*
* @param int $attachment_id Attachment ID.
* @param bool $unfiltered Optional. Whether to apply filters. Default false.
- * @return string|bool The file path to where the attached file should be, false otherwise.
+ * @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 );
* @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.
*
* @since 1.5.1
*
- * @param int|WP_Post $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'.
+ * @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.
*/
*
* @since 3.5.0
*
+ * @property string $page_template
+ *
* @property-read array $ancestors
- * @property-read string $page_template
* @property-read int $post_category
* @property-read string $tag_input
*
* @static
* @access public
*
+ * @global wpdb $wpdb
+ *
* @param int $post_id Post ID.
- * @return WP_Post|bool Post object, false otherwise.
+ * @return WP_Post|false Post object, false otherwise.
*/
public static function get_instance( $post_id ) {
global $wpdb;
/**
* Constructor.
*
- * @param WP_Post $post Post object.
+ * @param WP_Post|object $post Post object.
*/
public function __construct( $post ) {
foreach ( get_object_vars( $post ) as $key => $value )
* Getter.
*
* @param string $key Key to get.
- * @return array|mixed
+ * @return mixed
*/
public function __get( $key ) {
if ( 'page_template' == $key && $this->__isset( $key ) ) {
* {@Missing Summary}
*
* @param string $filter Filter.
- * @return $this|array|bool|object|WP_Post
+ * @return self|array|bool|object|WP_Post
*/
public function filter( $filter ) {
if ( $this->filter == $filter )
* Arguments prefixed with an _underscore shouldn't be used by plugins and themes.
*
* @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 {
* @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 true.
+ * 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.
* 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;
* @see register_post_status()
*
* @param string $post_status The name of a registered post status.
- * @return object A post status object.
+ * @return object|null A post status object.
*/
function get_post_status_object( $post_status ) {
global $wp_post_statuses;
*
* @since 2.1.0
*
- * @param int|WP_Post $post Optional. Post ID or post object. Default is global $post.
- * @return string|false Post type on success, 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( $post = null ) {
if ( $post = get_post( $post ) )
* @see register_post_type()
*
* @param string $post_type The name of a registered post type.
- * @return object A post type object.
+ * @return object|null A post type object.
*/
function get_post_type_object( $post_type ) {
global $wp_post_types;
* @since 3.1.0
* @access private
*
- * @param null|array $capabilities Post type meta capabilities.
+ * @staticvar array $meta_caps
+ *
+ * @param array|void $capabilities Post type meta capabilities.
*/
function _post_type_meta_capabilities( $capabilities = null ) {
static $meta_caps = array();
* - 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.
+ * - featured_image - Default is Featured Image.
+ * - set_featured_image - Default is Set featured image.
+ * - remove_featured_image - Default is Remove featured image.
+ * - use_featured_image - Default is Use as featured image.
* - menu_name - Default is the same as `name`.
*
* Above, the first default value is for non-hierarchical post types (like posts)
* and the second one is for hierarchical post types (like pages).
*
* @since 3.0.0
+ * @since 4.3.0 Added the `featured_image`, `set_featured_image`, `remove_featured_image`,
+ * and `use_featured_image` labels.
* @access private
*
* @param object $post_type_object Post type object.
'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' ) ),
+ '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' ) ),
);
$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
*
* @see get_post_type_labels() for the full list of labels.
*
- * @param array $labels Array of labels for the given post type.
+ * @param object $labels Object with labels for the post type as member variables.
*/
return apply_filters( "post_type_labels_{$post_type}", $labels );
}
$defaults[$key] = $object->hierarchical ? $value[1] : $value[0];
}
$labels = array_merge( $defaults, $object->labels );
- return (object)$labels;
+ return (object) $labels;
}
/**
*
* @since 3.0.0
*
+ * @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.
*
* @since 3.0.0
*
+ * @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][$feature] ) )
- unset( $_wp_post_type_features[$post_type][$feature] );
+ unset( $_wp_post_type_features[ $post_type ][ $feature ] );
}
/**
*
* @since 3.4.0
*
+ * @global array $_wp_post_type_features
+ *
* @param string $post_type The post type.
* @return array Post type supports list.
*/
*
* @since 3.0.0
*
+ * @global array $_wp_post_type_features
+ *
* @param string $post_type The post type being checked.
- * @param string $feature the feature 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 ) {
* @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 Amount of rows changed. Should be 1 for success and 0 for failure.
+ * @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;
* @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|bool Meta ID on success, false on failure.
+ * @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.
* @since 1.2.0
*
* @param int $post_id Optional. Post ID. Default is ID of the global $post.
- * @return array|null Either array of the keys, or null if keys could not be
- * retrieved.
+ * @return array|void Array of the keys, if retrieved.
