since 1.0.0
- * @uses $wpdb
- * @uses $wp_rewrite
- * @uses $user_ID
- * @uses do_action() Calls 'pre_post_update' on post ID if this is an update.
- * @uses do_action() Calls 'edit_post' action on post ID and post data if this is an update.
- * @uses do_action() Calls 'save_post' and 'wp_insert_post' on post id and post data just before returning.
- * @uses apply_filters() Calls 'wp_insert_post_data' passing $data, $postarr prior to database update or insert.
- * @uses wp_transition_post_status()
- *
- * @param array $postarr Elements that make up post to insert.
- * @param bool $wp_error Optional. Allow return of WP_Error on failure.
- * @return int|WP_Error The value 0 or WP_Error on failure. The post ID on success.
- */
-function wp_insert_post($postarr, $wp_error = false) {
- global $wpdb, $wp_rewrite, $user_ID;
+ * @since 4.2.0 Support was added for encoding emoji in the post title, content, and excerpt.
+ * @since 4.4.0 A 'meta_input' array can now be passed to `$postarr` to add post meta data.
+ *
+ * @see sanitize_post()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $postarr {
+ * An array of elements that make up a post to update or insert.
+ *
+ * @type int $ID The post ID. If equal to something other than 0,
+ * the post with that ID will be updated. Default 0.
+ * @type int $post_author The ID of the user who added the post. Default is
+ * the current user ID.
+ * @type string $post_date The date of the post. Default is the current time.
+ * @type string $post_date_gmt The date of the post in the GMT timezone. Default is
+ * the value of `$post_date`.
+ * @type mixed $post_content The post content. Default empty.
+ * @type string $post_content_filtered The filtered post content. Default empty.
+ * @type string $post_title The post title. Default empty.
+ * @type string $post_excerpt The post excerpt. Default empty.
+ * @type string $post_status The post status. Default 'draft'.
+ * @type string $post_type The post type. Default 'post'.
+ * @type string $comment_status Whether the post can accept comments. Accepts 'open' or 'closed'.
+ * Default is the value of 'default_comment_status' option.
+ * @type string $ping_status Whether the post can accept pings. Accepts 'open' or 'closed'.
+ * Default is the value of 'default_ping_status' option.
+ * @type string $post_password The password to access the post. Default empty.
+ * @type string $post_name The post name. Default is the sanitized post title
+ * when creating a new post.
+ * @type string $to_ping Space or carriage return-separated list of URLs to ping.
+ * Default empty.
+ * @type string $pinged Space or carriage return-separated list of URLs that have
+ * been pinged. Default empty.
+ * @type string $post_modified The date when the post was last modified. Default is
+ * the current time.
+ * @type string $post_modified_gmt The date when the post was last modified in the GMT
+ * timezone. Default is the current time.
+ * @type int $post_parent Set this for the post it belongs to, if any. Default 0.
+ * @type int $menu_order The order the post should be displayed in. Default 0.
+ * @type string $post_mime_type The mime type of the post. Default empty.
+ * @type string $guid Global Unique ID for referencing the post. Default empty.
+ * @type array $post_category Array of category names, slugs, or IDs.
+ * Defaults to value of the 'default_category' option.
+ * @type array $tax_input Array of taxonomy terms keyed by their taxonomy name. Default empty.
+ * @type array $meta_input Array of post meta values keyed by their post meta key. Default empty.
+ * }
+ * @param bool $wp_error Optional. Whether to allow return of WP_Error on failure. Default false.
+ * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure.
+ */
+function wp_insert_post( $postarr, $wp_error = false ) {
+ global $wpdb;
+
+ $user_id = get_current_user_id();
- $defaults = array('post_status' => 'draft', 'post_type' => 'post', 'post_author' => $user_ID,
- 'ping_status' => get_option('default_ping_status'), 'post_parent' => 0,
- 'menu_order' => 0, 'to_ping' => '', 'pinged' => '', 'post_password' => '',
- 'guid' => '', 'post_content_filtered' => '', 'post_excerpt' => '', 'import_id' => 0,
- 'post_content' => '', 'post_title' => '');
+ $defaults = array(
+ 'post_author' => $user_id,
+ 'post_content' => '',
+ 'post_content_filtered' => '',
+ 'post_title' => '',
+ 'post_excerpt' => '',
+ 'post_status' => 'draft',
+ 'post_type' => 'post',
+ 'comment_status' => '',
+ 'ping_status' => '',
+ 'post_password' => '',
+ 'to_ping' => '',
+ 'pinged' => '',
+ 'post_parent' => 0,
+ 'menu_order' => 0,
+ 'guid' => '',
+ 'import_id' => 0,
+ 'context' => '',
+ );
$postarr = wp_parse_args($postarr, $defaults);
$postarr = sanitize_post($postarr, 'db');
- // export array as variables
- extract($postarr, EXTR_SKIP);
-
// Are we updating or creating?
+ $post_ID = 0;
$update = false;
- if ( !empty($ID) ) {
+ $guid = $postarr['guid'];
+
+ if ( ! empty( $postarr['ID'] ) ) {
$update = true;
- $previous_status = get_post_field('post_status', $ID);
+
+ // Get the post ID and GUID.
+ $post_ID = $postarr['ID'];
+ $post_before = get_post( $post_ID );
+ if ( is_null( $post_before ) ) {
+ if ( $wp_error ) {
+ return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
+ }
+ return 0;
+ }
+
+ $guid = get_post_field( 'guid', $post_ID );
+ $previous_status = get_post_field('post_status', $post_ID );
} else {
$previous_status = 'new';
}
- $maybe_empty = ! $post_content && ! $post_title && ! $post_excerpt && post_type_supports( $post_type, 'editor' )
- && post_type_supports( $post_type, 'title' ) && post_type_supports( $post_type, 'excerpt' );
+ $post_type = empty( $postarr['post_type'] ) ? 'post' : $postarr['post_type'];
+
+ $post_title = $postarr['post_title'];
+ $post_content = $postarr['post_content'];
+ $post_excerpt = $postarr['post_excerpt'];
+ if ( isset( $postarr['post_name'] ) ) {
+ $post_name = $postarr['post_name'];
+ } elseif ( $update ) {
+ // For an update, don't modify the post_name if it wasn't supplied as an argument.
+ $post_name = $post_before->post_name;
+ }
+
+ $maybe_empty = 'attachment' !== $post_type
+ && ! $post_content && ! $post_title && ! $post_excerpt
+ && post_type_supports( $post_type, 'editor' )
+ && post_type_supports( $post_type, 'title' )
+ && post_type_supports( $post_type, 'excerpt' );
+
+ /**
+ * Filters whether the post should be considered "empty".
+ *
+ * The post is considered "empty" if both:
+ * 1. The post type supports the title, editor, and excerpt fields
+ * 2. The title, editor, and excerpt fields are all empty
+ *
+ * Returning a truthy value to the filter will effectively short-circuit
+ * the new post being inserted, returning 0. If $wp_error is true, a WP_Error
+ * will be returned instead.
+ *
+ * @since 3.3.0
+ *
+ * @param bool $maybe_empty Whether the post should be considered "empty".
+ * @param array $postarr Array of post data.
+ */
if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) {
- if ( $wp_error )
+ if ( $wp_error ) {
return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) );
- else
+ } else {
return 0;
+ }
}
- if ( empty($post_type) )
- $post_type = 'post';
-
- if ( empty($post_status) )
- $post_status = 'draft';
+ $post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status'];
+ if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash' ) ) ) {
+ $post_status = 'inherit';
+ }
- if ( !empty($post_category) )
- $post_category = array_filter($post_category); // Filter out empty terms
+ if ( ! empty( $postarr['post_category'] ) ) {
+ // Filter out empty terms.
+ $post_category = array_filter( $postarr['post_category'] );
+ }
// Make sure we set a valid category.
- if ( empty($post_category) || 0 == count($post_category) || !is_array($post_category) ) {
+ if ( empty( $post_category ) || 0 == count( $post_category ) || ! is_array( $post_category ) ) {
// 'post' requires at least one category.
- if ( 'post' == $post_type && 'auto-draft' != $post_status )
+ if ( 'post' == $post_type && 'auto-draft' != $post_status ) {
$post_category = array( get_option('default_category') );
- else
+ } else {
$post_category = array();
+ }
}
- if ( empty($post_author) )
- $post_author = $user_ID;
-
- $post_ID = 0;
-
- // Get the post ID and GUID
- if ( $update ) {
- $post_ID = (int) $ID;
- $guid = get_post_field( 'guid', $post_ID );
- $post_before = get_post($post_ID);
- }
-
- // Don't allow contributors to set the post slug for pending review posts
- if ( 'pending' == $post_status && !current_user_can( 'publish_posts' ) )
+ // Don't allow contributors to set the post slug for pending review posts.
+ if ( 'pending' == $post_status && !current_user_can( 'publish_posts' ) ) {
$post_name = '';
+ }
- // Create a valid post name. Drafts and pending posts are allowed to have an empty
- // post name.
+ /*
+ * Create a valid post name. Drafts and pending posts are allowed to have
+ * an empty post name.
+ */
if ( empty($post_name) ) {
- if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) )
+ if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {
$post_name = sanitize_title($post_title);
- else
+ } else {
$post_name = '';
+ }
} else {
// On updates, we need to check to see if it's using the old, fixed sanitization context.
$check_name = sanitize_title( $post_name, '', 'old-save' );
- if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $ID ) == $check_name )
+ if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $post_ID ) == $check_name ) {
$post_name = $check_name;
- else // new post, or slug has changed.
+ } else { // new post, or slug has changed.
$post_name = sanitize_title($post_name);
+ }
}
- // If the post date is empty (due to having been new or a draft) and status is not 'draft' or 'pending', set date to now
- if ( empty($post_date) || '0000-00-00 00:00:00' == $post_date )
- $post_date = current_time('mysql');
+ /*
+ * If the post date is empty (due to having been new or a draft) and status
+ * is not 'draft' or 'pending', set date to now.
+ */
+ if ( empty( $postarr['post_date'] ) || '0000-00-00 00:00:00' == $postarr['post_date'] ) {
+ if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) {
+ $post_date = current_time( 'mysql' );
+ } else {
+ $post_date = get_date_from_gmt( $postarr['post_date_gmt'] );
+ }
+ } else {
+ $post_date = $postarr['post_date'];
+ }
- if ( empty($post_date_gmt) || '0000-00-00 00:00:00' == $post_date_gmt ) {
- if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) )
- $post_date_gmt = get_gmt_from_date($post_date);
- else
+ // Validate the date.
+ $mm = substr( $post_date, 5, 2 );
+ $jj = substr( $post_date, 8, 2 );
+ $aa = substr( $post_date, 0, 4 );
+ $valid_date = wp_checkdate( $mm, $jj, $aa, $post_date );
+ if ( ! $valid_date ) {
+ if ( $wp_error ) {
+ return new WP_Error( 'invalid_date', __( 'Whoops, the provided date is invalid.' ) );
+ } else {
+ return 0;
+ }
+ }
+
+ if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) {
+ if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {
+ $post_date_gmt = get_gmt_from_date( $post_date );
+ } else {
$post_date_gmt = '0000-00-00 00:00:00';
+ }
+ } else {
+ $post_date_gmt = $postarr['post_date_gmt'];
}
if ( $update || '0000-00-00 00:00:00' == $post_date ) {
$post_modified_gmt = $post_date_gmt;
}
- if ( 'publish' == $post_status ) {
- $now = gmdate('Y-m-d H:i:59');
- if ( mysql2date('U', $post_date_gmt, false) > mysql2date('U', $now, false) )
- $post_status = 'future';
- } elseif( 'future' == $post_status ) {
- $now = gmdate('Y-m-d H:i:59');
- if ( mysql2date('U', $post_date_gmt, false) <= mysql2date('U', $now, false) )
- $post_status = 'publish';
+ if ( 'attachment' !== $post_type ) {
+ if ( 'publish' == $post_status ) {
+ $now = gmdate('Y-m-d H:i:59');
+ if ( mysql2date('U', $post_date_gmt, false) > mysql2date('U', $now, false) ) {
+ $post_status = 'future';
+ }
+ } elseif ( 'future' == $post_status ) {
+ $now = gmdate('Y-m-d H:i:59');
+ if ( mysql2date('U', $post_date_gmt, false) <= mysql2date('U', $now, false) ) {
+ $post_status = 'publish';
+ }
+ }
}
- if ( empty($comment_status) ) {
- if ( $update )
+ // Comment status.
+ if ( empty( $postarr['comment_status'] ) ) {
+ if ( $update ) {
$comment_status = 'closed';
- else
- $comment_status = get_option('default_comment_status');
+ } else {
+ $comment_status = get_default_comment_status( $post_type );
+ }
+ } else {
+ $comment_status = $postarr['comment_status'];
}
- if ( empty($ping_status) )
- $ping_status = get_option('default_ping_status');
- if ( isset($to_ping) )
- $to_ping = preg_replace('|\s+|', "\n", $to_ping);
- else
- $to_ping = '';
+ // These variables are needed by compact() later.
+ $post_content_filtered = $postarr['post_content_filtered'];
+ $post_author = isset( $postarr['post_author'] ) ? $postarr['post_author'] : $user_id;
+ $ping_status = empty( $postarr['ping_status'] ) ? get_default_comment_status( $post_type, 'pingback' ) : $postarr['ping_status'];
+ $to_ping = isset( $postarr['to_ping'] ) ? sanitize_trackback_urls( $postarr['to_ping'] ) : '';
+ $pinged = isset( $postarr['pinged'] ) ? $postarr['pinged'] : '';
+ $import_id = isset( $postarr['import_id'] ) ? $postarr['import_id'] : 0;
+
+ /*
+ * The 'wp_insert_post_parent' filter expects all variables to be present.
+ * Previously, these variables would have already been extracted
+ */
+ if ( isset( $postarr['menu_order'] ) ) {
+ $menu_order = (int) $postarr['menu_order'];
+ } else {
+ $menu_order = 0;
+ }
- if ( ! isset($pinged) )
- $pinged = '';
+ $post_password = isset( $postarr['post_password'] ) ? $postarr['post_password'] : '';
+ if ( 'private' == $post_status ) {
+ $post_password = '';
+ }
- if ( isset($post_parent) )
- $post_parent = (int) $post_parent;
- else
+ if ( isset( $postarr['post_parent'] ) ) {
+ $post_parent = (int) $postarr['post_parent'];
+ } else {
$post_parent = 0;
+ }
- // Check the post_parent to see if it will cause a hierarchy loop
+ /**
+ * Filters the post parent -- used to check for and prevent hierarchy loops.
+ *
+ * @since 3.1.0
+ *
+ * @param int $post_parent Post parent ID.
+ * @param int $post_ID Post ID.
+ * @param array $new_postarr Array of parsed post data.
+ * @param array $postarr Array of sanitized, but otherwise unmodified post data.
+ */
$post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, compact( array_keys( $postarr ) ), $postarr );
- if ( isset($menu_order) )
- $menu_order = (int) $menu_order;
- else
- $menu_order = 0;
+ /*
+ * If the post is being untrashed and it has a desired slug stored in post meta,
+ * reassign it.
+ */
+ if ( 'trash' === $previous_status && 'trash' !== $post_status ) {
+ $desired_post_slug = get_post_meta( $post_ID, '_wp_desired_post_slug', true );
+ if ( $desired_post_slug ) {
+ delete_post_meta( $post_ID, '_wp_desired_post_slug' );
+ $post_name = $desired_post_slug;
+ }
+ }
- if ( !isset($post_password) || 'private' == $post_status )
- $post_password = '';
+ // If a trashed post has the desired slug, change it and let this post have it.
+ if ( 'trash' !== $post_status && $post_name ) {
+ wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID );
+ }
+
+ // When trashing an existing post, change its slug to allow non-trashed posts to use it.
+ if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) {
+ $post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_ID );
+ }
- $post_name = wp_unique_post_slug($post_name, $post_ID, $post_status, $post_type, $post_parent);
+ $post_name = wp_unique_post_slug( $post_name, $post_ID, $post_status, $post_type, $post_parent );
- // expected_slashed (everything!)
- $data = compact( array( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'guid' ) );
- $data = apply_filters('wp_insert_post_data', $data, $postarr);
- $data = stripslashes_deep( $data );
+ // Don't unslash.
+ $post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : '';
+
+ // Expected_slashed (everything!).
+ $data = compact( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' );
+
+ $emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' );
+
+ foreach ( $emoji_fields as $emoji_field ) {
+ if ( isset( $data[ $emoji_field ] ) ) {
+ $charset = $wpdb->get_col_charset( $wpdb->posts, $emoji_field );
+ if ( 'utf8' === $charset ) {
+ $data[ $emoji_field ] = wp_encode_emoji( $data[ $emoji_field ] );
+ }
+ }
+ }
+
+ if ( 'attachment' === $post_type ) {
+ /**
+ * Filters attachment post data before it is updated in or added to the database.
+ *
+ * @since 3.9.0
+ *
+ * @param array $data An array of sanitized attachment post data.
+ * @param array $postarr An array of unsanitized attachment post data.
+ */
+ $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr );
+ } else {
+ /**
+ * Filters slashed post data just before it is inserted into the database.
+ *
+ * @since 2.7.0
+ *
+ * @param array $data An array of slashed post data.
+ * @param array $postarr An array of sanitized, but otherwise unmodified post data.
+ */
+ $data = apply_filters( 'wp_insert_post_data', $data, $postarr );
+ }
+ $data = wp_unslash( $data );
$where = array( 'ID' => $post_ID );
if ( $update ) {
- do_action( 'pre_post_update', $post_ID );
+ /**
+ * Fires immediately before an existing post is updated in the database.
+ *
+ * @since 2.5.0
+ *
+ * @param int $post_ID Post ID.
+ * @param array $data Array of unslashed post data.
+ */
+ do_action( 'pre_post_update', $post_ID, $data );
if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) {
- if ( $wp_error )
+ if ( $wp_error ) {
return new WP_Error('db_update_error', __('Could not update post in the database'), $wpdb->last_error);
- else
+ } else {
return 0;
+ }
}
} else {
- if ( isset($post_mime_type) )
- $data['post_mime_type'] = stripslashes( $post_mime_type ); // This isn't in the update
- // If there is a suggested ID, use it if not already present
- if ( !empty($import_id) ) {
+ // If there is a suggested ID, use it if not already present.
+ if ( ! empty( $import_id ) ) {
$import_id = (int) $import_id;
if ( ! $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id) ) ) {
$data['ID'] = $import_id;
}
}
if ( false === $wpdb->insert( $wpdb->posts, $data ) ) {
- if ( $wp_error )
+ if ( $wp_error ) {
return new WP_Error('db_insert_error', __('Could not insert post into the database'), $wpdb->last_error);
- else
+ } else {
return 0;
+ }
}
$post_ID = (int) $wpdb->insert_id;
- // use the newly generated $post_ID
+ // Use the newly generated $post_ID.
