X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/53f4633144ed68c8b8fb5861f992b5489894a940..16e7b37c7914d753890c1a05a9335f3b43751eb8:/wp-includes/post.php diff --git a/wp-includes/post.php b/wp-includes/post.php index 912a03c8..c81f5c58 100644 --- a/wp-includes/post.php +++ b/wp-includes/post.php @@ -1,10 +1,9 @@ array( - 'name_admin_bar' => _x( 'Post', 'add new on admin bar' ), + 'name_admin_bar' => _x( 'Post', 'add new from admin bar' ), ), 'public' => true, '_builtin' => true, /* 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', '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' ), + 'show_in_rest' => true, + 'rest_base' => 'posts', + 'rest_controller_class' => 'WP_REST_Posts_Controller', ) ); register_post_type( 'page', array( 'labels' => array( - 'name_admin_bar' => _x( 'Page', 'add new on admin bar' ), + 'name_admin_bar' => _x( 'Page', 'add new from admin bar' ), ), 'public' => true, 'publicly_queryable' => false, @@ -43,11 +48,15 @@ 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' => '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' ), + 'show_in_rest' => true, + 'rest_base' => 'pages', + 'rest_controller_class' => 'WP_REST_Posts_Controller', ) ); register_post_type( 'attachment', array( @@ -57,6 +66,7 @@ function create_initial_post_types() { 'add_new' => _x( 'Add New', 'add new media' ), 'edit_item' => __( 'Edit Media' ), 'view_item' => __( 'View Attachment Page' ), + 'attributes' => __( 'Attachment Attributes' ), ), 'public' => true, 'show_ui' => true, @@ -73,6 +83,9 @@ function create_initial_post_types() { 'show_in_nav_menus' => false, 'delete_with_user' => true, 'supports' => array( 'title', 'author', 'comments' ), + 'show_in_rest' => true, + 'rest_base' => 'media', + 'rest_controller_class' => 'WP_REST_Attachments_Controller', ) ); add_post_type_support( 'attachment:audio', 'thumbnail' ); add_post_type_support( 'attachment:video', 'thumbnail' ); @@ -108,43 +121,117 @@ function create_initial_post_types() { 'query_var' => false, ) ); + register_post_type( 'custom_css', array( + 'labels' => array( + 'name' => __( 'Custom CSS' ), + 'singular_name' => __( 'Custom CSS' ), + ), + 'public' => false, + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'delete_with_user' => false, + 'can_export' => true, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + 'supports' => array( 'title', 'revisions' ), + 'capabilities' => array( + 'delete_posts' => 'edit_theme_options', + 'delete_post' => 'edit_theme_options', + 'delete_published_posts' => 'edit_theme_options', + 'delete_private_posts' => 'edit_theme_options', + 'delete_others_posts' => 'edit_theme_options', + 'edit_post' => 'edit_css', + 'edit_posts' => 'edit_css', + 'edit_others_posts' => 'edit_css', + 'edit_published_posts' => 'edit_css', + 'read_post' => 'read', + 'read_private_posts' => 'read', + 'publish_posts' => 'edit_theme_options', + ), + ) ); + + register_post_type( 'customize_changeset', array( + 'labels' => array( + 'name' => _x( 'Changesets', 'post type general name' ), + 'singular_name' => _x( 'Changeset', 'post type singular name' ), + 'menu_name' => _x( 'Changesets', 'admin menu' ), + 'name_admin_bar' => _x( 'Changeset', 'add new on admin bar' ), + 'add_new' => _x( 'Add New', 'Customize Changeset' ), + 'add_new_item' => __( 'Add New Changeset' ), + 'new_item' => __( 'New Changeset' ), + 'edit_item' => __( 'Edit Changeset' ), + 'view_item' => __( 'View Changeset' ), + 'all_items' => __( 'All Changesets' ), + 'search_items' => __( 'Search Changesets' ), + 'not_found' => __( 'No changesets found.' ), + 'not_found_in_trash' => __( 'No changesets found in Trash.' ), + ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + 'map_meta_cap' => true, + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'can_export' => false, + 'delete_with_user' => false, + 'supports' => array( 'title', 'author' ), + 'capability_type' => 'customize_changeset', + 'capabilities' => array( + 'create_posts' => 'customize', + 'delete_others_posts' => 'customize', + 'delete_post' => 'customize', + 'delete_posts' => 'customize', + 'delete_private_posts' => 'customize', + 'delete_published_posts' => 'customize', + 'edit_others_posts' => 'customize', + 'edit_post' => 'customize', + 'edit_posts' => 'customize', + 'edit_private_posts' => 'customize', + 'edit_published_posts' => 'do_not_allow', + 'publish_posts' => 'customize', + 'read' => 'read', + 'read_post' => 'customize', + 'read_private_posts' => 'customize', + ), + ) ); + 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 (%s)', 'Published (%s)' ), ) ); 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 (%s)', 'Scheduled (%s)' ), ) ); 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 (%s)', 'Drafts (%s)' ), ) ); 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 (%s)', 'Pending (%s)' ), ) ); 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 (%s)', 'Private (%s)' ), ) ); 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 (%s)', 'Trash (%s)' ), @@ -185,14 +272,18 @@ function create_initial_post_types() { */ 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 ( $file && 0 !