*/
function get_post_custom_keys( $post_id = 0 ) {
$custom = get_post_custom( $post_id );
*
* @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 Meta field values.
+ * @return array|null Meta field values.
*/
function get_post_custom_values( $key = '', $post_id = 0 ) {
if ( !$key )
*
* @since 2.5.0
*
+ * @global wpdb $wpdb
+ *
* @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.
*
* @since 2.5.0
*
+ * @global wpdb $wpdb
+ *
* @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.
* @param int $postid Optional. Post ID. Default 0.
* @param bool $force_delete Optional. Whether to bypass trash and force deletion.
* Default false.
- * @return array|bool|WP_Post False on failure.
+ * @return array|false|WP_Post False on failure.
*/
function wp_delete_post( $postid = 0, $force_delete = false ) {
global $wpdb;
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 );
*
* @param int $post_id Optional. Post ID. Default is ID of the global $post
* if EMPTY_TRASH_DAYS equals true.
- * @return bool|array Post data array, otherwise false.
+ * @return false|array|WP_Post|null Post data array, otherwise false.
*/
function wp_trash_post( $post_id = 0 ) {
if ( !EMPTY_TRASH_DAYS )
* @since 2.9.0
*
* @param int $post_id Optional. Post ID. Default is ID of the global $post.
- * @return WP_Post|bool WP_Post object. False on failure.
+ * @return WP_Post|false WP_Post object. False on failure.
*/
function wp_untrash_post( $post_id = 0 ) {
if ( !$post = get_post($post_id, ARRAY_A) )
*
* @global wpdb $wpdb WordPress database abstraction object.
*
- * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post.
- * @return mixed False on failure.
+ * @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 ) {
global $wpdb;
*
* @since 2.9.0
*
- * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post.
- * @return null|bool Null on failure.
+ * @global wpdb $wpdb
+ *
+ * @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 ) {
global $wpdb;
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) );
* global $post. Default 0.
* @param string $taxonomy Optional. The taxonomy for which to retrieve terms. Default 'post_tag'.
* @param array $args Optional. {@link wp_get_object_terms()} arguments. Default empty array.
- * @return array List of post tags.
+ * @return array|WP_Error List of post terms or empty array if no terms were found. WP_Error object
+ * if `$taxonomy` doesn't exist.
*/
function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) {
$post_id = (int) $post_id;
*
* @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|bool Associative array if $output equals ARRAY_A, array or false if no results.
+ * @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 ) {
$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' => '', 'context' => '');
+ $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);
if ( mysql2date('U', $post_date_gmt, false) > mysql2date('U', $now, false) ) {
$post_status = 'future';
}
- } elseif( 'future' == $post_status ) {
+ } 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';
}
}
+ // Comment status.
if ( empty( $postarr['comment_status'] ) ) {
if ( $update ) {
$comment_status = 'closed';
} else {
- $comment_status = get_option('default_comment_status');
+ $comment_status = get_default_comment_status( $post_type );
}
} else {
$comment_status = $postarr['comment_status'];
// These variables are needed by compact() later.
$post_content_filtered = $postarr['post_content_filtered'];
$post_author = empty( $postarr['post_author'] ) ? $user_id : $postarr['post_author'];
- $ping_status = empty( $postarr['ping_status'] ) ? get_option( 'default_ping_status' ) : $postarr['ping_status'];
+ $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;
}
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 );
+ $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' ) ) {
* @since 2.5.0
*
* @param int|WP_Post $post_id Post ID or post object.
- * @return null Nothing is returned. Which can mean that no action is required
- * or post was published.
*/
function check_and_publish_future_post( $post_id ) {
-
$post = get_post($post_id);
if ( empty($post) )
return;
}
- return wp_publish_post($post_id);
+ // wp_publish_post(_ returns no meaninful value
+ wp_publish_post( $post_id );
}
/**
*
* @since 2.8.0
*
- * @global wpdb $wpdb WordPress database abstraction object.
+ * @global wpdb $wpdb WordPress database abstraction object.
* @global WP_Rewrite $wp_rewrite
*
* @param string $slug The desired slug (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 ) );
+ // 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;
+ }
+ }
+
/**
* Filter 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 ) || apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ) ) {
+ if ( $post_name_check || in_array( $slug, $feeds ) || $conflicts_with_date_archive || apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ) ) {
$suffix = 2;
do {
$alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
* @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post.
* Default 0.
* @param string $tags Optional. The tags to set for the post, separated by commas. Default empty.
- * @return bool|null Will return false if $post_id is not an integer or is 0. Will return null otherwise.
+ * @return array|false|WP_Error Will return false if $post_id is not an integer or is 0.