$where = array( 'ID' => $post_ID );
}
- if ( empty($data['post_name']) && !in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ) ) ) {
- $data['post_name'] = sanitize_title($data['post_title'], $post_ID);
+ if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ) ) ) {
+ $data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_ID ), $post_ID, $data['post_status'], $post_type, $post_parent );
$wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where );
+ clean_post_cache( $post_ID );
}
- if ( is_object_in_taxonomy($post_type, 'category') )
+ if ( is_object_in_taxonomy( $post_type, 'category' ) ) {
wp_set_post_categories( $post_ID, $post_category );
+ }
- if ( isset( $tags_input ) && is_object_in_taxonomy($post_type, 'post_tag') )
- wp_set_post_tags( $post_ID, $tags_input );
+ if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) {
+ wp_set_post_tags( $post_ID, $postarr['tags_input'] );
+ }
- // new-style support for all custom taxonomies
- if ( !empty($tax_input) ) {
- foreach ( $tax_input as $taxonomy => $tags ) {
+ // New-style support for all custom taxonomies.
+ if ( ! empty( $postarr['tax_input'] ) ) {
+ foreach ( $postarr['tax_input'] as $taxonomy => $tags ) {
$taxonomy_obj = get_taxonomy($taxonomy);
- if ( is_array($tags) ) // array = hierarchical, string = non-hierarchical.
+ if ( ! $taxonomy_obj ) {
+ /* translators: %s: taxonomy name */
+ _doing_it_wrong( __FUNCTION__, sprintf( __( 'Invalid taxonomy: %s.' ), $taxonomy ), '4.4.0' );
+ continue;
+ }
+
+ // array = hierarchical, string = non-hierarchical.
+ if ( is_array( $tags ) ) {
$tags = array_filter($tags);
- if ( current_user_can($taxonomy_obj->cap->assign_terms) )
+ }
+ if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
wp_set_post_terms( $post_ID, $tags, $taxonomy );
+ }
}
}
- $current_guid = get_post_field( 'guid', $post_ID );
+ if ( ! empty( $postarr['meta_input'] ) ) {
+ foreach ( $postarr['meta_input'] as $field => $value ) {
+ update_post_meta( $post_ID, $field, $value );
+ }
+ }
- if ( 'page' == $data['post_type'] )
- clean_page_cache($post_ID);
- else
- clean_post_cache($post_ID);
+ $current_guid = get_post_field( 'guid', $post_ID );
- // Set GUID
- if ( !$update && '' == $current_guid )
+ // Set GUID.
+ if ( ! $update && '' == $current_guid ) {
$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where );
+ }
+
+ if ( 'attachment' === $postarr['post_type'] ) {
+ if ( ! empty( $postarr['file'] ) ) {
+ update_attached_file( $post_ID, $postarr['file'] );
+ }
+
+ if ( ! empty( $postarr['context'] ) ) {
+ add_post_meta( $post_ID, '_wp_attachment_context', $postarr['context'], true );
+ }
+ }
+
+ // Set or remove featured image.
+ if ( isset( $postarr['_thumbnail_id'] ) ) {
+ $thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type;
+ if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) {
+ if ( wp_attachment_is( 'audio', $post_ID ) ) {
+ $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
+ } elseif ( wp_attachment_is( 'video', $post_ID ) ) {
+ $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
+ }
+ }
+
+ if ( $thumbnail_support ) {
+ $thumbnail_id = intval( $postarr['_thumbnail_id'] );
+ if ( -1 === $thumbnail_id ) {
+ delete_post_thumbnail( $post_ID );
+ } else {
+ set_post_thumbnail( $post_ID, $thumbnail_id );
+ }
+ }
+ }
+
+ clean_post_cache( $post_ID );
- $post = get_post($post_ID);
+ $post = get_post( $post_ID );
- if ( !empty($page_template) && 'page' == $data['post_type'] ) {
- $post->page_template = $page_template;
- $page_templates = get_page_templates();
- if ( 'default' != $page_template && !in_array($page_template, $page_templates) ) {
- if ( $wp_error )
+ if ( ! empty( $postarr['page_template'] ) && 'page' == $data['post_type'] ) {
+ $post->page_template = $postarr['page_template'];
+ $page_templates = wp_get_theme()->get_page_templates( $post );
+ if ( 'default' != $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) {
+ if ( $wp_error ) {
return new WP_Error('invalid_page_template', __('The page template is invalid.'));
- else
- return 0;
+ }
+ update_post_meta( $post_ID, '_wp_page_template', 'default' );
+ } else {
+ update_post_meta( $post_ID, '_wp_page_template', $postarr['page_template'] );
}
- update_post_meta($post_ID, '_wp_page_template', $page_template);
}
- wp_transition_post_status($data['post_status'], $previous_status, $post);
+ if ( 'attachment' !== $postarr['post_type'] ) {
+ wp_transition_post_status( $data['post_status'], $previous_status, $post );
+ } else {
+ if ( $update ) {
+ /**
+ * Fires once an existing attachment has been updated.
+ *
+ * @since 2.0.0
+ *
+ * @param int $post_ID Attachment ID.
+ */
+ do_action( 'edit_attachment', $post_ID );
+ $post_after = get_post( $post_ID );
+
+ /**
+ * Fires once an existing attachment has been updated.
+ *
+ * @since 4.4.0
+ *
+ * @param int $post_ID Post ID.
+ * @param WP_Post $post_after Post object following the update.
+ * @param WP_Post $post_before Post object before the update.
+ */
+ do_action( 'attachment_updated', $post_ID, $post_after, $post_before );
+ } else {
+
+ /**
+ * Fires once an attachment has been added.
+ *
+ * @since 2.0.0
+ *
+ * @param int $post_ID Attachment ID.
+ */
+ do_action( 'add_attachment', $post_ID );
+ }
+
+ return $post_ID;
+ }
if ( $update ) {
- do_action('edit_post', $post_ID, $post);
+ /**
+ * Fires once an existing post has been updated.
+ *
+ * @since 1.2.0
+ *
+ * @param int $post_ID Post ID.
+ * @param WP_Post $post Post object.
+ */
+ do_action( 'edit_post', $post_ID, $post );
$post_after = get_post($post_ID);
+
+ /**
+ * Fires once an existing post has been updated.
+ *
+ * @since 3.0.0
+ *
+ * @param int $post_ID Post ID.
+ * @param WP_Post $post_after Post object following the update.
+ * @param WP_Post $post_before Post object before the update.
+ */
do_action( 'post_updated', $post_ID, $post_after, $post_before);
}
- do_action('save_post', $post_ID, $post);
- do_action('wp_insert_post', $post_ID, $post);
+ /**
+ * Fires once a post has been saved.
+ *
+ * The dynamic portion of the hook name, `$post->post_type`, refers to
+ * the post type slug.
+ *
+ * @since 3.7.0
+ *
+ * @param int $post_ID Post ID.
+ * @param WP_Post $post Post object.
+ * @param bool $update Whether this is an existing post being updated or not.
+ */
+ do_action( "save_post_{$post->post_type}", $post_ID, $post, $update );
+
+ /**
+ * Fires once a post has been saved.
+ *
+ * @since 1.5.0
+ *
+ * @param int $post_ID Post ID.
+ * @param WP_Post $post Post object.
+ * @param bool $update Whether this is an existing post being updated or not.
+ */
+ do_action( 'save_post', $post_ID, $post, $update );
+
+ /**
+ * Fires once a post has been saved.
+ *
+ * @since 2.0.0
+ *
+ * @param int $post_ID Post ID.
+ * @param WP_Post $post Post object.
+ * @param bool $update Whether this is an existing post being updated or not.
+ */
+ do_action( 'wp_insert_post', $post_ID, $post, $update );
return $post_ID;
}
*
* @since 1.0.0
*
- * @param array|object $postarr Post data. Arrays are expected to be escaped, objects are not.
- * @return int 0 on failure, Post ID on success.
+ * @param array|object $postarr Optional. Post data. Arrays are expected to be escaped,
+ * objects are not. Default array.
+ * @param bool $wp_error Optional. Allow return of WP_Error on failure. Default false.
+ * @return int|WP_Error The value 0 or WP_Error on failure. The post ID on success.
*/
-function wp_update_post($postarr = array()) {
+function wp_update_post( $postarr = array(), $wp_error = false ) {
if ( is_object($postarr) ) {
- // non-escaped post was passed
+ // Non-escaped post was passed.
$postarr = get_object_vars($postarr);
- $postarr = add_magic_quotes($postarr);
+ $postarr = wp_slash($postarr);
}
- // First, get all of the original fields
- $post = wp_get_single_post($postarr['ID'], ARRAY_A);
+ // First, get all of the original fields.
+ $post = get_post($postarr['ID'], ARRAY_A);
+
+ if ( is_null( $post ) ) {
+ if ( $wp_error )
+ return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
+ return 0;
+ }
// Escape data pulled from DB.
- $post = add_magic_quotes($post);
+ $post = wp_slash($post);
// Passed post category list overwrites existing category list if not empty.
if ( isset($postarr['post_category']) && is_array($postarr['post_category'])
else
$post_cats = $post['post_category'];
- // Drafts shouldn't be assigned a date unless explicitly done so by the user
+ // Drafts shouldn't be assigned a date unless explicitly done so by the user.
if ( isset( $post['post_status'] ) && in_array($post['post_status'], array('draft', 'pending', 'auto-draft')) && empty($postarr['edit_date']) &&
('0000-00-00 00:00:00' == $post['post_date_gmt']) )
$clear_date = true;
if ($postarr['post_type'] == 'attachment')
return wp_insert_attachment($postarr);
- return wp_insert_post($postarr);
+ return wp_insert_post( $postarr, $wp_error );
}
/**
* Publish a post by transitioning the post status.
*
* @since 2.1.0
- * @uses $wpdb
- * @uses do_action() Calls 'edit_post', 'save_post', and 'wp_insert_post' on post_id and post data.
*
- * @param int $post_id Post ID.
- * @return null
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int|WP_Post $post Post ID or post object.
*/
-function wp_publish_post($post_id) {
+function wp_publish_post( $post ) {
global $wpdb;
- $post = get_post($post_id);
-
- if ( empty($post) )
+ if ( ! $post = get_post( $post ) )
return;
if ( 'publish' == $post->post_status )
return;
- $wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post_id ) );
+ $wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post->ID ) );
+
+ clean_post_cache( $post->ID );
$old_status = $post->post_status;
$post->post_status = 'publish';
- wp_transition_post_status('publish', $old_status, $post);
+ wp_transition_post_status( 'publish', $old_status, $post );
+
+ /** This action is documented in wp-includes/post.php */
+ do_action( 'edit_post', $post->ID, $post );
+
+ /** This action is documented in wp-includes/post.php */
+ do_action( "save_post_{$post->post_type}", $post->ID, $post, true );
+
+ /** This action is documented in wp-includes/post.php */
+ do_action( 'save_post', $post->ID, $post, true );
- do_action('edit_post', $post_id, $post);
- do_action('save_post', $post_id, $post);
- do_action('wp_insert_post', $post_id, $post);
+ /** This action is documented in wp-includes/post.php */
+ do_action( 'wp_insert_post', $post->ID, $post, true );
}
/**
*
* @since 2.5.0
*
- * @param int $post_id Post ID.
- * @return null Nothing is returned. Which can mean that no action is required or post was published.
+ * @param int|WP_Post $post_id Post ID or post object.
*/
-function check_and_publish_future_post($post_id) {
-
+function check_and_publish_future_post( $post_id ) {
$post = get_post($post_id);
if ( empty($post) )
$time = strtotime( $post->post_date_gmt . ' GMT' );
- if ( $time > time() ) { // Uh oh, someone jumped the gun!
+ // Uh oh, someone jumped the gun!
+ if ( $time > time() ) {
wp_clear_scheduled_hook( 'publish_future_post', array( $post_id ) ); // clear anything else in the system
wp_schedule_single_event( $time, 'publish_future_post', array( $post_id ) );
return;
}
- return wp_publish_post($post_id);
+ // wp_publish_post() returns no meaningful value.
+ wp_publish_post( $post_id );
}
-
/**
* Computes a unique slug for the post, when given the desired slug and some post details.
*
* @since 2.8.0
*
- * @global wpdb $wpdb
+ * @global wpdb $wpdb WordPress database abstraction object.
* @global WP_Rewrite $wp_rewrite
- * @param string $slug the desired slug (post_name)
- * @param integer $post_ID
- * @param string $post_status no uniqueness checks are made if the post is still draft or pending
- * @param string $post_type
- * @param integer $post_parent
- * @return string unique slug for the post, based on $post_name (with a -1, -2, etc. suffix)
+ *
+ * @param string $slug The desired slug (post_name).
+ * @param int $post_ID Post ID.
+ * @param string $post_status No uniqueness checks are made if the post is still draft or pending.
+ * @param string $post_type Post type.
+ * @param int $post_parent Post parent ID.
+ * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix)
*/
function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_parent ) {
- if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) )
+ if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) || ( 'inherit' == $post_status && 'revision' == $post_type ) )
return $slug;
global $wpdb, $wp_rewrite;
+ $original_slug = $slug;
+
$feeds = $wp_rewrite->feeds;
if ( ! is_array( $feeds ) )
$feeds = array();
- $hierarchical_post_types = get_post_types( array('hierarchical' => true) );
if ( 'attachment' == $post_type ) {
// Attachment slugs must be unique across all types.
$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1";
$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID ) );
- if ( $post_name_check || in_array( $slug, $feeds ) || apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug ) ) {
+ /**
+ * Filters whether the post slug would make a bad attachment slug.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $bad_slug Whether the slug would be bad as an attachment slug.
+ * @param string $slug The post slug.
+ */
+ if ( $post_name_check || in_array( $slug, $feeds ) || 'embed' === $slug || apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug ) ) {
$suffix = 2;
do {
- $alt_post_name = substr ($slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
- $post_name_check = $wpdb->get_var( $wpdb->prepare($check_sql, $alt_post_name, $post_ID ) );
+ $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
+ $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID ) );
$suffix++;
} while ( $post_name_check );
$slug = $alt_post_name;
}
- } elseif ( in_array( $post_type, $hierarchical_post_types ) ) {
- // Page slugs must be unique within their own trees. Pages are in a separate
- // namespace than posts so page slugs are allowed to overlap post slugs.
- $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( '" . implode( "', '", esc_sql( $hierarchical_post_types ) ) . "' ) AND ID != %d AND post_parent = %d LIMIT 1";
- $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID, $post_parent ) );
-
- if ( $post_name_check || in_array( $slug, $feeds ) || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug ) || apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ) ) {
+ } elseif ( is_post_type_hierarchical( $post_type ) ) {
+ if ( 'nav_menu_item' == $post_type )
+ return $slug;
+
+ /*
+ * Page slugs must be unique within their own trees. Pages are in a separate
+ * namespace than posts so page slugs are allowed to overlap post slugs.
+ */
+ $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1";
+ $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID, $post_parent ) );
+
+ /**
+ * Filters whether the post slug would make a bad hierarchical post slug.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $bad_slug Whether the post slug would be bad in a hierarchical post context.
+ * @param string $slug The post slug.
+ * @param string $post_type Post type.
+ * @param int $post_parent Post parent ID.
+ */
+ if ( $post_name_check || in_array( $slug, $feeds ) || 'embed' === $slug || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug ) || apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ) ) {
$suffix = 2;
do {
- $alt_post_name = substr( $slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
- $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID, $post_parent ) );
+ $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
+ $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID, $post_parent ) );
$suffix++;
} while ( $post_name_check );
$slug = $alt_post_name;
$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1";
$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID ) );
- if ( $post_name_check || in_array( $slug, $feeds ) || apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ) ) {
+ // Prevent new post slugs that could result in URLs that conflict with date archives.
+ $post = get_post( $post_ID );
+ $conflicts_with_date_archive = false;
+ if ( 'post' === $post_type && ( ! $post || $post->post_name !== $slug ) && preg_match( '/^[0-9]+$/', $slug ) && $slug_num = intval( $slug ) ) {
+ $permastructs = array_values( array_filter( explode( '/', get_option( 'permalink_structure' ) ) ) );
+ $postname_index = array_search( '%postname%', $permastructs );
+
+ /*
+ * Potential date clashes are as follows:
+ *
+ * - Any integer in the first permastruct position could be a year.
+ * - An integer between 1 and 12 that follows 'year' conflicts with 'monthnum'.
+ * - An integer between 1 and 31 that follows 'monthnum' conflicts with 'day'.
+ */
+ if ( 0 === $postname_index ||
+ ( $postname_index && '%year%' === $permastructs[ $postname_index - 1 ] && 13 > $slug_num ) ||
+ ( $postname_index && '%monthnum%' === $permastructs[ $postname_index - 1 ] && 32 > $slug_num )
+ ) {
+ $conflicts_with_date_archive = true;
+ }
+ }
+
+ /**
+ * Filters whether the post slug would be bad as a flat slug.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $bad_slug Whether the post slug would be bad as a flat slug.
+ * @param string $slug The post slug.
+ * @param string $post_type Post type.
+ */
+ if ( $post_name_check || in_array( $slug, $feeds ) || 'embed' === $slug || $conflicts_with_date_archive || apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ) ) {
$suffix = 2;
do {
- $alt_post_name = substr( $slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
+ $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) );
$suffix++;
} while ( $post_name_check );
}
}
- return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent );
+ /**
+ * Filters the unique post slug.
+ *
+ * @since 3.3.0
+ *
+ * @param string $slug The post slug.
+ * @param int $post_ID Post ID.
+ * @param string $post_status The post status.
+ * @param string $post_type Post type.
+ * @param int $post_parent Post parent ID
+ * @param string $original_slug The original post slug.
+ */
+ return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug );
}
/**
- * Adds tags to a post.
+ * Truncate a post slug.
*
- * @uses wp_set_post_tags() Same first two parameters, but the last parameter is always set to true.
+ * @since 3.6.0
+ * @access private
+ *
+ * @see utf8_uri_encode()
+ *
+ * @param string $slug The slug to truncate.
+ * @param int $length Optional. Max length of the slug. Default 200 (characters).
+ * @return string The truncated slug.
+ */
+function _truncate_post_slug( $slug, $length = 200 ) {
+ if ( strlen( $slug ) > $length ) {
+ $decoded_slug = urldecode( $slug );
+ if ( $decoded_slug === $slug )
+ $slug = substr( $slug, 0, $length );
+ else
+ $slug = utf8_uri_encode( $decoded_slug, $length );
+ }
+
+ return rtrim( $slug, '-' );
+}
+
+/**
+ * Add tags to a post.
+ *
+ * @see wp_set_post_tags()
*
- * @package WordPress
- * @subpackage Post
* @since 2.3.0
*
- * @param int $post_id Post ID
- * @param string $tags The tags to set for the post, separated by commas.
- * @return bool|null Will return false if $post_id is not an integer or is 0. Will return null otherwise
+ * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post.
+ * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags
+ * separated by commas. Default empty.
+ * @return array|false|WP_Error Array of affected term IDs. WP_Error or false on failure.
*/
-function wp_add_post_tags($post_id = 0, $tags = '') {
+function wp_add_post_tags( $post_id = 0, $tags = '' ) {
return wp_set_post_tags($post_id, $tags, true);
}
-
/**
* Set the tags for a post.
*
* @since 2.3.0
- * @uses wp_set_object_terms() Sets the tags for the post.
*
- * @param int $post_id Post ID.
- * @param string $tags The tags to set for the post, separated by commas.