== strpos($file, '/') && !preg_match('|^.:\\\|', $file) && ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) ) + 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; + } /** - * Filter the attached file based on the given ID. + * Filters the attached file based on the given ID. * * @since 2.1.0 * @@ -219,7 +310,7 @@ function update_attached_file( $attachment_id, $file ) { return false; /** - * Filter the path to the attached file to update. + * Filters the path to the attached file to update. * * @since 2.1.0 * @@ -247,14 +338,14 @@ function update_attached_file( $attachment_id, $file ) { function _wp_relative_upload_path( $path ) { $new_path = $path; - $uploads = wp_upload_dir(); + $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, '/' ); } /** - * Filter the relative path to an uploaded file. + * Filters the relative path to an uploaded file. * * @since 2.9.0 * @@ -277,15 +368,14 @@ function _wp_relative_upload_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 @@ -311,8 +401,8 @@ function _wp_relative_upload_path( $path ) { * @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. + * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to + * a WP_Post object, an associative array, or a numeric array, respectively. Default OBJECT. * @return array Array of children, where the type of each element is determined by $output parameter. * Empty array on failure. */ @@ -383,7 +473,7 @@ function get_children( $args = '', $output = OBJECT ) { * @since 1.0.0 * * @param string $post Post content. - * @return array Post before ('main'), after ('extended'), and custom readmore ('more_text'). + * @return array Post before ('main'), after ('extended'), and custom read more ('more_text'). */ function get_extended( $post ) { //Match the new style more links. @@ -407,16 +497,16 @@ function get_extended( $post ) { /** * 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 * * @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 $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to + * a WP_Post object, an associative array, or a numeric array, respectively. 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. @@ -454,338 +544,6 @@ function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) { return $_post; } -/** - * WordPress Post class. - * - * @since 3.5.0 - * - * @property string $page_template - * - * @property-read array $ancestors - * @property-read int $post_category - * @property-read string $tag_input - * - */ -final class WP_Post { - - /** - * Post ID. - * - * @var int - */ - public $ID; - - /** - * ID of post author. - * - * A numeric string, for compatibility reasons. - * - * @var string - */ - public $post_author = 0; - - /** - * The post's local publication time. - * - * @var string - */ - public $post_date = '0000-00-00 00:00:00'; - - /** - * The post's GMT publication time. - * - * @var string - */ - public $post_date_gmt = '0000-00-00 00:00:00'; - - /** - * The post's content. - * - * @var string - */ - public $post_content = ''; - - /** - * The post's title. - * - * @var string - */ - public $post_title = ''; - - /** - * The post's excerpt. - * - * @var string - */ - public $post_excerpt = ''; - - /** - * The post's status. - * - * @var string - */ - public $post_status = 'publish'; - - /** - * Whether comments are allowed. - * - * @var string - */ - public $comment_status = 'open'; - - /** - * Whether pings are allowed. - * - * @var string - */ - public $ping_status = 'open'; - - /** - * The post's password in plain text. - * - * @var string - */ - public $post_password = ''; - - /** - * The post's slug. - * - * @var string - */ - public $post_name = ''; - - /** - * URLs queued to be pinged. - * - * @var string - */ - public $to_ping = ''; - - /** - * URLs that have been pinged. - * - * @var string - */ - public $pinged = ''; - - /** - * The post's local modified time. - * - * @var string - */ - public $post_modified = '0000-00-00 00:00:00'; - - /** - * The post's GMT modified time. - * - * @var string - */ - public $post_modified_gmt = '0000-00-00 00:00:00'; - - /** - * A utility DB field for post content. - * - * - * @var string - */ - public $post_content_filtered = ''; - - /** - * ID of a post's parent post. - * - * @var int - */ - public $post_parent = 0; - - /** - * The unique identifier for a post, not necessarily a URL, used as the feed GUID. - * - * @var string - */ - public $guid = ''; - - /** - * A field used for ordering posts. - * - * @var int - */ - public $menu_order = 0; - - /** - * The post's type, like post or page. - * - * @var string - */ - public $post_type = 