*/
function wp_add_post_tags( $post_id = 0, $tags = '' ) {
return wp_set_post_tags($post_id, $tags, true);
* 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 mixed Array of affected term IDs. WP_Error or false on failure.
+ * @return array|false|WP_Error Array of affected term IDs. 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);
* @param string $taxonomy Optional. Taxonomy name. Default 'post_tag'.
* @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 mixed Array of affected term IDs. WP_Error or false on failure.
+ * @return array|false|WP_Error Array of affected term IDs. 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;
* 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 bool|mixed
+ * @return array|bool|WP_Error
*/
function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $append = false ) {
$post_ID = (int) $post_ID;
}
/**
- * Transition the post status of a post.
+ * Fires actions related to the transitioning of a post's status.
*
* When a post is saved, the post status is "transitioned" from one status to another,
* though this does not always mean the status has actually changed before and after
- * the save.
+ * the save. This function fires a number of action hooks related to that transition:
+ * the generic 'transition_post_status' action, as well as the dynamic hooks
+ * `"{$old_status}_to_{$new_status}"` and `"{$new_status}_{$post->post_type}"`. Note
+ * that the function does not transition the post object in the database.
*
* 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
}
//
-// Trackback and ping functions
+// Comment, trackback, and pingback functions.
//
/**
*
* @param int $post_id Post ID.
* @param string $uri Ping URI.
- * @return int How many rows were updated.
+ * @return int|false How many rows were updated.
*/
function add_ping( $post_id, $uri ) {
global $wpdb;
* @param array $pung Array of enclosures for the given post.
* @param int $post_id Post ID.
*/
- $pung = apply_filters( 'get_enclosed', $pung, $post_id );
- return $pung;
+ return apply_filters( 'get_enclosed', $pung, $post_id );
}
/**
*
* @param array $pung Array of URLs already pinged for the given post.
*/
- $pung = apply_filters( 'get_pung', $pung );
- return $pung;
+ return apply_filters( 'get_pung', $pung );
}
/**
*
* @param array $to_ping List of URLs yet to ping.
*/
- $to_ping = apply_filters( 'get_to_ping', $to_ping );
- return $to_ping;
+ return apply_filters( 'get_to_ping', $to_ping );
}
/**
* Default OBJECT.
* @param string $filter Optional. How the return value should be filtered. Accepts 'raw',
* 'edit', 'db', 'display'. Default 'raw'.
- * @return WP_Post|null WP_Post on success or null on failure.
+ * @return WP_Post|array|null WP_Post on success or null on failure.
*/
function get_page( $page, $output = OBJECT, $filter = 'raw') {
return get_post( $page, $output, $filter );
* @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|null WP_Post on success or null on failure.
+ * @return WP_Post|array|void WP_Post on success.
*/
function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
global $wpdb;
}
}
- if ( $foundid )
+ if ( $foundid ) {
return get_post( $foundid, $output );
-
- return null;
+ }
}
/**
* @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|null WP_Post on success or null on failure
+ * @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' ) {
global $wpdb;
$page = $wpdb->get_var( $sql );
- if ( $page )
+ if ( $page ) {
return get_post( $page, $output );
-
- return null;
+ }
}
/**
- * Retrieve child pages from list of pages matching page ID.
+ * Identify descendants of a given page ID in a list of page objects.
*
- * Matches against the pages parameter against the page ID. Also matches all
- * children for the same to retrieve all children of a page. Does not make any
- * SQL queries to get the children.
+ * Descendants are identified from the `$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.
+ * @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();
+ // 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[] = $child;
+ }
}
}
}
*/
function get_page_hierarchy( &$pages, $page_id = 0 ) {
if ( empty( $pages ) ) {
- $result = array();
- return $result;
+ return array();
}
$children = array();
* @type string $post_status A comma-separated list of post status types to include.
* Default 'publish'.
* }
- * @return array List of pages matching defaults or `$args`.
+ * @return array|false List of pages matching defaults or `$args`.
*/
function get_pages( $args = array() ) {
global $wpdb;
* @param array $pages List of pages to retrieve.
* @param array $r Array of get_pages() arguments.
*/
- $pages = apply_filters( 'get_pages', $pages, $r );
-
- return $pages;
+ return apply_filters( 'get_pages', $pages, $r );
}
//
*
* @param int $post_id Attachment ID. Default 0.
* @param bool $unfiltered Optional. If true, filters are not run. Default false.
- * @return string|bool Attachment meta field. False on failure.
+ * @return mixed Attachment meta field. False on failure.
*/
function wp_get_attachment_metadata( $post_id = 0, $unfiltered = false ) {
$post_id = (int) $post_id;
*
* @since 2.1.0
*
+ * @global string $pagenow
+ *
* @param int $post_id Optional. Attachment ID. Default 0.
- * @return string|bool Attachment URL, otherwise false.