- * @param bool $append If true, don't delete existing tags, just add on. If false, replace the tags with the new tags.
- * @return mixed Array of affected term IDs. WP_Error or false on failure.
+ * @see wp_set_object_terms()
+ *
+ * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post.
+ * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags
+ * separated by commas. Default empty.
+ * @param bool $append Optional. If true, don't delete existing tags, just add on. If false,
+ * replace the tags with the new tags. Default false.
+ * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure.
*/
function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) {
return wp_set_post_terms( $post_id, $tags, 'post_tag', $append);
* Set the terms for a post.
*
* @since 2.8.0
- * @uses wp_set_object_terms() Sets the tags for the post.
*
- * @param int $post_id Post ID.
- * @param string $tags The tags to set for the post, separated by commas.
- * @param bool $append If true, don't delete existing tags, just add on. If false, replace the tags with the new tags.
- * @return mixed Array of affected term IDs. WP_Error or false on failure.
+ * @see wp_set_object_terms()
+ *
+ * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post.
+ * @param string|array $tags Optional. An array of terms to set for the post, or a string of terms
+ * separated by commas. Default empty.
+ * @param string $taxonomy Optional. Taxonomy name. Default 'post_tag'.
+ * @param bool $append Optional. If true, don't delete existing terms, just add on. If false,
+ * replace the terms with the new terms. Default false.
+ * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure.
*/
function wp_set_post_terms( $post_id = 0, $tags = '', $taxonomy = 'post_tag', $append = false ) {
$post_id = (int) $post_id;
if ( empty($tags) )
$tags = array();
- $tags = is_array($tags) ? $tags : explode( ',', trim($tags, " \n\t\r\0\x0B,") );
+ if ( ! is_array( $tags ) ) {
+ $comma = _x( ',', 'tag delimiter' );
+ if ( ',' !== $comma )
+ $tags = str_replace( $comma, ',', $tags );
+ $tags = explode( ',', trim( $tags, " \n\t\r\0\x0B," ) );
+ }
- // Hierarchical taxonomies must always pass IDs rather than names so that children with the same
- // names but different parents aren't confused.
+ /*
+ * Hierarchical taxonomies must always pass IDs rather than names so that
+ * children with the same names but different parents aren't confused.
+ */
if ( is_taxonomy_hierarchical( $taxonomy ) ) {
- $tags = array_map( 'intval', $tags );
- $tags = array_unique( $tags );
+ $tags = array_unique( array_map( 'intval', $tags ) );
}
- return wp_set_object_terms($post_id, $tags, $taxonomy, $append);
+ return wp_set_object_terms( $post_id, $tags, $taxonomy, $append );
}
/**
*
* @since 2.1.0
*
- * @param int $post_ID Post ID.
- * @param array $post_categories Optional. List of categories.
- * @return bool|mixed
+ * @param int $post_ID Optional. The Post ID. Does not default to the ID
+ * of the global $post. Default 0.
+ * @param array|int $post_categories Optional. List of categories or ID of category.
+ * Default empty array.
+ * @param bool $append If true, don't delete existing categories, just add on.
+ * If false, replace the categories with the new categories.
+ * @return array|false|WP_Error Array of term taxonomy IDs of affected categories. WP_Error or false on failure.
*/
-function wp_set_post_categories($post_ID = 0, $post_categories = array()) {
+function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $append = false ) {
$post_ID = (int) $post_ID;
$post_type = get_post_type( $post_ID );
$post_status = get_post_status( $post_ID );
// If $post_categories isn't already an array, make it one:
- if ( !is_array($post_categories) || empty($post_categories) ) {
- if ( 'post' == $post_type && 'auto-draft' != $post_status )
+ $post_categories = (array) $post_categories;
+ if ( empty( $post_categories ) ) {
+ if ( 'post' == $post_type && 'auto-draft' != $post_status ) {
$post_categories = array( get_option('default_category') );
- else
+ $append = false;
+ } else {
$post_categories = array();
- } else if ( 1 == count($post_categories) && '' == reset($post_categories) ) {
+ }
+ } elseif ( 1 == count( $post_categories ) && '' == reset( $post_categories ) ) {
return true;
}
- if ( !empty($post_categories) ) {
- $post_categories = array_map('intval', $post_categories);
- $post_categories = array_unique($post_categories);
- }
-
- return wp_set_object_terms($post_ID, $post_categories, 'category');
+ return wp_set_post_terms( $post_ID, $post_categories, 'category', $append );
}
/**
- * Transition the post status of a post.
- *
- * Calls hooks to transition post status.
- *
- * The first is 'transition_post_status' with new status, old status, and post data.
+ * Fires actions related to the transitioning of a post's status.
*
- * The next action called is 'OLDSTATUS_to_NEWSTATUS' the 'NEWSTATUS' is the
- * $new_status parameter and the 'OLDSTATUS' is $old_status parameter; it has the
- * post data.
+ * When a post is saved, the post status is "transitioned" from one status to another,
+ * though this does not always mean the status has actually changed before and after
+ * the save. This function fires a number of action hooks related to that transition:
+ * the generic {@see 'transition_post_status'} action, as well as the dynamic hooks
+ * {@see '$old_status_to_$new_status'} and {@see '$new_status_$post->post_type'}. Note
+ * that the function does not transition the post object in the database.
*
- * The final action is named 'NEWSTATUS_POSTTYPE', 'NEWSTATUS' is from the $new_status
- * parameter and POSTTYPE is post_type post data.
+ * For instance: When publishing a post for the first time, the post status may transition
+ * from 'draft' – or some other status – to 'publish'. However, if a post is already
+ * published and is simply being updated, the "old" and "new" statuses may both be 'publish'
+ * before and after the transition.
*
* @since 2.3.0
- * @link http://codex.wordpress.org/Post_Status_Transitions
*
- * @uses do_action() Calls 'transition_post_status' on $new_status, $old_status and
- * $post if there is a status change.
- * @uses do_action() Calls '{$old_status}_to_{$new_status}' on $post if there is a status change.
- * @uses do_action() Calls '{$new_status}_{$post->post_type}' on post ID and $post.
- *
- * @param string $new_status Transition to this post status.
- * @param string $old_status Previous post status.
- * @param object $post Post data.
- */
-function wp_transition_post_status($new_status, $old_status, $post) {
- do_action('transition_post_status', $new_status, $old_status, $post);
- do_action("{$old_status}_to_{$new_status}", $post);
- do_action("{$new_status}_{$post->post_type}", $post->ID, $post);
+ * @param string $new_status Transition to this post status.
+ * @param string $old_status Previous post status.
+ * @param WP_Post $post Post data.
+ */
+function wp_transition_post_status( $new_status, $old_status, $post ) {
+ /**
+ * Fires when a post is transitioned from one status to another.
+ *
+ * @since 2.3.0
+ *
+ * @param string $new_status New post status.
+ * @param string $old_status Old post status.
+ * @param WP_Post $post Post object.
+ */
+ do_action( 'transition_post_status', $new_status, $old_status, $post );
+
+ /**
+ * Fires when a post is transitioned from one status to another.
+ *
+ * The dynamic portions of the hook name, `$new_status` and `$old status`,
+ * refer to the old and new post statuses, respectively.
+ *
+ * @since 2.3.0
+ *
+ * @param WP_Post $post Post object.
+ */
+ do_action( "{$old_status}_to_{$new_status}", $post );
+
+ /**
+ * Fires when a post is transitioned from one status to another.
+ *
+ * The dynamic portions of the hook name, `$new_status` and `$post->post_type`,
+ * refer to the new post status and post type, respectively.
+ *
+ * Please note: When this action is hooked using a particular post status (like
+ * 'publish', as `publish_{$post->post_type}`), it will fire both when a post is
+ * first transitioned to that status from something else, as well as upon
+ * subsequent post updates (old and new status are both the same).
+ *
+ * Therefore, if you are looking to only fire a callback when a post is first
+ * transitioned to a status, use the {@see 'transition_post_status'} hook instead.
+ *
+ * @since 2.3.0
+ *
+ * @param int $post_id Post ID.
+ * @param WP_Post $post Post object.
+ */
+ do_action( "{$new_status}_{$post->post_type}", $post->ID, $post );
}
//
-// Trackback and ping functions
+// Comment, trackback, and pingback functions.
//
/**
- * Add a URL to those already pung.
+ * Add a URL to those already pinged.
*
* @since 1.5.0
- * @uses $wpdb
*
- * @param int $post_id Post ID.
- * @param string $uri Ping URI.
- * @return int How many rows were updated.
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $post_id Post ID.
+ * @param string $uri Ping URI.
+ * @return int|false How many rows were updated.
*/
-function add_ping($post_id, $uri) {
+function add_ping( $post_id, $uri ) {
global $wpdb;
$pung = $wpdb->get_var( $wpdb->prepare( "SELECT pinged FROM $wpdb->posts WHERE ID = %d", $post_id ));
$pung = trim($pung);
$pung = preg_split('/\s/', $pung);
$pung[] = $uri;
$new = implode("\n", $pung);
- $new = apply_filters('add_ping', $new);
- // expected_slashed ($new)
- $new = stripslashes($new);
+
+ /**
+ * Filters the new ping URL to add for the given post.
+ *
+ * @since 2.0.0
+ *
+ * @param string $new New ping URL to add.
+ */
+ $new = apply_filters( 'add_ping', $new );
+
+ // expected_slashed ($new).
+ $new = wp_unslash($new);
return $wpdb->update( $wpdb->posts, array( 'pinged' => $new ), array( 'ID' => $post_id ) );
}
* Retrieve enclosures already enclosed for a post.
*
* @since 1.5.0
- * @uses $wpdb
*
* @param int $post_id Post ID.
- * @return array List of enclosures
+ * @return array List of enclosures.
*/
-function get_enclosed($post_id) {
+function get_enclosed( $post_id ) {
$custom_fields = get_post_custom( $post_id );
$pung = array();
if ( !is_array( $custom_fields ) )
foreach ( $custom_fields as $key => $val ) {
if ( 'enclosure' != $key || !is_array( $val ) )
continue;
- foreach( $val as $enc ) {
- $enclosure = split( "\n", $enc );
+ foreach ( $val as $enc ) {
+ $enclosure = explode( "\n", $enc );
$pung[] = trim( $enclosure[ 0 ] );
}
}
- $pung = apply_filters('get_enclosed', $pung, $post_id);
- return $pung;
+
+ /**
+ * Filters the list of enclosures already enclosed for the given post.
+ *
+ * @since 2.0.0
+ *
+ * @param array $pung Array of enclosures for the given post.
+ * @param int $post_id Post ID.
+ */
+ return apply_filters( 'get_enclosed', $pung, $post_id );
}
/**
* Retrieve URLs already pinged for a post.
*
* @since 1.5.0
- * @uses $wpdb
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $post_id Post ID.
* @return array
*/
-function get_pung($post_id) {
+function get_pung( $post_id ) {
global $wpdb;
$pung = $wpdb->get_var( $wpdb->prepare( "SELECT pinged FROM $wpdb->posts WHERE ID = %d", $post_id ));
$pung = trim($pung);
$pung = preg_split('/\s/', $pung);
- $pung = apply_filters('get_pung', $pung);
- return $pung;
+
+ /**
+ * Filters the list of already-pinged URLs for the given post.
+ *
+ * @since 2.0.0
+ *
+ * @param array $pung Array of URLs already pinged for the given post.
+ */
+ return apply_filters( 'get_pung', $pung );
}
/**
* Retrieve URLs that need to be pinged.
*
* @since 1.5.0
- * @uses $wpdb
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $post_id Post ID
* @return array
*/
-function get_to_ping($post_id) {
+function get_to_ping( $post_id ) {
global $wpdb;
$to_ping = $wpdb->get_var( $wpdb->prepare( "SELECT to_ping FROM $wpdb->posts WHERE ID = %d", $post_id ));
- $to_ping = trim($to_ping);
+ $to_ping = sanitize_trackback_urls( $to_ping );
$to_ping = preg_split('/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY);
- $to_ping = apply_filters('get_to_ping', $to_ping);
- return $to_ping;
+
+ /**
+ * Filters the list of URLs yet to ping for the given post.
+ *
+ * @since 2.0.0
+ *
+ * @param array $to_ping List of URLs yet to ping.
+ */
+ return apply_filters( 'get_to_ping', $to_ping );
}
/**
*
* @since 1.0.0
*
- * @param string $tb_list Comma separated list of URLs
- * @param int $post_id Post ID
+ * @param string $tb_list Comma separated list of URLs.
+ * @param int $post_id Post ID.
*/
-function trackback_url_list($tb_list, $post_id) {
+function trackback_url_list( $tb_list, $post_id ) {
if ( ! empty( $tb_list ) ) {
- // get post data
- $postdata = wp_get_single_post($post_id, ARRAY_A);
-
- // import postdata as variables
- extract($postdata, EXTR_SKIP);
+ // Get post data.
+ $postdata = get_post( $post_id, ARRAY_A );
- // form an excerpt
- $excerpt = strip_tags($post_excerpt ? $post_excerpt : $post_content);
+ // Form an excerpt.
+ $excerpt = strip_tags( $postdata['post_excerpt'] ? $postdata['post_excerpt'] : $postdata['post_content'] );
- if (strlen($excerpt) > 255) {
- $excerpt = substr($excerpt,0,252) . '...';
+ if ( strlen( $excerpt ) > 255 ) {
+ $excerpt = substr( $excerpt, 0, 252 ) . '…';
}
- $trackback_urls = explode(',', $tb_list);
- foreach( (array) $trackback_urls as $tb_url) {
- $tb_url = trim($tb_url);
- trackback($tb_url, stripslashes($post_title), $excerpt, $post_id);
+ $trackback_urls = explode( ',', $tb_list );
+ foreach ( (array) $trackback_urls as $tb_url ) {
+ $tb_url = trim( $tb_url );
+ trackback( $tb_url, wp_unslash( $postdata['post_title'] ), $excerpt, $post_id );
}
}
}
* Get a list of page IDs.
*
* @since 2.0.0
- * @uses $wpdb
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
*
* @return array List of page IDs.
*/
function get_all_page_ids() {
global $wpdb;
- if ( ! $page_ids = wp_cache_get('all_page_ids', 'posts') ) {
+ $page_ids = wp_cache_get('all_page_ids', 'posts');
+ if ( ! is_array( $page_ids ) ) {
$page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type = 'page'");
wp_cache_add('all_page_ids', $page_ids, 'posts');
}
/**
* Retrieves page data given a page ID or page object.
*
+ * Use get_post() instead of get_page().
+ *
* @since 1.5.1
+ * @deprecated 3.5.0 Use get_post()
*
- * @param mixed $page Page object or page ID. Passed by reference.
- * @param string $output What to output. OBJECT, ARRAY_A, or ARRAY_N.
- * @param string $filter How the return value should be filtered.
- * @return mixed Page data.
+ * @param mixed $page Page object or page ID. Passed by reference.
+ * @param string $output Optional. What to output. Accepts OBJECT, ARRAY_A, or ARRAY_N.
+ * Default OBJECT.
+ * @param string $filter Optional. How the return value should be filtered. Accepts 'raw',
+ * 'edit', 'db', 'display'. Default 'raw'.
+ * @return WP_Post|array|null WP_Post on success or null on failure.
*/
-function &get_page(&$page, $output = OBJECT, $filter = 'raw') {
- $p = get_post($page, $output, $filter);
- return $p;
+function get_page( $page, $output = OBJECT, $filter = 'raw') {
+ return get_post( $page, $output, $filter );
}
/**
* Retrieves a page given its path.
*
* @since 2.1.0
- * @uses $wpdb
*
- * @param string $page_path Page path
- * @param string $output Optional. Output type. OBJECT, ARRAY_N, or ARRAY_A. Default OBJECT.
- * @param string $post_type Optional. Post type. Default page.
- * @return mixed Null when complete.
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $page_path Page path.
+ * @param string $output Optional. Output type. Accepts OBJECT, ARRAY_N, or ARRAY_A.
+ * Default OBJECT.
+ * @param string|array $post_type Optional. Post type or array of post types. Default 'page'.
+ * @return WP_Post|array|void WP_Post on success.
*/
-function get_page_by_path($page_path, $output = OBJECT, $post_type = 'page') {
+function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
global $wpdb;
+ $last_changed = wp_cache_get( 'last_changed', 'posts' );
+ if ( false === $last_changed ) {
+ $last_changed = microtime();
+ wp_cache_set( 'last_changed', $last_changed, 'posts' );
+ }
+
+ $hash = md5( $page_path . serialize( $post_type ) );
+ $cache_key = "get_page_by_path:$hash:$last_changed";
+ $cached = wp_cache_get( $cache_key, 'posts' );
+ if ( false !== $cached ) {
+ // Special case: '0' is a bad `$page_path`.
+ if ( '0' === $cached || 0 === $cached ) {
+ return;
+ } else {
+ return get_post( $cached, $output );
+ }
+ }
+
$page_path = rawurlencode(urldecode($page_path));
$page_path = str_replace('%2F', '/', $page_path);
$page_path = str_replace('%20', ' ', $page_path);
$parts = explode( '/', trim( $page_path, '/' ) );
- $parts = array_map( 'esc_sql', $parts );
+ $parts = esc_sql( $parts );
$parts = array_map( 'sanitize_title_for_query', $parts );
- $in_string = "'". implode( "','", $parts ) . "'";
- $post_type_sql = $post_type;
- $wpdb->escape_by_ref( $post_type_sql );
- $pages = $wpdb->get_results( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_name IN ($in_string) AND (post_type = '$post_type_sql' OR post_type = 'attachment')", OBJECT_K );
+ $in_string = "'" . implode( "','", $parts ) . "'";
+
+ if ( is_array( $post_type ) ) {
+ $post_types = $post_type;
+ } else {
+ $post_types = array( $post_type, 'attachment' );
+ }
+
+ $post_types = esc_sql( $post_types );
+ $post_type_in_string = "'" . implode( "','", $post_types ) . "'";
+ $sql = "
+ SELECT ID, post_name, post_parent, post_type
+ FROM $wpdb->posts
+ WHERE post_name IN ($in_string)
+ AND post_type IN ($post_type_in_string)
+ ";
+
+ $pages = $wpdb->get_results( $sql, OBJECT_K );
$revparts = array_reverse( $parts );
if ( $page->post_name == $revparts[0] ) {
$count = 0;
$p = $page;
+
+ /*
+ * Loop through the given path parts from right to left,
+ * ensuring each matches the post ancestry.
+ */
while ( $p->post_parent != 0 && isset( $pages[ $p->post_parent ] ) ) {
$count++;
$parent = $pages[ $p->post_parent ];
if ( $p->post_parent == 0 && $count+1 == count( $revparts ) && $p->post_name == $revparts[ $count ] ) {
$foundid = $page->ID;
- break;
+ if ( $page->post_type == $post_type )
+ break;
}
}
}
- if ( $foundid )
- return get_page( $foundid, $output );
+ // We cache misses as well as hits.
+ wp_cache_set( $cache_key, $foundid, 'posts' );
- return null;
+ if ( $foundid ) {
+ return get_post( $foundid, $output );
+ }
}
/**
* Retrieve a page given its title.