'post'; - - /** - * An attachment's mime type. - * - * @var string - */ - public $post_mime_type = ''; - - /** - * Cached comment count. - * - * A numeric string, for compatibility reasons. - * - * @var string - */ - public $comment_count = 0; - - /** - * Stores the post object's sanitization level. - * - * Does not correspond to a DB field. - * - * @var string - */ - public $filter; - - /** - * Retrieve WP_Post instance. - * - * @static - * @access public - * - * @global wpdb $wpdb - * - * @param int $post_id Post ID. - * @return WP_Post|false Post object, false otherwise. - */ - public static function get_instance( $post_id ) { - global $wpdb; - - $post_id = (int) $post_id; - if ( ! $post_id ) - return false; - - $_post = wp_cache_get( $post_id, 'posts' ); - - if ( ! $_post ) { - $_post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d LIMIT 1", $post_id ) ); - - if ( ! $_post ) - return false; - - $_post = sanitize_post( $_post, 'raw' ); - wp_cache_add( $_post->ID, $_post, 'posts' ); - } elseif ( empty( $_post->filter ) ) { - $_post = sanitize_post( $_post, 'raw' ); - } - - return new WP_Post( $_post ); - } - - /** - * Constructor. - * - * @param WP_Post|object $post Post object. - */ - public function __construct( $post ) { - foreach ( get_object_vars( $post ) as $key => $value ) - $this->$key = $value; - } - - /** - * Isset-er. - * - * @param string $key Property to check if set. - * @return bool - */ - public function __isset( $key ) { - if ( 'ancestors' == $key ) - return true; - - if ( 'page_template' == $key ) - return ( 'page' == $this->post_type ); - - if ( 'post_category' == $key ) - return true; - - if ( 'tags_input' == $key ) - return true; - - return metadata_exists( 'post', $this->ID, $key ); - } - - /** - * Getter. - * - * @param string $key Key to get. - * @return mixed - */ - public function __get( $key ) { - if ( 'page_template' == $key && $this->__isset( $key ) ) { - return get_post_meta( $this->ID, '_wp_page_template', true ); - } - - if ( 'post_category' == $key ) { - if ( is_object_in_taxonomy( $this->post_type, 'category' ) ) - $terms = get_the_terms( $this, 'category' ); - - if ( empty( $terms ) ) - return array(); - - return wp_list_pluck( $terms, 'term_id' ); - } - - if ( 'tags_input' == $key ) { - if ( is_object_in_taxonomy( $this->post_type, 'post_tag' ) ) - $terms = get_the_terms( $this, 'post_tag' ); - - if ( empty( $terms ) ) - return array(); - - return wp_list_pluck( $terms, 'name' ); - } - - // Rest of the values need filtering. - if ( 'ancestors' == $key ) - $value = get_post_ancestors( $this ); - else - $value = get_post_meta( $this->ID, $key, true ); - - if ( $this->filter ) - $value = sanitize_post_field( $key, $value, $this->ID, $this->filter ); - - return $value; - } - - /** - * {@Missing Summary} - * - * @param string $filter Filter. - * @return self|array|bool|object|WP_Post - */ - public function filter( $filter ) { - if ( $this->filter == $filter ) - return $this; - - if ( $filter == 'raw' ) - return self::get_instance( $this->ID ); - - return sanitize_post( $this, $filter ); - } - - /** - * Convert object to array. - * - * @return array Object as array. - */ - public function to_array() { - $post = get_object_vars( $this ); - - foreach ( array( 'ancestors', 'page_template', 'post_category', 'tags_input' ) as $key ) { - if ( $this->__isset( $key ) ) - $post[ $key ] = $this->__get( $key ); - } - - return $post; - } -} - /** * Retrieve ancestors of a post. * @@ -825,16 +583,17 @@ function get_post_ancestors( $post ) { * supported values are found within those functions. * * @since 2.3.0 + * @since 4.5.0 The `$post` parameter was made optional. * * @see sanitize_post_field() * * @param string $field Post field name. - * @param int|WP_Post $post Post ID or post object. + * @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' ) { +function get_post_field( $field, $post = null, $context = 'display' ) { $post = get_post( $post ); if ( !$post ) @@ -903,7 +662,15 @@ function get_post_status( $ID = '' ) { } - 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 ); } /** @@ -1136,7 +903,7 @@ 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 * @@ -1151,24 +918,26 @@ function get_post_type( $post = null ) { } /** - * Retrieve a post type object by name. + * Retrieves a post type object by name. * * @since 3.0.0 + * @since 4.6.0 Object returned is now an instance of WP_Post_Type. * * @global array $wp_post_types List of post types. * * @see register_post_type() * * @param string $post_type The name of a registered post type. - * @return object|null A post type object. + * @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 ]; } /** @@ -1186,7 +955,7 @@ function get_post_type_object( $post_type ) { * 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. Accepts 'or' or 'and'. Default 'and'. + * 