+ * @return string|false Attachment URL, otherwise false.
*/
function wp_get_attachment_url( $post_id = 0 ) {
$post_id = (int) $post_id;
* @since 2.1.0
*
* @param int $post_id Optional. Attachment ID. Default 0.
- * @return mixed False on failure. Thumbnail file path on success.
+ * @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;
* @since 2.1.0
*
* @param int $post_id Optional. Attachment ID. Default 0.
- * @return string|bool False on failure. Thumbnail URL on success.
+ * @return string|false False on failure. Thumbnail URL on success.
*/
function wp_get_attachment_thumb_url( $post_id = 0 ) {
$post_id = (int) $post_id;
* Checks if the attachment is an image.
*
* @since 2.1.0
- * @since 4.2.0 Modified into wrapper for wp_attachment_is()
+ * @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. Default 0.
* @return bool Whether the attachment is an image.
* @since 2.1.0
*
* @param string|int $mime MIME type or attachment ID.
- * @return string|bool Icon, false otherwise.
+ * @return string|false Icon, false otherwise.
*/
function wp_mime_type_icon( $mime = 0 ) {
if ( !is_numeric($mime) )
* @param int $post_id Post ID.
* @param WP_Post $post The Post Object
* @param WP_Post $post_before The Previous Post Object
- * @return int Same as $post_id
*/
function wp_check_for_changed_slugs( $post_id, $post, $post_before ) {
// Don't bother if it hasnt changed.
* published posts, and all private posts to which the user has access.
*
* @since 2.2.0
+ * @since 4.3.0 Added the ability to pass an array to `$post_type`.
*
- * @param string $post_type 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( $post_type ) {
* Retrieve the post SQL based on capability, author, and type.
*
* @since 3.0.0
+ * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`.
*
* @see get_private_posts_cap_sql()
*
- * @param string $post_type Post type.
- * @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.
+ * @global wpdb $wpdb
+ *
+ * @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, $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 ';
-
- /**
- * Filter 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 = $post_type_obj->cap->read_private_posts;
+ if ( is_array( $post_type ) ) {
+ $post_types = $post_type;
+ } else {
+ $post_types = array( $post_type );
}
- $sql = $wpdb->prepare( 'post_type = %s', $post_type );
+ $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 ( null !== $post_author ) {
- $sql .= $wpdb->prepare( ' AND post_author = %d', $post_author );
- }
+ /**
+ * Filter 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 );
+ }
- // Only need to check the cap if $public_only is false.
- $post_status_sql = "post_status = 'publish'";
- if ( false === $public_only ) {
- if ( current_user_can( $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 ) {
+ // 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
- } // else none
+ }
+
+ $post_type_clauses[] = "( post_type = '" . $post_type . "' AND ( $post_status_sql ) )";
+ }
+
+ if ( empty( $post_type_clauses ) ) {
+ return $full ? 'WHERE 1 = 0' : '1 = 0';
}
- $sql .= " AND ($post_status_sql)";
+ $sql = '( '. implode( ' OR ', $post_type_clauses ) . ' )';
+
+ if ( null !== $post_author ) {
+ $sql .= $wpdb->prepare( ' AND post_author = %d', $post_author );
+ }
if ( $full ) {
$sql = 'WHERE ' . $sql;
* @since 3.1.0
* @access private
*
+ * @global wpdb $wpdb
+ *
* @param string $timezone The timezone for the timestamp. See {@see get_lastpostmodified()}
* for information on accepted values.
* @param string $field Post field to check. Accepts 'date' or 'modified'.
- * @return string The timestamp.
+ * @return string|false The timestamp.
*/
function _get_last_post_time( $timezone, $field ) {
global $wpdb;
*
* @since 2.0.0
*
+ * @global bool $_wp_suspend_cache_invalidation
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int|WP_Post $post Post ID or post object to remove from the cache.
* @since 2.1.0
*
* @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 ) {
return update_meta_cache('post', $post_ids);
*
* @since 3.0.0
*
- * @see wp_suspend_cache_invalidation()
+ * @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. Default false.
*
* @param int $post_ID
*
- * @return int|bool Post parent ID, otherwise false.
+ * @return int|false Post parent ID, otherwise false.
*/
function wp_get_post_parent_id( $post_ID ) {
$post = get_post( $post_ID );
*
* @param int|WP_Post $post Post ID or post object where thumbnail should be attached.
* @param int $thumbnail_id Thumbnail to attach.
- * @return bool True on success, false on failure.
+ * @return int|bool True on success, false on failure.
*/
function set_post_thumbnail( $post, $thumbnail_id ) {
$post = get_post( $post );
*
* @see update_post_caches()
*
+ * @global wpdb $wpdb
+ *
* @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.
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