*
* @since 2.1.0
- * @uses $wpdb
*
- * @param string $page_title Page title
- * @param string $output Optional. Output type. OBJECT, ARRAY_N, or ARRAY_A. Default OBJECT.
- * @param string $post_type Optional. Post type. Default page.
- * @return mixed
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $page_title Page title
+ * @param string $output Optional. Output type. OBJECT, ARRAY_N, or ARRAY_A.
+ * Default OBJECT.
+ * @param string|array $post_type Optional. Post type or array of post types. Default 'page'.
+ * @return WP_Post|array|void WP_Post on success or null on failure
*/
-function get_page_by_title($page_title, $output = OBJECT, $post_type = 'page' ) {
+function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) {
global $wpdb;
- $page = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type= %s", $page_title, $post_type ) );
- if ( $page )
- return get_page($page, $output);
- return null;
+ if ( is_array( $post_type ) ) {
+ $post_type = esc_sql( $post_type );
+ $post_type_in_string = "'" . implode( "','", $post_type ) . "'";
+ $sql = $wpdb->prepare( "
+ SELECT ID
+ FROM $wpdb->posts
+ WHERE post_title = %s
+ AND post_type IN ($post_type_in_string)
+ ", $page_title );
+ } else {
+ $sql = $wpdb->prepare( "
+ SELECT ID
+ FROM $wpdb->posts
+ WHERE post_title = %s
+ AND post_type = %s
+ ", $page_title, $post_type );
+ }
+
+ $page = $wpdb->get_var( $sql );
+
+ if ( $page ) {
+ return get_post( $page, $output );
+ }
}
/**
- * Retrieve child pages from list of pages matching page ID.
+ * Identify descendants of a given page ID in a list of page objects.
*
- * Matches against the pages parameter against the page ID. Also matches all
- * children for the same to retrieve all children of a page. Does not make any
- * SQL queries to get the children.
+ * Descendants are identified from the `$pages` array passed to the function. No database queries are performed.
*
* @since 1.5.1
*
- * @param int $page_id Page ID.
- * @param array $pages List of pages' objects.
- * @return array
+ * @param int $page_id Page ID.
+ * @param array $pages List of page objects from which descendants should be identified.
+ * @return array List of page children.
*/
-function &get_page_children($page_id, $pages) {
- $page_list = array();
+function get_page_children( $page_id, $pages ) {
+ // Build a hash of ID -> children.
+ $children = array();
foreach ( (array) $pages as $page ) {
- if ( $page->post_parent == $page_id ) {
- $page_list[] = $page;
- if ( $children = get_page_children($page->ID, $pages) )
- $page_list = array_merge($page_list, $children);
+ $children[ intval( $page->post_parent ) ][] = $page;
+ }
+
+ $page_list = array();
+
+ // Start the search by looking at immediate children.
+ if ( isset( $children[ $page_id ] ) ) {
+ // Always start at the end of the stack in order to preserve original `$pages` order.
+ $to_look = array_reverse( $children[ $page_id ] );
+
+ while ( $to_look ) {
+ $p = array_pop( $to_look );
+ $page_list[] = $p;
+ if ( isset( $children[ $p->ID ] ) ) {
+ foreach ( array_reverse( $children[ $p->ID ] ) as $child ) {
+ // Append to the `$to_look` stack to descend the tree.
+ $to_look[] = $child;
+ }
+ }
}
}
+
return $page_list;
}
*
* @since 2.0.0
*
- * @param array $pages Posts array.
- * @param int $page_id Parent page ID.
+ * @param array $pages Posts array, passed by reference.
+ * @param int $page_id Optional. Parent page ID. Default 0.
* @return array A list arranged by hierarchy. Children immediately follow their parents.
*/
-function &get_page_hierarchy( &$pages, $page_id = 0 ) {
+function get_page_hierarchy( &$pages, $page_id = 0 ) {
if ( empty( $pages ) ) {
- $result = array();
- return $result;
+ return array();
}
$children = array();
}
/**
- * function to traverse and return all the nested children post names of a root page.
+ * Traverse and return all the nested children post names of a root page.
+ *
* $children contains parent-children relations
*
* @since 2.9.0
+ *
+ * @see _page_traverse_name()
+ *
+ * @param int $page_id Page ID.
+ * @param array $children Parent-children relations, passed by reference.
+ * @param array $result Result, passed by reference.
*/
function _page_traverse_name( $page_id, &$children, &$result ){
if ( isset( $children[ $page_id ] ) ){
- foreach( (array)$children[ $page_id ] as $child ) {
+ foreach ( (array)$children[ $page_id ] as $child ) {
$result[ $child->ID ] = $child->post_name;
_page_traverse_name( $child->ID, $children, $result );
}
}
/**
- * Builds URI for a page.
+ * Build the URI path for a page.
*
* Sub pages will be in the "directory" under the parent page post name.
*
* @since 1.5.0
+ * @since 4.6.0 Converted the `$page` parameter to optional.
*
- * @param mixed $page Page object or page ID.
- * @return string Page URI.
+ * @param WP_Post|object|int $page Optional. Page ID or WP_Post object. Default is global $post.
+ * @return string|false Page URI, false on error.
*/
-function get_page_uri($page) {
- if ( ! is_object($page) )
- $page = get_page($page);
- $uri = $page->post_name;
+function get_page_uri( $page = 0 ) {
+ if ( ! $page instanceof WP_Post ) {
+ $page = get_post( $page );
+ }
- // A page cannot be it's own parent.
- if ( $page->post_parent == $page->ID )
- return $uri;
+ if ( ! $page )
+ return false;
+
+ $uri = $page->post_name;
- while ($page->post_parent != 0) {
- $page = get_page($page->post_parent);
- $uri = $page->post_name . "/" . $uri;
+ foreach ( $page->ancestors as $parent ) {
+ $parent = get_post( $parent );
+ if ( $parent && $parent->post_name ) {
+ $uri = $parent->post_name . '/' . $uri;
+ }
}
- return $uri;
+ /**
+ * Filters the URI for a page.
+ *
+ * @since 4.4.0
+ *
+ * @param string $uri Page URI.
+ * @param WP_Post $page Page object.
+ */
+ return apply_filters( 'get_page_uri', $uri, $page );
}
/**
* Retrieve a list of pages.
*
- * The defaults that can be overridden are the following: 'child_of',
- * 'sort_order', 'sort_column', 'post_title', 'hierarchical', 'exclude',
- * 'include', 'meta_key', 'meta_value','authors', 'number', and 'offset'.
+ * @global wpdb $wpdb WordPress database abstraction object.
*
* @since 1.5.0
- * @uses $wpdb
*
- * @param mixed $args Optional. Array or string of options that overrides defaults.
- * @return array List of pages matching defaults or $args
- */
-function &get_pages($args = '') {
+ * @param array|string $args {
+ * Optional. Array or string of arguments to retrieve pages.
+ *
+ * @type int $child_of Page ID to return child and grandchild pages of. Note: The value
+ * of `$hierarchical` has no bearing on whether `$child_of` returns
+ * hierarchical results. Default 0, or no restriction.
+ * @type string $sort_order How to sort retrieved pages. Accepts 'ASC', 'DESC'. Default 'ASC'.
+ * @type string $sort_column What columns to sort pages by, comma-separated. Accepts 'post_author',
+ * 'post_date', 'post_title', 'post_name', 'post_modified', 'menu_order',
+ * 'post_modified_gmt', 'post_parent', 'ID', 'rand', 'comment_count'.
+ * 'post_' can be omitted for any values that start with it.
+ * Default 'post_title'.
+ * @type bool $hierarchical Whether to return pages hierarchically. If false in conjunction with
+ * `$child_of` also being false, both arguments will be disregarded.
+ * Default true.
+ * @type array $exclude Array of page IDs to exclude. Default empty array.
+ * @type array $include Array of page IDs to include. Cannot be used with `$child_of`,
+ * `$parent`, `$exclude`, `$meta_key`, `$meta_value`, or `$hierarchical`.
+ * Default empty array.
+ * @type string $meta_key Only include pages with this meta key. Default empty.
+ * @type string $meta_value Only include pages with this meta value. Requires `$meta_key`.
+ * Default empty.
+ * @type string $authors A comma-separated list of author IDs. Default empty.
+ * @type int $parent Page ID to return direct children of. Default -1, or no restriction.
+ * @type string|array $exclude_tree Comma-separated string or array of page IDs to exclude.
+ * Default empty array.
+ * @type int $number The number of pages to return. Default 0, or all pages.
+ * @type int $offset The number of pages to skip before returning. Requires `$number`.
+ * Default 0.
+ * @type string $post_type The post type to query. Default 'page'.
+ * @type string $post_status A comma-separated list of post status types to include.
+ * Default 'publish'.
+ * }
+ * @return array|false List of pages matching defaults or `$args`.
+ */
+function get_pages( $args = array() ) {
global $wpdb;
$defaults = array(
'sort_column' => 'post_title', 'hierarchical' => 1,
'exclude' => array(), 'include' => array(),
'meta_key' => '', 'meta_value' => '',
- 'authors' => '', 'parent' => -1, 'exclude_tree' => '',
+ 'authors' => '', 'parent' => -1, 'exclude_tree' => array(),
'number' => '', 'offset' => 0,
'post_type' => 'page', 'post_status' => 'publish',
);
$r = wp_parse_args( $args, $defaults );
- extract( $r, EXTR_SKIP );
- $number = (int) $number;
- $offset = (int) $offset;
- // Make sure the post type is hierarchical
+ $number = (int) $r['number'];
+ $offset = (int) $r['offset'];
+ $child_of = (int) $r['child_of'];
+ $hierarchical = $r['hierarchical'];
+ $exclude = $r['exclude'];
+ $meta_key = $r['meta_key'];
+ $meta_value = $r['meta_value'];
+ $parent = $r['parent'];
+ $post_status = $r['post_status'];
+
+ // Make sure the post type is hierarchical.
$hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) );
- if ( !in_array( $post_type, $hierarchical_post_types ) )
+ if ( ! in_array( $r['post_type'], $hierarchical_post_types ) ) {
return false;
+ }
+
+ if ( $parent > 0 && ! $child_of ) {
+ $hierarchical = false;
+ }
- // Make sure we have a valid post status
- if ( !is_array( $post_status ) )
+ // Make sure we have a valid post status.
+ if ( ! is_array( $post_status ) ) {
$post_status = explode( ',', $post_status );
- if ( array_diff( $post_status, get_post_stati() ) )
+ }
+ if ( array_diff( $post_status, get_post_stati() ) ) {
return false;
+ }
- $cache = array();
- $key = md5( serialize( compact(array_keys($defaults)) ) );
- if ( $cache = wp_cache_get( 'get_pages', 'posts' ) ) {
- if ( is_array($cache) && isset( $cache[ $key ] ) ) {
- $pages = apply_filters('get_pages', $cache[ $key ], $r );
- return $pages;
- }
+ // $args can be whatever, only use the args defined in defaults to compute the key.
+ $key = md5( serialize( wp_array_slice_assoc( $r, array_keys( $defaults ) ) ) );
+ $last_changed = wp_cache_get( 'last_changed', 'posts' );
+ if ( ! $last_changed ) {
+ $last_changed = microtime();
+ wp_cache_set( 'last_changed', $last_changed, 'posts' );
}
- if ( !is_array($cache) )
- $cache = array();
+ $cache_key = "get_pages:$key:$last_changed";
+ if ( $cache = wp_cache_get( $cache_key, 'posts' ) ) {
+ // Convert to WP_Post instances.
+ $pages = array_map( 'get_post', $cache );
+ /** This filter is documented in wp-includes/post.php */
+ $pages = apply_filters( 'get_pages', $pages, $r );
+ return $pages;
+ }
$inclusions = '';
- if ( !empty($include) ) {
+ if ( ! empty( $r['include'] ) ) {
$child_of = 0; //ignore child_of, parent, exclude, meta_key, and meta_value params if using include
$parent = -1;
$exclude = '';
$meta_key = '';
$meta_value = '';
$hierarchical = false;
- $incpages = wp_parse_id_list( $include );
+ $incpages = wp_parse_id_list( $r['include'] );
if ( ! empty( $incpages ) ) {
- foreach ( $incpages as $incpage ) {
- if (empty($inclusions))
- $inclusions = $wpdb->prepare(' AND ( ID = %d ', $incpage);
- else
- $inclusions .= $wpdb->prepare(' OR ID = %d ', $incpage);
- }
+ $inclusions = ' AND ID IN (' . implode( ',', $incpages ) . ')';
}
}
- if (!empty($inclusions))
- $inclusions .= ')';
$exclusions = '';
- if ( !empty($exclude) ) {
+ if ( ! empty( $exclude ) ) {
$expages = wp_parse_id_list( $exclude );
if ( ! empty( $expages ) ) {
- foreach ( $expages as $expage ) {
- if (empty($exclusions))
- $exclusions = $wpdb->prepare(' AND ( ID <> %d ', $expage);
- else
- $exclusions .= $wpdb->prepare(' AND ID <> %d ', $expage);
- }
+ $exclusions = ' AND ID NOT IN (' . implode( ',', $expages ) . ')';
}
}
- if (!empty($exclusions))
- $exclusions .= ')';
$author_query = '';
- if (!empty($authors)) {
- $post_authors = preg_split('/[\s,]+/',$authors);
+ if ( ! empty( $r['authors'] ) ) {
+ $post_authors = preg_split( '/[\s,]+/', $r['authors'] );
if ( ! empty( $post_authors ) ) {
foreach ( $post_authors as $post_author ) {
//Do we have an author id or an author login?
if ( 0 == intval($post_author) ) {
$post_author = get_user_by('login', $post_author);
- if ( empty($post_author) )
+ if ( empty( $post_author ) ) {
continue;
- if ( empty($post_author->ID) )
+ }
+ if ( empty( $post_author->ID ) ) {
continue;
+ }
$post_author = $post_author->ID;
}
- if ( '' == $author_query )
+ if ( '' == $author_query ) {
$author_query = $wpdb->prepare(' post_author = %d ', $post_author);
- else
+ } else {
$author_query .= $wpdb->prepare(' OR post_author = %d ', $post_author);
+ }
}
- if ( '' != $author_query )
+ if ( '' != $author_query ) {
$author_query = " AND ($author_query)";
+ }
}
}
$join = '';
$where = "$exclusions $inclusions ";
- if ( ! empty( $meta_key ) || ! empty( $meta_value ) ) {
+ if ( '' !== $meta_key || '' !== $meta_value ) {
$join = " LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )";
// meta_key and meta_value might be slashed
- $meta_key = stripslashes($meta_key);
- $meta_value = stripslashes($meta_value);
- if ( ! empty( $meta_key ) )
+ $meta_key = wp_unslash($meta_key);
+ $meta_value = wp_unslash($meta_value);
+ if ( '' !== $meta_key ) {
$where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_key = %s", $meta_key);
- if ( ! empty( $meta_value ) )
+ }
+ if ( '' !== $meta_value ) {
$where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_value = %s", $meta_value);
+ }
}
- if ( $parent >= 0 )
+ if ( is_array( $parent ) ) {
+ $post_parent__in = implode( ',', array_map( 'absint', (array) $parent ) );
+ if ( ! empty( $post_parent__in ) ) {
+ $where .= " AND post_parent IN ($post_parent__in)";
+ }
+ } elseif ( $parent >= 0 ) {
$where .= $wpdb->prepare(' AND post_parent = %d ', $parent);
+ }
if ( 1 == count( $post_status ) ) {
- $where_post_type = $wpdb->prepare( "post_type = %s AND post_status = %s", $post_type, array_shift( $post_status ) );
+ $where_post_type = $wpdb->prepare( "post_type = %s AND post_status = %s", $r['post_type'], reset( $post_status ) );
} else {
$post_status = implode( "', '", $post_status );
- $where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $post_type );
+ $where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $r['post_type'] );
}
$orderby_array = array();
- $allowed_keys = array('author', 'post_author', 'date', 'post_date', 'title', 'post_title', 'name', 'post_name', 'modified',
- 'post_modified', 'modified_gmt', 'post_modified_gmt', 'menu_order', 'parent', 'post_parent',
- 'ID', 'rand', 'comment_count');
- foreach ( explode( ',', $sort_column ) as $orderby ) {
+ $allowed_keys = array( 'author', 'post_author', 'date', 'post_date', 'title', 'post_title', 'name', 'post_name', 'modified',
+ 'post_modified', 'modified_gmt', 'post_modified_gmt', 'menu_order', 'parent', 'post_parent',
+ 'ID', 'rand', 'comment_count' );
+
+ foreach ( explode( ',', $r['sort_column'] ) as $orderby ) {
$orderby = trim( $orderby );
- if ( !in_array( $orderby, $allowed_keys ) )
+ if ( ! in_array( $orderby, $allowed_keys ) ) {
continue;
+ }
switch ( $orderby ) {
case 'menu_order':
$orderby = "$wpdb->posts.comment_count";
break;
default:
- if ( 0 === strpos( $orderby, 'post_' ) )
+ if ( 0 === strpos( $orderby, 'post_' ) ) {
$orderby = "$wpdb->posts." . $orderby;
- else
+ } else {
$orderby = "$wpdb->posts.post_" . $orderby;
+ }
}
$orderby_array[] = $orderby;
}
$sort_column = ! empty( $orderby_array ) ? implode( ',', $orderby_array ) : "$wpdb->posts.post_title";
- $sort_order = strtoupper( $sort_order );
- if ( '' !== $sort_order && !in_array( $sort_order, array( 'ASC', 'DESC' ) ) )
+ $sort_order = strtoupper( $r['sort_order'] );
+ if ( '' !== $sort_order && ! in_array( $sort_order, array( 'ASC', 'DESC' ) ) ) {
$sort_order = 'ASC';
+ }
$query = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where ";
$query .= $author_query;
$query .= " ORDER BY " . $sort_column . " " . $sort_order ;
- if ( !empty($number) )
+ if ( ! empty( $number ) ) {
$query .= ' LIMIT ' . $offset . ',' . $number;
+ }
$pages = $wpdb->get_results($query);
if ( empty($pages) ) {
- $pages = apply_filters('get_pages', array(), $r);
+ /** This filter is documented in wp-includes/post.php */
+ $pages = apply_filters( 'get_pages', array(), $r );
return $pages;
}
- // Sanitize before caching so it'll only get done once
+ // Sanitize before caching so it'll only get done once.
$num_pages = count($pages);
for ($i = 0; $i < $num_pages; $i++) {
$pages[$i] = sanitize_post($pages[$i], 'raw');
}
// Update cache.
- update_page_cache($pages);
+ update_post_cache( $pages );
- if ( $child_of || $hierarchical )
- $pages = & get_page_children($child_of, $pages);
+ if ( $child_of || $hierarchical ) {
+ $pages = get_page_children($child_of, $pages);
+ }
- if ( !empty($exclude_tree) ) {
- $exclude = (int) $exclude_tree;
- $children = get_page_children($exclude, $pages);
- $excludes = array();
- foreach ( $children as $child )
- $excludes[] = $child->ID;
- $excludes[] = $exclude;
- $num_pages = count($pages);
+ if ( ! empty( $r['exclude_tree'] ) ) {
+ $exclude = wp_parse_id_list( $r['exclude_tree'] );
+ foreach ( $exclude as $id ) {
+ $children = get_page_children( $id, $pages );
+ foreach ( $children as $child ) {
+ $exclude[] = $child->ID;
+ }
+ }
+
+ $num_pages = count( $pages );
for ( $i = 0; $i < $num_pages; $i++ ) {
- if ( in_array($pages[$i]->ID, $excludes) )
- unset($pages[$i]);
+ if ( in_array( $pages[$i]->ID, $exclude ) ) {
+ unset( $pages[$i] );
+ }
}
}
- $cache[ $key ] = $pages;
- wp_cache_set( 'get_pages', $cache, 'posts' );
+ $page_structure = array();
+ foreach ( $pages as $page ) {
+ $page_structure[] = $page->ID;
+ }
+
+ wp_cache_set( $cache_key, $page_structure, 'posts' );
- $pages = apply_filters('get_pages', $pages, $r);
+ // Convert to WP_Post instances
+ $pages = array_map( 'get_post', $pages );
- return $pages;
+ /**
+ * Filters the retrieved list of pages.
+ *
+ * @since 2.1.0
+ *
+ * @param array $pages List of pages to retrieve.
+ * @param array $r Array of get_pages() arguments.
+ */
+ return apply_filters( 'get_pages', $pages, $r );
}
//
if (strpos($url, home_url('/?attachment_id=')) !== false)
return true;
if ( $id = url_to_postid($url) ) {
- $post = & get_post($id);
+ $post = get_post($id);
if ( 'attachment' == $post->post_type )
return true;
}
/**
* Insert an attachment.
*
- * If you set the 'ID' in the $object parameter, it will mean that you are
+ * If you set the 'ID' in the $args parameter, it will mean that you are
* updating and attempt to update the attachment. You can also set the
* attachment name or title by setting the key 'post_name' or 'post_title'.
*
* comments are allowed. You can close them manually or keep them open by
* setting the value for the 'comment_status' key.
*
- * The $object parameter can have the following:
- * 'post_status' - Default is 'draft'. Can not be overridden, set the same as parent post.
- * 'post_type' - Default is 'post', will be set to attachment. Can not override.
- * 'post_author' - Default is current user ID. The ID of the user, who added the attachment.
- * 'ping_status' - Default is the value in default ping status option. Whether the attachment
- * can accept pings.
- * 'post_parent' - Default is 0. Can use $parent parameter or set this for the post it belongs
- * to, if any.
- * 'menu_order' - Default is 0. The order it is displayed.
- * 'to_ping' - Whether to ping.
- * 'pinged' - Default is empty string.
- * 'post_password' - Default is empty string. The password to access the attachment.
- * 'guid' - Global Unique ID for referencing the attachment.
- * 'post_content_filtered' - Attachment post content filtered.
- * 'post_excerpt' - Attachment excerpt.
- *
* @since 2.0.0
- * @uses $wpdb
- * @uses $user_ID
- * @uses do_action() Calls 'edit_attachment' on $post_ID if this is an update.
- * @uses do_action() Calls 'add_attachment' on $post_ID if this is not an update.
- *
- * @param string|array $object Arguments to override defaults.
- * @param string $file Optional filename.
- * @param int $parent Parent post ID.
+ *
+ * @see wp_insert_post()
+ *
+ * @param string|array $args Arguments for inserting an attachment.
+ * @param string $file Optional. Filename.
+ * @param int $parent Optional. Parent post ID.
* @return int Attachment ID.
*/
-function wp_insert_attachment($object, $file = false, $parent = 0) {
- global $wpdb, $user_ID;
-
- $defaults = array('post_status' => 'inherit', 'post_type' => 'post', 'post_author' => $user_ID,
- 'ping_status' => get_option('default_ping_status'), 'post_parent' => 0,
- 'menu_order' => 0, 'to_ping' => '', 'pinged' => '', 'post_password' => '',
- 'guid' => '', 'post_content_filtered' => '', 'post_excerpt' => '', 'import_id' => 0, 'context' => '');
-
- $object = wp_parse_args($object, $defaults);
- if ( !empty($parent) )
- $object['post_parent'] = $parent;
-
- unset( $object[ 'filter' ] );
-
- $object = sanitize_post($object, 'db');
-
- // export array as variables
- extract($object, EXTR_SKIP);
-
- if ( empty($post_author) )
- $post_author = $user_ID;
-
- $post_type = 'attachment';
-
- if ( ! in_array( $post_status, array( 'inherit', 'private' ) ) )
- $post_status = 'inherit';
-
- // Make sure we set a valid category.
- if ( !isset($post_category) || 0 == count($post_category) || !is_array($post_category) ) {
- // 'post' requires at least one category.
- if ( 'post' == $post_type )
- $post_category = array( get_option('default_category') );
- else
- $post_category = array();
- }
-
- // Are we updating or creating?
- if ( !empty($ID) ) {
- $update = true;
- $post_ID = (int) $ID;
- } else {
- $update = false;
- $post_ID = 0;
- }
-
- // Create a valid post name.
- if ( empty($post_name) )
- $post_name = sanitize_title($post_title);
- else
- $post_name = sanitize_title($post_name);
-
- // expected_slashed ($post_name)
- $post_name = wp_unique_post_slug($post_name, $post_ID, $post_status, $post_type, $post_parent);
-
- if ( empty($post_date) )
- $post_date = current_time('mysql');
- if ( empty($post_date_gmt) )
- $post_date_gmt = current_time('mysql', 1);
-
- if ( empty($post_modified) )
- $post_modified = $post_date;
- if ( empty($post_modified_gmt) )
- $post_modified_gmt = $post_date_gmt;
-
- if ( empty($comment_status) ) {
- if ( $update )
- $comment_status = 'closed';
- else
- $comment_status = get_option('default_comment_status');
- }
- if ( empty($ping_status) )
- $ping_status = get_option('default_ping_status');
-
- if ( isset($to_ping) )
- $to_ping = preg_replace('|\s+|', "\n", $to_ping);
- else
- $to_ping = '';
-
- if ( isset($post_parent) )
- $post_parent = (int) $post_parent;
- else
- $post_parent = 0;
-
- if ( isset($menu_order) )
- $menu_order = (int) $menu_order;
- else
- $menu_order = 0;
-
- if ( !isset($post_password) )
- $post_password = '';
-
- if ( ! isset($pinged) )
- $pinged = '';
-
- // expected_slashed (everything!)
- $data = compact( array( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' ) );
- $data = stripslashes_deep( $data );
-
- if ( $update ) {
- $wpdb->update( $wpdb->posts, $data, array( 'ID' => $post_ID ) );
- } else {
- // If there is a suggested ID, use it if not already present
- if ( !empty($import_id) ) {
- $import_id = (int) $import_id;
- if ( ! $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id) ) ) {
- $data['ID'] = $import_id;
- }
- }
+function wp_insert_attachment( $args, $file = false, $parent = 0 ) {
+ $defaults = array(
+ 'file' => $file,
+ 'post_parent' => 0
+ );
- $wpdb->insert( $wpdb->posts, $data );
- $post_ID = (int) $wpdb->insert_id;
- }
+ $data = wp_parse_args( $args, $defaults );
- if ( empty($post_name) ) {
- $post_name = sanitize_title($post_title, $post_ID);
- $wpdb->update( $wpdb->posts, compact("post_name"), array( 'ID' => $post_ID ) );
+ if ( ! empty( $parent ) ) {
+ $data['post_parent'] = $parent;
}
- wp_set_post_categories($post_ID, $post_category);
-
- if ( $file )
- update_attached_file( $post_ID, $file );
-
- clean_post_cache($post_ID);
-
- if ( ! empty( $context ) )
- add_post_meta( $post_ID, '_wp_attachment_context', $context, true );
-
- if ( $update) {
- do_action('edit_attachment', $post_ID);
- } else {
- do_action('add_attachment', $post_ID);
- }
+ $data['post_type'] = 'attachment';
- return $post_ID;
+ return wp_insert_post( $data );
}
/**
- * Trashes or deletes an attachment.
+ * Trash or delete an attachment.
*
* When an attachment is permanently deleted, the file will also be removed.
* Deletion removes all post meta fields, taxonomy, comments, etc. associated
* for media is disabled, item is already in the trash, or $force_delete is true.
*
* @since 2.0.0
- * @uses $wpdb
- * @uses do_action() Calls 'delete_attachment' hook on Attachment ID.
*
- * @param int $post_id Attachment ID.
- * @param bool $force_delete Whether to bypass trash and force deletion. Defaults to false.
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $post_id Attachment ID.
+ * @param bool $force_delete Optional. Whether to bypass trash and force deletion.
+ * Default false.
* @return mixed False on failure. Post data on success.
*/
function wp_delete_attachment( $post_id, $force_delete = false ) {
if ( is_multisite() )
delete_transient( 'dirsize_cache' );
- do_action('delete_attachment', $post_id);
+ /**
+ * Fires before an attachment is deleted, at the start of wp_delete_attachment().
+ *
+ * @since 2.0.0
+ *
+ * @param int $post_id Attachment ID.
+ */
+ do_action( 'delete_attachment', $post_id );
wp_delete_object_term_relationships($post_id, array('category', 'post_tag'));
wp_delete_object_term_relationships($post_id, get_object_taxonomies($post->post_type));
- $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->postmeta WHERE meta_key = '_thumbnail_id' AND meta_value = %d", $post_id ));
+ // Delete all for any posts.
+ delete_metadata( 'post', null, '_thumbnail_id', $post_id, true );
+
+ wp_defer_comment_counting( true );
$comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ));
- if ( ! empty( $comment_ids ) ) {
- do_action( 'delete_comment', $comment_ids );
- foreach ( $comment_ids as $comment_id )
- wp_delete_comment( $comment_id, true );
- do_action( 'deleted_comment', $comment_ids );
+ foreach ( $comment_ids as $comment_id ) {
+ wp_delete_comment( $comment_id, true );
}
+ wp_defer_comment_counting( false );
+
$post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id ));
- if ( !empty($post_meta_ids) ) {
- do_action( 'delete_postmeta', $post_meta_ids );
- $in_post_meta_ids = "'" . implode("', '", $post_meta_ids) . "'";
- $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_id IN($in_post_meta_ids)" );
- do_action( 'deleted_postmeta', $post_meta_ids );
- }
+ foreach ( $post_meta_ids as $mid )
+ delete_metadata_by_mid( 'post', $mid );
+ /** This action is documented in wp-includes/post.php */
do_action( 'delete_post', $post_id );
- $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->posts WHERE ID = %d", $post_id ));
+ $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) );
+ if ( ! $result ) {
+ return false;
+ }
+ /** This action is documented in wp-includes/post.php */
do_action( 'deleted_post', $post_id );
- $uploadpath = wp_upload_dir();
+ $uploadpath = wp_get_upload_dir();
if ( ! empty($meta['thumb']) ) {
- // Don't delete the thumb if another attachment uses it
- if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $meta['thumb'] . '%', $post_id)) ) {
+ // Don't delete the thumb if another attachment uses it.
+ if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id)) ) {
$thumbfile = str_replace(basename($file), $meta['thumb'], $file);
- $thumbfile = apply_filters('wp_delete_file', $thumbfile);
+ /** This filter is documented in wp-includes/functions.php */
+ $thumbfile = apply_filters( 'wp_delete_file', $thumbfile );
@ unlink( path_join($uploadpath['basedir'], $thumbfile) );
}
}
- // remove intermediate and backup images if there are any
- foreach ( get_intermediate_image_sizes() as $size ) {
- if ( $intermediate = image_get_intermediate_size($post_id, $size) ) {
- $intermediate_file = apply_filters('wp_delete_file', $intermediate['path']);
- @ unlink( path_join($uploadpath['basedir'], $intermediate_file) );
+ // Remove intermediate and backup images if there are any.
+ if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) {
+ foreach ( $meta['sizes'] as $size => $sizeinfo ) {
+ $intermediate_file = str_replace( basename( $file ), $sizeinfo['file'], $file );
+ /** This filter is documented in wp-includes/functions.php */
+ $intermediate_file = apply_filters( 'wp_delete_file', $intermediate_file );
+ @ unlink( path_join( $uploadpath['basedir'], $intermediate_file ) );
}
}
if ( is_array($backup_sizes) ) {
foreach ( $backup_sizes as $size ) {
$del_file = path_join( dirname($meta['file']), $size['file'] );
- $del_file = apply_filters('wp_delete_file', $del_file);
+ /** This filter is documented in wp-includes/functions.php */
+ $del_file = apply_filters( 'wp_delete_file', $del_file );
@ unlink( path_join($uploadpath['basedir'], $del_file) );
}
}
- $file = apply_filters('wp_delete_file', $file);
-
- if ( ! empty($file) )
- @ unlink($file);
+ wp_delete_file( $file );
- clean_post_cache($post_id);
+ clean_post_cache( $post );
return $post;
}
*
* @since 2.1.0
*
- * @param int $post_id Attachment ID
- * @param bool $unfiltered Optional, default is false. If true, filters are not run.
- * @return string|bool Attachment meta field. False on failure.
+ * @param int $post_id Attachment ID. Default 0.
+ * @param bool $unfiltered Optional. If true, filters are not run. Default false.
+ * @return mixed Attachment meta field. False on failure.
*/
function wp_get_attachment_metadata( $post_id = 0, $unfiltered = false ) {
$post_id = (int) $post_id;
- if ( !$post =& get_post( $post_id ) )
+ if ( !$post = get_post( $post_id ) )
return false;
$data = get_post_meta( $post->ID, '_wp_attachment_metadata', true );
if ( $unfiltered )
return $data;
+ /**
+ * Filters the attachment meta data.
+ *
+ * @since 2.1.0
+ *
+ * @param array|bool $data Array of meta data for the given attachment, or false
+ * if the object does not exist.
+ * @param int $post_id Attachment ID.
+ */
return apply_filters( 'wp_get_attachment_metadata', $data, $post->ID );
}
*
* @since 2.1.0
*
- * @param int $post_id Attachment ID.
- * @param array $data Attachment data.
- * @return int
+ * @param int $post_id Attachment ID.
+ * @param array $data Attachment data.
+ * @return int|bool False if $post is invalid.
*/
function wp_update_attachment_metadata( $post_id, $data ) {
$post_id = (int) $post_id;
- if ( !$post =& get_post( $post_id ) )
+ if ( !$post = get_post( $post_id ) )
return false;
- $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID );
-
- return update_post_meta( $post->ID, '_wp_attachment_metadata', $data);
+ /**
+ * Filters the updated attachment meta data.
+ *
+ * @since 2.1.0
+ *
+ * @param array $data Array of updated attachment meta data.
+ * @param int $post_id Attachment ID.
+ */
+ if ( $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ) )
+ return update_post_meta( $post->ID, '_wp_attachment_metadata', $data );
+ else
+ return delete_post_meta( $post->ID, '_wp_attachment_metadata' );
}
/**
*
* @since 2.1.0
*
- * @param int $post_id Attachment ID.
- * @return string
+ * @global string $pagenow
+ *
+ * @param int $post_id Optional. Attachment ID. Default 0.
+ * @return string|false Attachment URL, otherwise false.
*/
function wp_get_attachment_url( $post_id = 0 ) {
$post_id = (int) $post_id;
- if ( !$post =& get_post( $post_id ) )
+ if ( !$post = get_post( $post_id ) )
return false;
if ( 'attachment' != $post->post_type )
return false;
$url = '';
- if ( $file = get_post_meta( $post->ID, '_wp_attached_file', true) ) { //Get attached file
- if ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) { //Get upload directory
- if ( 0 === strpos($file, $uploads['basedir']) ) //Check that the upload base exists in the file location
- $url = str_replace($uploads['basedir'], $uploads['baseurl'], $file); //replace file location with url location
- elseif ( false !== strpos($file, 'wp-content/uploads') )
- $url = $uploads['baseurl'] . substr( $file, strpos($file, 'wp-content/uploads') + 18 );
- else
- $url = $uploads['baseurl'] . "/$file"; //Its a newly uploaded file, therefor $file is relative to the basedir.
+ // Get attached file.
+ if ( $file = get_post_meta( $post->ID, '_wp_attached_file', true ) ) {
+ // Get upload directory.
+ if ( ( $uploads = wp_get_upload_dir() ) && false === $uploads['error'] ) {
+ // Check that the upload base exists in the file location.
+ if ( 0 === strpos( $file, $uploads['basedir'] ) ) {
+ // Replace file location with url location.
+ $url = str_replace($uploads['basedir'], $uploads['baseurl'], $file);
+ } elseif ( false !== strpos($file, 'wp-content/uploads') ) {
+ // Get the directory name relative to the basedir (back compat for pre-2.7 uploads)
+ $url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . basename( $file );
+ } else {
+ // It's a newly-uploaded file, therefore $file is relative to the basedir.
+ $url = $uploads['baseurl'] . "/$file";
+ }
}
}
- if ( empty($url) ) //If any of the above options failed, Fallback on the GUID as used pre-2.7, not recommended to rely upon this.
+ /*
+ * If any of the above options failed, Fallback on the GUID as used pre-2.7,
+ * not recommended to rely upon this.
+ */
+ if ( empty($url) ) {
$url = get_the_guid( $post->ID );
+ }
+ // On SSL front end, URLs should be HTTPS.
+ if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $GLOBALS['pagenow'] ) {
+ $url = set_url_scheme( $url );
+ }
+
+ /**
+ * Filters the attachment URL.
+ *
+ * @since 2.1.0
+ *
+ * @param string $url URL for the given attachment.
+ * @param int $post_id Attachment ID.
+ */
$url = apply_filters( 'wp_get_attachment_url', $url, $post->ID );
if ( empty( $url ) )
return $url;
}
+/**
+ * Retrieves the caption for an attachment.
+ *
+ * @since 4.6.0
+ *
+ * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
+ * @return string|false False on failure. Attachment caption on success.
+ */
+function wp_get_attachment_caption( $post_id = 0 ) {
+ $post_id = (int) $post_id;
+ if ( ! $post = get_post( $post_id ) ) {
+ return false;
+ }
+
+ if ( 'attachment' !== $post->post_type ) {
+ return false;
+ }
+
+ $caption = $post->post_excerpt;
+
+ /**
+ * Filters the attachment caption.
+ *
+ * @since 4.6.0
+ *
+ * @param string $caption Caption for the given attachment.
+ * @param int $post_id Attachment ID.
+ */
+ return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID );
+}
+
/**
* Retrieve thumbnail for an attachment.
*
* @since 2.1.0
*
- * @param int $post_id Attachment ID.
- * @return mixed False on failure. Thumbnail file path on success.
+ * @param int $post_id Optional. Attachment ID. Default 0.
+ * @return string|false False on failure. Thumbnail file path on success.
*/
function wp_get_attachment_thumb_file( $post_id = 0 ) {
$post_id = (int) $post_id;
- if ( !$post =& get_post( $post_id ) )
+ if ( !$post = get_post( $post_id ) )
return false;
if ( !is_array( $imagedata = wp_get_attachment_metadata( $post->ID ) ) )
return false;
$file = get_attached_file( $post->ID );
- if ( !empty($imagedata['thumb']) && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file)) && file_exists($thumbfile) )
+ if ( !empty($imagedata['thumb']) && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file)) && file_exists($thumbfile) ) {
+ /**
+ * Filters the attachment thumbnail file path.
+ *
+ * @since 2.1.0
+ *
+ * @param string $thumbfile File path to the attachment thumbnail.
+ * @param int $post_id Attachment ID.
+ */
return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID );
+ }
return false;
}
*
* @since 2.1.0
*
- * @param int $post_id Attachment ID
- * @return string|bool False on failure. Thumbnail URL on success.
+ * @param int $post_id Optional. Attachment ID. Default 0.
+ * @return string|false False on failure. Thumbnail URL on success.
*/
function wp_get_attachment_thumb_url( $post_id = 0 ) {
$post_id = (int) $post_id;
- if ( !$post =& get_post( $post_id ) )
+ if ( !$post = get_post( $post_id ) )
return false;
if ( !$url = wp_get_attachment_url( $post->ID ) )
return false;
$url = str_replace(basename($url), basename($thumb), $url);
+ /**
+ * Filters the attachment thumbnail URL.
+ *
+ * @since 2.1.0
+ *
+ * @param string $url URL for the attachment thumbnail.
+ * @param int $post_id Attachment ID.
+ */
return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID );
}
/**
- * Check if the attachment is an image.
+ * Verifies an attachment is of a given type.
*
- * @since 2.1.0
+ * @since 4.2.0
*
- * @param int $post_id Attachment ID
- * @return bool
+ * @param string $type Attachment type. Accepts 'image', 'audio', or 'video'.
+ * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post.
+ * @return bool True if one of the accepted types, false otherwise.
*/
-function wp_attachment_is_image( $post_id = 0 ) {
- $post_id = (int) $post_id;
- if ( !$post =& get_post( $post_id ) )
+function wp_attachment_is( $type, $post = null ) {
+ if ( ! $post = get_post( $post ) ) {
return false;
+ }
- if ( !$file = get_attached_file( $post->ID ) )
+ if ( ! $file = get_attached_file( $post->ID ) ) {
return false;
+ }
- $ext = preg_match('/\.([^.]+)$/', $file, $matches) ? strtolower($matches[1]) : false;
+ if ( 0 === strpos( $post->post_mime_type, $type . '/' ) ) {
+ return true;
+ }
- $image_exts = array('jpg', 'jpeg', 'gif', 'png');
+ $check = wp_check_filetype( $file );
+ if ( empty( $check['ext'] ) ) {
+ return false;
+ }
- if ( 'image/' == substr($post->post_mime_type, 0, 6) || $ext && 'import' == $post->post_mime_type && in_array($ext, $image_exts) )
- return true;
- return false;
+ $ext = $check['ext'];
+
+ if ( 'import' !== $post->post_mime_type ) {
+ return $type === $ext;
+ }
+
+ switch ( $type ) {
+ case 'image':
+ $image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png' );
+ return in_array( $ext, $image_exts );
+
+ case 'audio':
+ return in_array( $ext, wp_get_audio_extensions() );
+
+ case 'video':
+ return in_array( $ext, wp_get_video_extensions() );
+
+ default:
+ return $type === $ext;
+ }
+}
+
+/**
+ * Checks if the attachment is an image.
+ *
+ * @since 2.1.0
+ * @since 4.2.0 Modified into wrapper for wp_attachment_is() and
+ * allowed WP_Post object to be passed.
+ *
+ * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post.
+ * @return bool Whether the attachment is an image.
+ */
+function wp_attachment_is_image( $post = null ) {
+ return wp_attachment_is( 'image', $post );
}
/**
*
* @since 2.1.0
*
- * @param string $mime MIME type
- * @return string|bool
+ * @param string|int $mime MIME type or attachment ID.
+ * @return string|false Icon, false otherwise.
*/
function wp_mime_type_icon( $mime = 0 ) {
if ( !is_numeric($mime) )
$icon = wp_cache_get("mime_type_icon_$mime");
+
+ $post_id = 0;
if ( empty($icon) ) {
- $post_id = 0;
$post_mimes = array();
if ( is_numeric($mime) ) {
$mime = (int) $mime;
- if ( $post =& get_post( $mime ) ) {
+ if ( $post = get_post( $mime ) ) {
$post_id = (int) $post->ID;
- $ext = preg_replace('/^.+?\.([^.]+)$/', '$1', $post->guid);
+ $file = get_attached_file( $post_id );
+ $ext = preg_replace('/^.+?\.([^.]+)$/', '$1', $file);
if ( !empty($ext) ) {
$post_mimes[] = $ext;
if ( $ext_type = wp_ext2type( $ext ) )
$icon_files = wp_cache_get('icon_files');
if ( !is_array($icon_files) ) {
- $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/crystal' );
- $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url('images/crystal') );
- $dirs = apply_filters( 'icon_dirs', array($icon_dir => $icon_dir_uri) );
+ /**
+ * Filters the icon directory path.
+ *
+ * @since 2.0.0
+ *
+ * @param string $path Icon directory absolute path.
+ */
+ $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
+
+ /**
+ * Filters the icon directory URI.
+ *
+ * @since 2.0.0
+ *
+ * @param string $uri Icon directory URI.
+ */
+ $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) );
+
+ /**
+ * Filters the list of icon directory URIs.
+ *
+ * @since 2.5.0
+ *
+ * @param array $uris List of icon directory URIs.
+ */
+ $dirs = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) );
$icon_files = array();
while ( $dirs ) {
$keys = array_keys( $dirs );
closedir($dh);
}
}
- wp_cache_set('icon_files', $icon_files, 600);
+ wp_cache_add( 'icon_files', $icon_files, 'default', 600 );
}
- // Icon basename - extension = MIME wildcard
+ $types = array();
+ // Icon basename - extension = MIME wildcard.
foreach ( $icon_files as $file => $uri )
$types[ preg_replace('/^([^.]*).*$/', '$1', basename($file)) ] =& $icon_files[$file];
$matches['default'] = array('default');
foreach ( $matches as $match => $wilds ) {
- if ( isset($types[$wilds[0]])) {
- $icon = $types[$wilds[0]];
- if ( !is_numeric($mime) )
- wp_cache_set("mime_type_icon_$mime", $icon);
- break;
+ foreach ( $wilds as $wild ) {
+ if ( ! isset( $types[ $wild ] ) ) {
+ continue;
+ }
+
+ $icon = $types[ $wild ];
+ if ( ! is_numeric( $mime ) ) {
+ wp_cache_add( "mime_type_icon_$mime", $icon );
+ }
+ break 2;
}
}
}
- return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); // Last arg is 0 if function pass mime type.
+ /**
+ * Filters the mime type icon.
+ *
+ * @since 2.1.0
+ *
+ * @param string $icon Path to the mime type icon.
+ * @param string $mime Mime type.
+ * @param int $post_id Attachment ID. Will equal 0 if the function passed
+ * the mime type.
+ */
+ return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id );
}
/**
- * Checked for changed slugs for published post objects and save the old slug.
+ * Check for changed slugs for published post objects and save the old slug.
*
* The function is used when a post object of any type is updated,
* by comparing the current and previous post objects.
*
* @since 2.1.0
*
- * @param int $post_id Post ID.
- * @param object $post The Post Object
- * @param object $post_before The Previous Post Object
- * @return int Same as $post_id
+ * @param int $post_id Post ID.
+ * @param WP_Post $post The Post Object
+ * @param WP_Post $post_before The Previous Post Object
*/
-function wp_check_for_changed_slugs($post_id, $post, $post_before) {
- // dont bother if it hasnt changed
- if ( $post->post_name == $post_before->post_name )
+function wp_check_for_changed_slugs( $post_id, $post, $post_before ) {
+ // Don't bother if it hasn't changed.
+ if ( $post->post_name == $post_before->post_name ) {
return;
+ }
- // we're only concerned with published, non-hierarchical objects
- if ( $post->post_status != 'publish' || is_post_type_hierarchical( $post->post_type ) )
+ // We're only concerned with published, non-hierarchical objects.
+ if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) {
return;
+ }
- $old_slugs = (array) get_post_meta($post_id, '_wp_old_slug');
+ $old_slugs = (array) get_post_meta( $post_id, '_wp_old_slug' );
- // if we haven't added this old slug before, add it now
- if ( !empty( $post_before->post_name ) && !in_array($post_before->post_name, $old_slugs) )
- add_post_meta($post_id, '_wp_old_slug', $post_before->post_name);
+ // If we haven't added this old slug before, add it now.
+ if ( ! empty( $post_before->post_name ) && ! in_array( $post_before->post_name, $old_slugs ) ) {
+ add_post_meta( $post_id, '_wp_old_slug', $post_before->post_name );
+ }
- // if the new slug was used previously, delete it from the list
- if ( in_array($post->post_name, $old_slugs) )
- delete_post_meta($post_id, '_wp_old_slug', $post->post_name);
+ // If the new slug was used previously, delete it from the list.
+ if ( in_array( $post->post_name, $old_slugs ) ) {
+ delete_post_meta( $post_id, '_wp_old_slug', $post->post_name );
+ }
}
/**
* published posts, and all private posts to which the user has access.
*
* @since 2.2.0
+ * @since 4.3.0 Added the ability to pass an array to `$post_type`.
*
- * @uses $user_ID
- *
- * @param string $post_type currently only supports 'post' or 'page'.
+ * @param string|array $post_type Single post type or an array of post types. Currently only supports 'post' or 'page'.
* @return string SQL code that can be added to a where clause.
*/
function get_private_posts_cap_sql( $post_type ) {
/**
* Retrieve the post SQL based on capability, author, and type.
*
- * @see get_private_posts_cap_sql() for full description.
- *
* @since 3.0.0
- * @param string $post_type Post type.
- * @param bool $full Optional. Returns a full WHERE statement instead of just an 'andalso' term.
- * @param int $post_author Optional. Query posts having a single author ID.
+ * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`.
+ *
+ * @see get_private_posts_cap_sql()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array|string $post_type Single post type or an array of post types.
+ * @param bool $full Optional. Returns a full WHERE statement instead of just
+ * an 'andalso' term. Default true.
+ * @param int $post_author Optional. Query posts having a single author ID. Default null.
+ * @param bool $public_only Optional. Only return public posts. Skips cap checks for
+ * $current_user. Default false.
* @return string SQL WHERE code that can be added to a query.
*/
-function get_posts_by_author_sql( $post_type, $full = true, $post_author = null ) {
- global $user_ID, $wpdb;
+function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, $public_only = false ) {
+ global $wpdb;
- // Private posts
- $post_type_obj = get_post_type_object( $post_type );
- if ( ! $post_type_obj )
- return $full ? 'WHERE 1 = 0' : ' 1 = 0 ';
+ if ( is_array( $post_type ) ) {
+ $post_types = $post_type;
+ } else {
+ $post_types = array( $post_type );
+ }
- // This hook is deprecated. Why you'd want to use it, I dunno.
- if ( ! $cap = apply_filters( 'pub_priv_sql_capability', '' ) )
- $cap = $post_type_obj->cap->read_private_posts;
+ $post_type_clauses = array();
+ foreach ( $post_types as $post_type ) {
+ $post_type_obj = get_post_type_object( $post_type );
+ if ( ! $post_type_obj ) {
+ continue;
+ }
- if ( $full ) {
- if ( null === $post_author ) {
- $sql = $wpdb->prepare( 'WHERE post_type = %s AND ', $post_type );
- } else {
- $sql = $wpdb->prepare( 'WHERE post_author = %d AND post_type = %s AND ', $post_author, $post_type );
+ /**
+ * Filters the capability to read private posts for a custom post type
+ * when generating SQL for getting posts by author.
+ *
+ * @since 2.2.0
+ * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless".
+ *
+ * @param string $cap Capability.
+ */
+ if ( ! $cap = apply_filters( 'pub_priv_sql_capability', '' ) ) {
+ $cap = current_user_can( $post_type_obj->cap->read_private_posts );
}
- } else {
- $sql = '';
+
+ // Only need to check the cap if $public_only is false.
+ $post_status_sql = "post_status = 'publish'";
+ if ( false === $public_only ) {
+ if ( $cap ) {
+ // Does the user have the capability to view private posts? Guess so.
+ $post_status_sql .= " OR post_status = 'private'";
+ } elseif ( is_user_logged_in() ) {
+ // Users can view their own private posts.
+ $id = get_current_user_id();
+ if ( null === $post_author || ! $full ) {
+ $post_status_sql .= " OR post_status = 'private' AND post_author = $id";
+ } elseif ( $id == (int) $post_author ) {
+ $post_status_sql .= " OR post_status = 'private'";
+ } // else none
+ } // else none
+ }
+
+ $post_type_clauses[] = "( post_type = '" . $post_type . "' AND ( $post_status_sql ) )";
}
- $sql .= "(post_status = 'publish'";
+ if ( empty( $post_type_clauses ) ) {
+ return $full ? 'WHERE 1 = 0' : '1 = 0';
+ }
+
+ $sql = '( '. implode( ' OR ', $post_type_clauses ) . ' )';
- if ( current_user_can( $cap ) ) {
- // Does the user have the capability to view private posts? Guess so.
- $sql .= " OR post_status = 'private'";
- } elseif ( is_user_logged_in() ) {
- // Users can view their own private posts.
- $id = (int) $user_ID;
- if ( null === $post_author || ! $full ) {
- $sql .= " OR post_status = 'private' AND post_author = $id";
- } elseif ( $id == (int) $post_author ) {
- $sql .= " OR post_status = 'private'";
- } // else none
- } // else none
+ if ( null !== $post_author ) {
+ $sql .= $wpdb->prepare( ' AND post_author = %d', $post_author );
+ }
- $sql .= ')';
+ if ( $full ) {
+ $sql = 'WHERE ' . $sql;
+ }
return $sql;
}
* 'gmt' is when the last post was posted in GMT formatted date.
*
* @since 0.71
- *
- * @uses apply_filters() Calls 'get_lastpostdate' filter
- *
- * @param string $timezone The location to get the time. Can be 'gmt', 'blog', or 'server'.
+ * @since 4.4.0 The `$post_type` argument was added.
+ *
+ * @param string $timezone Optional. The timezone for the timestamp. Accepts 'server', 'blog', or 'gmt'.
+ * 'server' uses the server's internal timezone.
+ * 'blog' uses the `post_modified` field, which proxies to the timezone set for the site.
+ * 'gmt' uses the `post_modified_gmt` field.
+ * Default 'server'.
+ * @param string $post_type Optional. The post type to check. Default 'any'.
* @return string The date of the last post.
*/
-function get_lastpostdate($timezone = 'server') {
- return apply_filters( 'get_lastpostdate', _get_last_post_time( $timezone, 'date' ), $timezone );
+function get_lastpostdate( $timezone = 'server', $post_type = 'any' ) {
+ /**
+ * Filters the date the last post was published.
+ *
+ * @since 2.3.0
+ *
+ * @param string $date Date the last post was published.
+ * @param string $timezone Location to use for getting the post published date.
+ * See get_lastpostdate() for accepted `$timezone` values.
+ */
+ return apply_filters( 'get_lastpostdate', _get_last_post_time( $timezone, 'date', $post_type ), $timezone );
}
/**
- * Retrieve last post modified date depending on timezone.
+ * Get the timestamp of the last time any post was modified.
*
* The server timezone is the default and is the difference between GMT and
* server time. The 'blog' value is just when the last post was modified. The
* 'gmt' is when the last post was modified in GMT time.
*
* @since 1.2.0
- * @uses apply_filters() Calls 'get_lastpostmodified' filter
- *
- * @param string $timezone The location to get the time. Can be 'gmt', 'blog', or 'server'.
- * @return string The date the post was last modified.
- */
-function get_lastpostmodified($timezone = 'server') {
- $lastpostmodified = _get_last_post_time( $timezone, 'modified' );
+ * @since 4.4.0 The `$post_type` argument was added.
+ *
+ * @param string $timezone Optional. The timezone for the timestamp. See get_lastpostdate()
+ * for information on accepted values.
+ * Default 'server'.
+ * @param string $post_type Optional. The post type to check. Default 'any'.
+ * @return string The timestamp.
+ */
+function get_lastpostmodified( $timezone = 'server', $post_type = 'any' ) {
+ /**
+ * Pre-filter the return value of get_lastpostmodified() before the query is run.
+ *
+ * @since 4.4.0
+ *
+ * @param string $lastpostmodified Date the last post was modified.
+ * Returning anything other than false will short-circuit the function.
+ * @param string $timezone Location to use for getting the post modified date.
+ * See get_lastpostdate() for accepted `$timezone` values.
+ * @param string $post_type The post type to check.
+ */
+ $lastpostmodified = apply_filters( 'pre_get_lastpostmodified', false, $timezone, $post_type );
+ if ( false !== $lastpostmodified ) {
+ return $lastpostmodified;
+ }
+
+ $lastpostmodified = _get_last_post_time( $timezone, 'modified', $post_type );
$lastpostdate = get_lastpostdate($timezone);
- if ( $lastpostdate > $lastpostmodified )
+ if ( $lastpostdate > $lastpostmodified ) {
$lastpostmodified = $lastpostdate;
+ }
+ /**
+ * Filters the date the last post was modified.
+ *
+ * @since 2.3.0
+ *
+ * @param string $lastpostmodified Date the last post was modified.
+ * @param string $timezone Location to use for getting the post modified date.
+ * See get_lastpostdate() for accepted `$timezone` values.
+ */
return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone );
}
/**
- * Retrieve latest post date data based on timezone.
+ * Get the timestamp of the last time any post was modified or published.
*
- * @access private
* @since 3.1.0
+ * @since 4.4.0 The `$post_type` argument was added.
+ * @access private
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
*
- * @param string $timezone The location to get the time. Can be 'gmt', 'blog', or 'server'.
- * @param string $field Field to check. Can be 'date' or 'modified'.
- * @return string The date.
+ * @param string $timezone The timezone for the timestamp. See get_lastpostdate().
+ * for information on accepted values.
+ * @param string $field Post field to check. Accepts 'date' or 'modified'.
+ * @param string $post_type Optional. The post type to check. Default 'any'.
+ * @return string|false The timestamp.
*/
-function _get_last_post_time( $timezone, $field ) {
+function _get_last_post_time( $timezone, $field, $post_type = 'any' ) {
global $wpdb;
- if ( !in_array( $field, array( 'date', 'modified' ) ) )
+ if ( ! in_array( $field, array( 'date', 'modified' ) ) ) {
return false;
+ }
$timezone = strtolower( $timezone );
$key = "lastpost{$field}:$timezone";
+ if ( 'any' !== $post_type ) {
+ $key .= ':' . sanitize_key( $post_type );
+ }
$date = wp_cache_get( $key, 'timeinfo' );
- if ( !$date ) {
- $add_seconds_server = date('Z');
-
- $post_types = get_post_types( array( 'public' => true ) );
- array_walk( $post_types, array( &$wpdb, 'escape_by_ref' ) );
- $post_types = "'" . implode( "', '", $post_types ) . "'";
+ if ( ! $date ) {
+ if ( 'any' === $post_type ) {
+ $post_types = get_post_types( array( 'public' => true ) );
+ array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) );
+ $post_types = "'" . implode( "', '", $post_types ) . "'";
+ } else {
+ $post_types = "'" . sanitize_key( $post_type ) . "'";
+ }
switch ( $timezone ) {
case 'gmt':
$date = $wpdb->get_var("SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1");
break;
case 'server':
+ $add_seconds_server = date( 'Z' );
$date = $wpdb->get_var("SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1");
break;
}
- if ( $date )
+ if ( $date ) {
wp_cache_set( $key, $date, 'timeinfo' );
+ }
}
return $date;
/**
* Updates posts in cache.
*
- * @usedby update_page_cache() Aliased by this function.
- *
- * @package WordPress
- * @subpackage Cache
* @since 1.5.1
*
- * @param array $posts Array of post objects
+ * @param array $posts Array of post objects, passed by reference.
*/
-function update_post_cache(&$posts) {
- if ( !$posts )
+function update_post_cache( &$posts ) {
+ if ( ! $posts )
return;
foreach ( $posts as $post )
- wp_cache_add($post->ID, $post, 'posts');
+ wp_cache_add( $post->ID, $post, 'posts' );
}
/**
* Cleaning means delete from the cache of the post. Will call to clean the term
* object cache associated with the post ID.
*
- * clean_post_cache() will call itself recursively for each child post.
- *
* This function not run if $_wp_suspend_cache_invalidation is not empty. See
* wp_suspend_cache_invalidation().
*
- * @package WordPress
- * @subpackage Cache
* @since 2.0.0
*
- * @uses do_action() Calls 'clean_post_cache' on $id before adding children (if any).
+ * @global bool $_wp_suspend_cache_invalidation
*
- * @param int $id The Post ID in the cache to clean
+ * @param int|WP_Post $post Post ID or post object to remove from the cache.
*/
-function clean_post_cache($id) {
- global $_wp_suspend_cache_invalidation, $wpdb;
+function clean_post_cache( $post ) {
+ global $_wp_suspend_cache_invalidation;
- if ( !empty($_wp_suspend_cache_invalidation) )
+ if ( ! empty( $_wp_suspend_cache_invalidation ) )
return;
- $id = (int) $id;
-
- if ( 0 === $id )
+ $post = get_post( $post );
+ if ( empty( $post ) )
return;
- wp_cache_delete($id, 'posts');
- wp_cache_delete($id, 'post_meta');
+ wp_cache_delete( $post->ID, 'posts' );
+ wp_cache_delete( $post->ID, 'post_meta' );
- clean_object_term_cache($id, 'post');
+ clean_object_term_cache( $post->ID, $post->post_type );
wp_cache_delete( 'wp_get_archives', 'general' );
- do_action('clean_post_cache', $id);
+ /**
+ * Fires immediately after the given post's cache is cleaned.
+ *
+ * @since 2.5.0
+ *
+ * @param int $post_id Post ID.
+ * @param WP_Post $post Post object.
+ */
+ do_action( 'clean_post_cache', $post->ID, $post );
- if ( $children = $wpdb->get_col( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d", $id) ) ) {
- foreach ( $children as $cid ) {
- // Loop detection
- if ( $cid == $id )
- continue;
- clean_post_cache( $cid );
- }
+ if ( 'page' == $post->post_type ) {
+ wp_cache_delete( 'all_page_ids', 'posts' );
+
+ /**
+ * Fires immediately after the given page's cache is cleaned.
+ *
+ * @since 2.5.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'clean_page_cache', $post->ID );
}
- if ( is_multisite() )
- wp_cache_delete( $wpdb->blogid . '-' . $id, 'global-posts' );
-}
-
-/**
- * Alias of update_post_cache().
- *
- * @see update_post_cache() Posts and pages are the same, alias is intentional
- *
- * @package WordPress
- * @subpackage Cache
- * @since 1.5.1
- *
- * @param array $pages list of page objects
- */
-function update_page_cache(&$pages) {
- update_post_cache($pages);
-}
-
-/**
- * Will clean the page in the cache.
- *
- * Clean (read: delete) page from cache that matches $id. Will also clean cache
- * associated with 'all_page_ids' and 'get_pages'.
- *
- * @package WordPress
- * @subpackage Cache
- * @since 2.0.0
- *
- * @uses do_action() Will call the 'clean_page_cache' hook action.
- *
- * @param int $id Page ID to clean
- */
-function clean_page_cache($id) {
- clean_post_cache($id);
-
- wp_cache_delete( 'all_page_ids', 'posts' );
- wp_cache_delete( 'get_pages', 'posts' );
-
- do_action('clean_page_cache', $id);
+ wp_cache_set( 'last_changed', microtime(), 'posts' );
}
/**
* Call major cache updating functions for list of Post objects.
*
- * @package WordPress
- * @subpackage Cache
* @since 1.5.0
*
- * @uses $wpdb
- * @uses update_post_cache()
- * @uses update_object_term_cache()
- * @uses update_postmeta_cache()
- *
- * @param array $posts Array of Post objects
- * @param string $post_type The post type of the posts in $posts. Default is 'post'.
- * @param bool $update_term_cache Whether to update the term cache. Default is true.
- * @param bool $update_meta_cache Whether to update the meta cache. Default is true.
+ * @param array $posts Array of Post objects
+ * @param string $post_type Optional. Post type. Default 'post'.
+ * @param bool $update_term_cache Optional. Whether to update the term cache. Default true.
+ * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true.
*/
-function update_post_caches(&$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true) {
+function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) {
// No point in doing all this work if we didn't match any posts.
if ( !$posts )
return;
foreach ( $posts as $post )
$post_ids[] = $post->ID;
- if ( empty($post_type) )
- $post_type = 'post';
+ if ( ! $post_type )
+ $post_type = 'any';
if ( $update_term_cache ) {
if ( is_array($post_type) ) {
$ptypes = $post_type;
} elseif ( 'any' == $post_type ) {
+ $ptypes = array();
// Just use the post_types in the supplied posts.
- foreach ( $posts as $post )
+ foreach ( $posts as $post ) {
$ptypes[] = $post->post_type;
+ }
$ptypes = array_unique($ptypes);
} else {
$ptypes = array($post_type);
* metadata cache for the posts. Therefore, the functions, which call this
* function, do not need to perform SQL queries on their own.
*
- * @package WordPress
- * @subpackage Cache
* @since 2.1.0
*
- * @uses $wpdb
- *
* @param array $post_ids List of post IDs.
- * @return bool|array Returns false if there is nothing to update or an array of metadata.
+ * @return array|false Returns false if there is nothing to update or an array
+ * of metadata.
*/
-function update_postmeta_cache($post_ids) {
+function update_postmeta_cache( $post_ids ) {
return update_meta_cache('post', $post_ids);
}
* Cleaning means delete from the cache. Optionally will clean the term
* object cache associated with the attachment ID.
*
- * This function will not run if $_wp_suspend_cache_invalidation is not empty. See
- * wp_suspend_cache_invalidation().
+ * This function will not run if $_wp_suspend_cache_invalidation is not empty.
*
- * @package WordPress
- * @subpackage Cache
* @since 3.0.0
*
- * @uses do_action() Calls 'clean_attachment_cache' on $id.
+ * @global bool $_wp_suspend_cache_invalidation
*
- * @param int $id The attachment ID in the cache to clean
- * @param bool $clean_terms optional. Whether to clean terms cache
+ * @param int $id The attachment ID in the cache to clean.
+ * @param bool $clean_terms Optional. Whether to clean terms cache. Default false.
*/
-function clean_attachment_cache($id, $clean_terms = false) {
+function clean_attachment_cache( $id, $clean_terms = false ) {
global $_wp_suspend_cache_invalidation;
if ( !empty($_wp_suspend_cache_invalidation) )
if ( $clean_terms )
clean_object_term_cache($id, 'attachment');
- do_action('clean_attachment_cache', $id);
+ /**
+ * Fires after the given attachment's cache is cleaned.
+ *
+ * @since 3.0.0
+ *
+ * @param int $id Attachment ID.
+ */
+ do_action( 'clean_attachment_cache', $id );
}
//
*
* @since 2.3.0
* @access private
- * @uses $wpdb
- * @uses do_action() Calls 'private_to_published' on post ID if this is a 'private_to_published' call.
- * @uses wp_clear_scheduled_hook() with 'publish_future_post' and post ID.
*
- * @param string $new_status New post status
- * @param string $old_status Previous post status
- * @param object $post Object type containing the post information
+ * @see wp_clear_scheduled_hook()
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $new_status New post status.
+ * @param string $old_status Previous post status.
+ * @param WP_Post $post Post object.
*/
-function _transition_post_status($new_status, $old_status, $post) {
+function _transition_post_status( $new_status, $old_status, $post ) {
global $wpdb;
if ( $old_status != 'publish' && $new_status == 'publish' ) {
- // Reset GUID if transitioning to publish and it is empty
+ // Reset GUID if transitioning to publish and it is empty.
if ( '' == get_the_guid($post->ID) )
$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) );
- do_action('private_to_published', $post->ID); // Deprecated, use private_to_publish
+
+ /**
+ * Fires when a post's status is transitioned from private to published.
+ *
+ * @since 1.5.0
+ * @deprecated 2.3.0 Use 'private_to_publish' instead.
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action('private_to_published', $post->ID);
}
- // If published posts changed clear the lastpostmodified cache
+ // If published posts changed clear the lastpostmodified cache.
if ( 'publish' == $new_status || 'publish' == $old_status) {
foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' );
wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' );
+ wp_cache_delete( "lastpostdate:$timezone:{$post->post_type}", 'timeinfo' );
}
}
+ if ( $new_status !== $old_status ) {
+ wp_cache_delete( _count_posts_cache_key( $post->post_type ), 'counts' );
+ wp_cache_delete( _count_posts_cache_key( $post->post_type, 'readable' ), 'counts' );
+ }
+
// Always clears the hook in case the post status bounced from future to draft.
wp_clear_scheduled_hook('publish_future_post', array( $post->ID ) );
}
* @since 2.3.0
* @access private
*
- * @param int $deprecated Not used. Can be set to null. Never implemented.
- * Not marked as deprecated with _deprecated_argument() as it conflicts with
- * wp_transition_post_status() and the default filter for _future_post_hook().
- * @param object $post Object type containing the post information
+ * @param int $deprecated Not used. Can be set to null. Never implemented. Not marked
+ * as deprecated with _deprecated_argument() as it conflicts with
+ * wp_transition_post_status() and the default filter for _future_post_hook().
+ * @param WP_Post $post Post object.
*/
-function _future_post_hook( $deprecated = '', $post ) {
+function _future_post_hook( $deprecated, $post ) {
wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) );
wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT') , 'publish_future_post', array( $post->ID ) );
}
/**
* Hook to schedule pings and enclosures when a post is published.
*
- * @since 2.3.0
- * @access private
- * @uses $wpdb
- * @uses XMLRPC_REQUEST and APP_REQUEST constants.
- * @uses do_action() Calls 'xmlprc_publish_post' on post ID if XMLRPC_REQUEST is defined.
- * @uses do_action() Calls 'app_publish_post' on post ID if APP_REQUEST is defined.
- *
- * @param int $post_id The ID in the database table of the post being published
- */
-function _publish_post_hook($post_id) {
- global $wpdb;
-
- if ( defined('XMLRPC_REQUEST') )
- do_action('xmlrpc_publish_post', $post_id);
- if ( defined('APP_REQUEST') )
- do_action('app_publish_post', $post_id);
-
- if ( defined('WP_IMPORTING') )
- return;
-
- $data = array( 'post_id' => $post_id, 'meta_value' => '1' );
- if ( get_option('default_pingback_flag') ) {
- $wpdb->insert( $wpdb->postmeta, $data + array( 'meta_key' => '_pingme' ) );
- do_action( 'added_postmeta', $wpdb->insert_id, $post_id, '_pingme', 1 );
- }
- $wpdb->insert( $wpdb->postmeta, $data + array( 'meta_key' => '_encloseme' ) );
- do_action( 'added_postmeta', $wpdb->insert_id, $post_id, '_encloseme', 1 );
-
- wp_schedule_single_event(time(), 'do_pings');
-}
-
-/**
- * Hook used to prevent page/post cache and rewrite rules from staying dirty.
- *
- * Does two things. If the post is a page and has a template then it will
- * update/add that template to the meta. For both pages and posts, it will clean
- * the post cache to make sure that the cache updates to the changes done
- * recently. For pages, the rewrite rules of WordPress are flushed to allow for
- * any changes.
- *
- * The $post parameter, only uses 'post_type' property and 'page_template'
- * property.
+ * Uses XMLRPC_REQUEST and WP_IMPORTING constants.
*
* @since 2.3.0
* @access private
- * @uses $wp_rewrite Flushes Rewrite Rules.
- *
- * @param int $post_id The ID in the database table for the $post
- * @param object $post Object type containing the post information
- */
-function _save_post_hook($post_id, $post) {
- if ( $post->post_type == 'page' ) {
- clean_page_cache($post_id);
- // Avoid flushing rules for every post during import.
- if ( !defined('WP_IMPORTING') ) {
- global $wp_rewrite;
- $wp_rewrite->flush_rules(false);
- }
- } else {
- clean_post_cache($post_id);
- }
-}
-
-/**
- * Retrieve post ancestors and append to post ancestors property.
- *
- * Will only retrieve ancestors once, if property is already set, then nothing
- * will be done. If there is not a parent post, or post ID and post parent ID
- * are the same then nothing will be done.
- *
- * The parameter is passed by reference, so nothing needs to be returned. The
- * property will be updated and can be referenced after the function is
- * complete. The post parent will be an ancestor and the parent of the post
- * parent will be an ancestor. There will only be two ancestors at the most.
- *
- * @since 2.5.0
- * @access private
- * @uses $wpdb
- *
- * @param object $_post Post data.
- * @return null When nothing needs to be done.
- */
-function _get_post_ancestors(&$_post) {
- global $wpdb;
-
- if ( isset($_post->ancestors) )
- return;
-
- $_post->ancestors = array();
-
- if ( empty($_post->post_parent) || $_post->ID == $_post->post_parent )
- return;
-
- $id = $_post->ancestors[] = $_post->post_parent;
- while ( $ancestor = $wpdb->get_var( $wpdb->prepare("SELECT `post_parent` FROM $wpdb->posts WHERE ID = %d LIMIT 1", $id) ) ) {
- // Loop detection: If the ancestor has been seen before, break.
- if ( ( $ancestor == $_post->ID ) || in_array($ancestor, $_post->ancestors) )
- break;
- $id = $_post->ancestors[] = $ancestor;
- }
-}
-
-/**
- * Determines which fields of posts are to be saved in revisions.
- *
- * Does two things. If passed a post *array*, it will return a post array ready
- * to be inserted into the posts table as a post revision. Otherwise, returns
- * an array whose keys are the post fields to be saved for post revisions.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- * @access private
- * @uses apply_filters() Calls '_wp_post_revision_fields' on 'title', 'content' and 'excerpt' fields.
*
- * @param array $post Optional a post array to be processed for insertion as a post revision.
- * @param bool $autosave optional Is the revision an autosave?
- * @return array Post array ready to be inserted as a post revision or array of fields that can be versioned.
- */
-function _wp_post_revision_fields( $post = null, $autosave = false ) {
- static $fields = false;
-
- if ( !$fields ) {
- // Allow these to be versioned
- $fields = array(
- 'post_title' => __( 'Title' ),
- 'post_content' => __( 'Content' ),
- 'post_excerpt' => __( 'Excerpt' ),
- );
-
- // Runs only once
- $fields = apply_filters( '_wp_post_revision_fields', $fields );
-
- // WP uses these internally either in versioning or elsewhere - they cannot be versioned
- foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect )
- unset( $fields[$protect] );
+ * @param int $post_id The ID in the database table of the post being published.
+ */
+function _publish_post_hook( $post_id ) {
+ if ( defined( 'XMLRPC_REQUEST' ) ) {
+ /**
+ * Fires when _publish_post_hook() is called during an XML-RPC request.
+ *
+ * @since 2.1.0
+ *
+ * @param int $post_id Post ID.
+ */
+ do_action( 'xmlrpc_publish_post', $post_id );
}
- if ( !is_array($post) )
- return $fields;
-
- $return = array();
- foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field )
- $return[$field] = $post[$field];
-
- $return['post_parent'] = $post['ID'];
- $return['post_status'] = 'inherit';
- $return['post_type'] = 'revision';
- $return['post_name'] = $autosave ? "$post[ID]-autosave" : "$post[ID]-revision";
- $return['post_date'] = isset($post['post_modified']) ? $post['post_modified'] : '';
- $return['post_date_gmt'] = isset($post['post_modified_gmt']) ? $post['post_modified_gmt'] : '';
-
- return $return;
-}
-
-/**
- * Saves an already existing post as a post revision.
- *
- * Typically used immediately prior to post updates.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses _wp_put_post_revision()
- *
- * @param int $post_id The ID of the post to save as a revision.
- * @return mixed Null or 0 if error, new revision ID, if success.
- */
-function wp_save_post_revision( $post_id ) {
- // We do autosaves manually with wp_create_post_autosave()
- if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
- return;
-
- // WP_POST_REVISIONS = 0, false
- if ( ! WP_POST_REVISIONS )
- return;
-
- if ( !$post = get_post( $post_id, ARRAY_A ) )
- return;
-
- if ( !post_type_supports($post['post_type'], 'revisions') )
- return;
-
- $return = _wp_put_post_revision( $post );
-
- // WP_POST_REVISIONS = true (default), -1
- if ( !is_numeric( WP_POST_REVISIONS ) || WP_POST_REVISIONS < 0 )
- return $return;
-
- // all revisions and (possibly) one autosave
- $revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) );
-
- // WP_POST_REVISIONS = (int) (# of autosaves to save)
- $delete = count($revisions) - WP_POST_REVISIONS;
-
- if ( $delete < 1 )
- return $return;
-
- $revisions = array_slice( $revisions, 0, $delete );
-
- for ( $i = 0; isset($revisions[$i]); $i++ ) {
- if ( false !== strpos( $revisions[$i]->post_name, 'autosave' ) )
- continue;
- wp_delete_post_revision( $revisions[$i]->ID );
- }
-
- return $return;
-}
-
-/**
- * Retrieve the autosaved data of the specified post.
- *
- * Returns a post object containing the information that was autosaved for the
- * specified post.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @param int $post_id The post ID.
- * @return object|bool The autosaved data or false on failure or when no autosave exists.
- */
-function wp_get_post_autosave( $post_id ) {
-
- if ( !$post = get_post( $post_id ) )
- return false;
-
- $q = array(
- 'name' => "{$post->ID}-autosave",
- 'post_parent' => $post->ID,
- 'post_type' => 'revision',
- 'post_status' => 'inherit'
- );
-
- // Use WP_Query so that the result gets cached
- $autosave_query = new WP_Query;
-
- add_action( 'parse_query', '_wp_get_post_autosave_hack' );
- $autosave = $autosave_query->query( $q );
- remove_action( 'parse_query', '_wp_get_post_autosave_hack' );
-
- if ( $autosave && is_array($autosave) && is_object($autosave[0]) )
- return $autosave[0];
-
- return false;
-}
-
-/**
- * Internally used to hack WP_Query into submission.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @param object $query WP_Query object
- */
-function _wp_get_post_autosave_hack( $query ) {
- $query->is_single = false;
-}
-
-/**
- * Determines if the specified post is a revision.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @param int|object $post Post ID or post object.
- * @return bool|int False if not a revision, ID of revision's parent otherwise.
- */
-function wp_is_post_revision( $post ) {
- if ( !$post = wp_get_post_revision( $post ) )
- return false;
- return (int) $post->post_parent;
-}
-
-/**
- * Determines if the specified post is an autosave.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @param int|object $post Post ID or post object.
- * @return bool|int False if not a revision, ID of autosave's parent otherwise
- */
-function wp_is_post_autosave( $post ) {
- if ( !$post = wp_get_post_revision( $post ) )
- return false;
- if ( "{$post->post_parent}-autosave" !== $post->post_name )
- return false;
- return (int) $post->post_parent;
-}
-
-/**
- * Inserts post data into the posts table as a post revision.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses wp_insert_post()
- *
- * @param int|object|array $post Post ID, post object OR post array.
- * @param bool $autosave Optional. Is the revision an autosave?
- * @return mixed Null or 0 if error, new revision ID if success.
- */
-function _wp_put_post_revision( $post = null, $autosave = false ) {
- if ( is_object($post) )
- $post = get_object_vars( $post );
- elseif ( !is_array($post) )
- $post = get_post($post, ARRAY_A);
- if ( !$post || empty($post['ID']) )
+ if ( defined('WP_IMPORTING') )
return;
- if ( isset($post['post_type']) && 'revision' == $post['post_type'] )
- return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) );
-
- $post = _wp_post_revision_fields( $post, $autosave );
- $post = add_magic_quotes($post); //since data is from db
-
- $revision_id = wp_insert_post( $post );
- if ( is_wp_error($revision_id) )
- return $revision_id;
-
- if ( $revision_id )
- do_action( '_wp_put_post_revision', $revision_id );
- return $revision_id;
-}
-
-/**
- * Gets a post revision.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses get_post()
- *
- * @param int|object $post Post ID or post object
- * @param string $output Optional. OBJECT, ARRAY_A, or ARRAY_N.
- * @param string $filter Optional sanitation filter. @see sanitize_post()
- * @return mixed Null if error or post object if success
- */
-function &wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') {
- $null = null;
- if ( !$revision = get_post( $post, OBJECT, $filter ) )
- return $revision;
- if ( 'revision' !== $revision->post_type )
- return $null;
-
- if ( $output == OBJECT ) {
- return $revision;
- } elseif ( $output == ARRAY_A ) {
- $_revision = get_object_vars($revision);
- return $_revision;
- } elseif ( $output == ARRAY_N ) {
- $_revision = array_values(get_object_vars($revision));
- return $_revision;
- }
-
- return $revision;
-}
-
-/**
- * Restores a post to the specified revision.
- *
- * Can restore a past revision using all fields of the post revision, or only selected fields.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses wp_get_post_revision()
- * @uses wp_update_post()
- * @uses do_action() Calls 'wp_restore_post_revision' on post ID and revision ID if wp_update_post()
- * is successful.
- *
- * @param int|object $revision_id Revision ID or revision object.
- * @param array $fields Optional. What fields to restore from. Defaults to all.
- * @return mixed Null if error, false if no fields to restore, (int) post ID if success.
- */
-function wp_restore_post_revision( $revision_id, $fields = null ) {
- if ( !$revision = wp_get_post_revision( $revision_id, ARRAY_A ) )
- return $revision;
-
- if ( !is_array( $fields ) )
- $fields = array_keys( _wp_post_revision_fields() );
-
- $update = array();
- foreach( array_intersect( array_keys( $revision ), $fields ) as $field )
- $update[$field] = $revision[$field];
-
- if ( !$update )
- return false;
-
- $update['ID'] = $revision['post_parent'];
-
- $update = add_magic_quotes( $update ); //since data is from db
-
- $post_id = wp_update_post( $update );
- if ( is_wp_error( $post_id ) )
- return $post_id;
-
- if ( $post_id )
- do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] );
-
- return $post_id;
-}
-
-/**
- * Deletes a revision.
- *
- * Deletes the row from the posts table corresponding to the specified revision.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses wp_get_post_revision()
- * @uses wp_delete_post()
- *
- * @param int|object $revision_id Revision ID or revision object.
- * @return mixed Null or WP_Error if error, deleted post if success.
- */
-function wp_delete_post_revision( $revision_id ) {
- if ( !$revision = wp_get_post_revision( $revision_id ) )
- return $revision;
-
- $delete = wp_delete_post( $revision->ID );
- if ( is_wp_error( $delete ) )
- return $delete;
-
- if ( $delete )
- do_action( 'wp_delete_post_revision', $revision->ID, $revision );
-
- return $delete;
-}
-
-/**
- * Returns all revisions of specified post.
- *
- * @package WordPress
- * @subpackage Post_Revisions
- * @since 2.6.0
- *
- * @uses get_children()
- *
- * @param int|object $post_id Post ID or post object
- * @return array empty if no revisions
- */
-function wp_get_post_revisions( $post_id = 0, $args = null ) {
- if ( ! WP_POST_REVISIONS )
- return array();
- if ( ( !$post = get_post( $post_id ) ) || empty( $post->ID ) )
- return array();
-
- $defaults = array( 'order' => 'DESC', 'orderby' => 'date' );
- $args = wp_parse_args( $args, $defaults );
- $args = array_merge( $args, array( 'post_parent' => $post->ID, 'post_type' => 'revision', 'post_status' => 'inherit' ) );
-
- if ( !$revisions = get_children( $args ) )
- return array();
- return $revisions;
-}
-
-function _set_preview($post) {
-
- if ( ! is_object($post) )
- return $post;
-
- $preview = wp_get_post_autosave($post->ID);
-
- if ( ! is_object($preview) )
- return $post;
-
- $preview = sanitize_post($preview);
-
- $post->post_content = $preview->post_content;
- $post->post_title = $preview->post_title;
- $post->post_excerpt = $preview->post_excerpt;
-
- return $post;
-}
-
-function _show_post_preview() {
+ if ( get_option('default_pingback_flag') )
+ add_post_meta( $post_id, '_pingme', '1' );
+ add_post_meta( $post_id, '_encloseme', '1' );
- if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) {
- $id = (int) $_GET['preview_id'];
-
- if ( false == wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) )
- wp_die( __('You do not have permission to preview drafts.') );
-
- add_filter('the_preview', '_set_preview');
- }
+ wp_schedule_single_event(time(), 'do_pings');
}
/**
- * Returns the post's parent's post_ID
+ * Return the post's parent's post_ID
*
* @since 3.1.0
*
- * @param int $post_id
+ * @param int $post_ID
*
- * @return int|bool false on error
+ * @return int|false Post parent ID, otherwise false.
*/
function wp_get_post_parent_id( $post_ID ) {
$post = get_post( $post_ID );
}
/**
- * Checks the given subset of the post hierarchy for hierarchy loops.
- * Prevents loops from forming and breaks those that it finds.
+ * Check the given subset of the post hierarchy for hierarchy loops.
*
- * Attached to the wp_insert_post_parent filter.
+ * Prevents loops from forming and breaks those that it finds. Attached
+ * to the {@see 'wp_insert_post_parent'} filter.
*
* @since 3.1.0
- * @uses wp_find_hierarchy_loop()
*
- * @param int $post_parent ID of the parent for the post we're checking.
- * @parem int $post_ID ID of the post we're checking.
+ * @see wp_find_hierarchy_loop()
*
- * @return int The new post_parent for the post.
+ * @param int $post_parent ID of the parent for the post we're checking.
+ * @param int $post_ID ID of the post we're checking.
+ * @return int The new post_parent for the post, 0 otherwise.
*/
function wp_check_post_hierarchy_for_loops( $post_parent, $post_ID ) {
- // Nothing fancy here - bail
+ // Nothing fancy here - bail.
if ( !$post_parent )
return 0;
- // New post can't cause a loop
+ // New post can't cause a loop.
if ( empty( $post_ID ) )
return $post_parent;
- // Can't be its own parent
+ // Can't be its own parent.
if ( $post_parent == $post_ID )
return 0;
- // Now look for larger loops
-
+ // Now look for larger loops.
if ( !$loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_ID, $post_parent ) )
return $post_parent; // No loop
- // Setting $post_parent to the given value causes a loop
+ // Setting $post_parent to the given value causes a loop.
if ( isset( $loop[$post_ID] ) )
return 0;
- // There's a loop, but it doesn't contain $post_ID. Break the loop.
+ // There's a loop, but it doesn't contain $post_ID. Break the loop.
foreach ( array_keys( $loop ) as $loop_member )
wp_update_post( array( 'ID' => $loop_member, 'post_parent' => 0 ) );
}
/**
- * Returns an array of post format slugs to their translated and pretty display versions
- *
- * @since 3.1.0
- *
- * @return array The array of translations
- */
-function get_post_format_strings() {
- $strings = array(
- 'standard' => _x( 'Standard', 'Post format' ), // Special case. any value that evals to false will be considered standard
- 'aside' => _x( 'Aside', 'Post format' ),
- 'chat' => _x( 'Chat', 'Post format' ),
- 'gallery' => _x( 'Gallery', 'Post format' ),
- 'link' => _x( 'Link', 'Post format' ),
- 'image' => _x( 'Image', 'Post format' ),
- 'quote' => _x( 'Quote', 'Post format' ),
- 'status' => _x( 'Status', 'Post format' ),
- 'video' => _x( 'Video', 'Post format' ),
- 'audio' => _x( 'Audio', 'Post format' ),
- );
- return $strings;
-}
-
-/**
- * Retrieves an array of post format slugs.
- *
- * @since 3.1.0
- *
- * @return array The array of post format slugs.
- */
-function get_post_format_slugs() {
- $slugs = array_keys( get_post_format_strings() );
- return array_combine( $slugs, $slugs );
-}
-
-/**
- * Returns a pretty, translated version of a post format slug
- *
- * @since 3.1.0
- *
- * @param string $slug A post format slug
- * @return string The translated post format name
- */
-function get_post_format_string( $slug ) {
- $strings = get_post_format_strings();
- if ( !$slug )
- return $strings['standard'];
- else
- return ( isset( $strings[$slug] ) ) ? $strings[$slug] : '';
-}
-
-/**
- * Sets a post thumbnail.
+ * Set a post thumbnail.
*
* @since 3.1.0
*
- * @param int|object $post Post ID or object where thumbnail should be attached.
- * @param int $thumbnail_id Thumbnail to attach.
- * @return bool True on success, false on failure.
+ * @param int|WP_Post $post Post ID or post object where thumbnail should be attached.
+ * @param int $thumbnail_id Thumbnail to attach.
+ * @return int|bool True on success, false on failure.
*/
function set_post_thumbnail( $post, $thumbnail_id ) {
$post = get_post( $post );
$thumbnail_id = absint( $thumbnail_id );
if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) {
- $thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'thumbnail' );
- if ( ! empty( $thumbnail_html ) ) {
- update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id );
- return true;
- }
+ if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) )
+ return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id );
+ else
+ return delete_post_meta( $post->ID, '_thumbnail_id' );
}
return false;
}
/**
- * Removes a post thumbnail.
+ * Remove a post thumbnail.
*
* @since 3.3.0
*
- * @param int|object $post Post ID or object where thumbnail should be removed from.
+ * @param int|WP_Post $post Post ID or post object where thumbnail should be removed from.
* @return bool True on success, false on failure.
*/
function delete_post_thumbnail( $post ) {
}
/**
- * Returns a link to a post format index.
+ * Delete auto-drafts for new posts that are > 7 days old.
*
- * @since 3.1.0
+ * @since 3.4.0
*
- * @param string $format Post format
- * @return string Link
+ * @global wpdb $wpdb WordPress database abstraction object.
*/
-function get_post_format_link( $format ) {
- $term = get_term_by('slug', 'post-format-' . $format, 'post_format' );
- if ( ! $term || is_wp_error( $term ) )
- return false;
- return get_term_link( $term );
-}
+function wp_delete_auto_drafts() {
+ global $wpdb;
-/**
- * Filters the request to allow for the format prefix.
- *
- * @access private
- * @since 3.1.0
- */
-function _post_format_request( $qvs ) {
- if ( ! isset( $qvs['post_format'] ) )
- return $qvs;
- $slugs = get_post_format_slugs();
- if ( isset( $slugs[ $qvs['post_format'] ] ) )
- $qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ];
- $tax = get_taxonomy( 'post_format' );
- if ( ! is_admin() )
- $qvs['post_type'] = $tax->object_type;
- return $qvs;
+ // Cleanup old auto-drafts more than 7 days old.
+ $old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" );
+ foreach ( (array) $old_posts as $delete ) {
+ // Force delete.
+ wp_delete_post( $delete, true );
+ }
}
-add_filter( 'request', '_post_format_request' );
/**
- * Filters the post format term link to remove the format prefix.
+ * Queues posts for lazy-loading of term meta.
*
- * @access private
- * @since 3.1.0
+ * @since 4.5.0
+ *
+ * @param array $posts Array of WP_Post objects.
*/
-function _post_format_link( $link, $term, $taxonomy ) {
- global $wp_rewrite;
- if ( 'post_format' != $taxonomy )
- return $link;
- if ( $wp_rewrite->get_extra_permastruct( $taxonomy ) ) {
- return str_replace( "/{$term->slug}", '/' . str_replace( 'post-format-', '', $term->slug ), $link );
- } else {
- $link = remove_query_arg( 'post_format', $link );
- return add_query_arg( 'post_format', str_replace( 'post-format-', '', $term->slug ), $link );
+function wp_queue_posts_for_term_meta_lazyload( $posts ) {
+ $post_type_taxonomies = $term_ids = array();
+ foreach ( $posts as $post ) {
+ if ( ! ( $post instanceof WP_Post ) ) {
+ continue;
+ }
+
+ if ( ! isset( $post_type_taxonomies[ $post->post_type ] ) ) {
+ $post_type_taxonomies[ $post->post_type ] = get_object_taxonomies( $post->post_type );
+ }
+
+ foreach ( $post_type_taxonomies[ $post->post_type ] as $taxonomy ) {
+ // Term cache should already be primed by `update_post_term_cache()`.
+ $terms = get_object_term_cache( $post->ID, $taxonomy );
+ if ( false !== $terms ) {
+ foreach ( $terms as $term ) {
+ if ( ! isset( $term_ids[ $term->term_id ] ) ) {
+ $term_ids[] = $term->term_id;
+ }
+ }
+ }
+ }
+ }
+
+ if ( $term_ids ) {
+ $lazyloader = wp_metadata_lazyloader();
+ $lazyloader->queue_objects( 'term', $term_ids );
}
}
-add_filter( 'term_link', '_post_format_link', 10, 3 );
/**
- * Remove the post format prefix from the name property of the term object created by get_term().
+ * Update the custom taxonomies' term counts when a post's status is changed.
+ *
+ * For example, default posts term counts (for custom taxonomies) don't include
+ * private / draft posts.
*
+ * @since 3.3.0
* @access private
- * @since 3.1.0
+ *
+ * @param string $new_status New post status.
+ * @param string $old_status Old post status.
+ * @param WP_Post $post Post object.
*/
-function _post_format_get_term( $term ) {
- if ( isset( $term->slug ) ) {
- $term->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
+function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) {
+ // Update counts for the post's terms.
+ foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) {
+ $tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) );
+ wp_update_term_count( $tt_ids, $taxonomy );
}
- return $term;
}
-add_filter( 'get_post_format', '_post_format_get_term' );
/**
- * Remove the post format prefix from the name property of the term objects created by get_terms().
+ * Adds any posts from the given ids to the cache that do not already exist in cache
*
+ * @since 3.4.0
* @access private
- * @since 3.1.0
+ *
+ * @see update_post_caches()
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $ids ID list.
+ * @param bool $update_term_cache Optional. Whether to update the term cache. Default true.
+ * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true.
*/
-function _post_format_get_terms( $terms, $taxonomies, $args ) {
- if ( in_array( 'post_format', (array) $taxonomies ) ) {
- if ( isset( $args['fields'] ) && 'names' == $args['fields'] ) {
- foreach( $terms as $order => $name ) {
- $terms[$order] = get_post_format_string( str_replace( 'post-format-', '', $name ) );
- }
- } else {
- foreach ( (array) $terms as $order => $term ) {
- if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
- $terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
- }
- }
- }
+function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) {
+ global $wpdb;
+
+ $non_cached_ids = _get_non_cached_ids( $ids, 'posts' );
+ if ( !empty( $non_cached_ids ) ) {
+ $fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", join( ",", $non_cached_ids ) ) );
+
+ update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache );
}
- return $terms;
}
-add_filter( 'get_terms', '_post_format_get_terms', 10, 3 );
/**
- * Remove the post format prefix from the name property of the term objects created by wp_get_object_terms().
+ * Adds a suffix if any trashed posts have a given slug.
+ *
+ * Store its desired (i.e. current) slug so it can try to reclaim it
+ * if the post is untrashed.
*
+ * For internal use.
+ *
+ * @since 4.5.0
* @access private
- * @since 3.1.0
+ *
+ * @param string $post_name Slug.
+ * @param string $post_ID Optional. Post ID that should be ignored. Default 0.
*/
-function _post_format_wp_get_object_terms( $terms ) {
- foreach ( (array) $terms as $order => $term ) {
- if ( isset( $term->taxonomy ) && 'post_format' == $term->taxonomy ) {
- $terms[$order]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
+function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID = 0 ) {
+ $trashed_posts_with_desired_slug = get_posts( array(
+ 'name' => $post_name,
+ 'post_status' => 'trash',
+ 'post_type' => 'any',
+ 'nopaging' => true,
+ 'post__not_in' => array( $post_ID )
+ ) );
+
+ if ( ! empty( $trashed_posts_with_desired_slug ) ) {
+ foreach ( $trashed_posts_with_desired_slug as $_post ) {
+ wp_add_trashed_suffix_to_post_name_for_post( $_post );
}
}
- return $terms;
}
-add_filter( 'wp_get_object_terms', '_post_format_wp_get_object_terms' );
/**
- * Update the custom taxonomies' term counts when a post's status is changed. For example, default posts term counts (for custom taxonomies) don't include private / draft posts.
+ * Adds a trashed suffix for a given post.
+ *
+ * Store its desired (i.e. current) slug so it can try to reclaim it
+ * if the post is untrashed.
*
+ * For internal use.
+ *
+ * @since 4.5.0
* @access private
- * @param string $new_status
- * @param string $old_status
- * @param object $post
- * @since 3.3.0
+ *
+ * @param WP_Post $post The post.
+ * @return string New slug for the post.
*/
-function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) {
- // Update counts for the post's terms.
- foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) {
- $tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) );
- wp_update_term_count( $tt_ids, $taxonomy );
+function wp_add_trashed_suffix_to_post_name_for_post( $post ) {
+ global $wpdb;
+
+ $post = get_post( $post );
+
+ if ( '__trashed' === substr( $post->post_name, -9 ) ) {
+ return $post->post_name;
}
+ add_post_meta( $post->ID, '_wp_desired_post_slug', $post->post_name );
+ $post_name = _truncate_post_slug( $post->post_name, 191 ) . '__trashed';
+ $wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) );
+ clean_post_cache( $post->ID );
+ return $post_name;
}
-?>