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' ) { @@ -1198,85 +967,108 @@ function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) } /** - * Register a post type. Do not use before init. + * Registers a post type. * - * A function for creating or modifying a post type based on the - * parameters given. The function will accept an array (second optional - * parameter), along with a string for the post type name. + * Note: Post type registrations should not be hooked before the + * {@see 'init'} action. Also, any taxonomy connections should be + * registered via the `$taxonomies` argument to ensure consistency + * when hooks such as {@see 'parse_query'} or {@see 'pre_get_posts'} + * are used. + * + * 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. * * @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. + * @since 4.7.0 Introduced `show_in_rest`, 'rest_base' and 'rest_controller_class' + * arguments to register the post type in REST API. * - * @global array $wp_post_types List of post types. - * @global WP_Rewrite $wp_rewrite Used for default feeds. - * @global WP $wp Used to add query vars. + * @global array $wp_post_types List of post types. * - * @param string $post_type Post type key, must not exceed 20 characters. + * @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()}. - * @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 {@see 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 a default 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 An alias for calling {@see add_post_type_support()} directly. - * Defaults to array containing 'title' & 'editor'. - * @type callback $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 - * {@see register_taxonomy()} or {@see 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 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 bool $show_in_rest Whether to add the post type route in the REST API 'wp/v2' namespace. + * @type string $rest_base To change the base url of REST API route. Default is $post_type. + * @type string $rest_controller_class REST API Controller class name. Default is 'WP_REST_Posts_Controller'. + * @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 @@ -1292,194 +1084,107 @@ function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) * 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'. + * @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 object|WP_Error The registered post type object, or an error object. + * @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, $wp_rewrite, $wp; + 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' => '', - 'public' => false, - 'hierarchical' => false, - 'exclude_from_search' => null, - 'publicly_queryable' => null, - 'show_ui' => null, - 'show_in_menu' => null, - 'show_in_nav_menus' => null, - 'show_in_admin_bar' => null, - 'menu_position' => null, - 'menu_icon' => null, - 'capability_type' => 'post', - 'capabilities' => array(), - 'map_meta_cap' => null, - 'supports' => array(), - 'register_meta_box_cb' => null, - 'taxonomies' => array(), - 'has_archive' => false, - 'rewrite' => true, - 'query_var' => true, - 'can_export' => true, - 'delete_with_user' => null, - '_builtin' => false, - '_edit_link' => 'post.php?post=%d', - ); - $args = wp_parse_args( $args, $defaults ); - $args = (object) $args; - + // Sanitize post type name $post_type = sanitize_key( $post_type ); - $args->name = $post_type; 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' ); + _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 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; + $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(); - // If not set, default to the whether the full UI is shown. - if ( null === $args->show_in_admin_bar ) - $args->show_in_admin_bar = (bool) $args->show_in_menu; + $wp_post_types[ $post_type ] = $post_type_object; - // If not set, default to the setting for public. - if ( null === $args->show_in_nav_menus ) - $args->show_in_nav_menus = $args->public; + $post_type_object->add_hooks(); + $post_type_object->register_taxonomies(); - // If not set, default to true if not public, false if public. - if ( null === $args->exclude_from_search ) - $args->exclude_from_search = !$args->public; - - // 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 not set, default to false. - if ( null === $args->map_meta_cap ) - $args->map_meta_cap = false; + /** + * Fires after a post type is registered. + * + * @since 3.3.0 + * @since 4.6.0 Converted the `$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 ); - $args->cap = get_post_type_capabilities( $args ); - unset( $args->capabilities ); + return $post_type_object; +} - if ( is_array( $args->capability_type ) ) - $args->capability_type = $args->capability_type[0]; +/** + * 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; - if ( ! empty( $args->supports ) ) { - add_post_type_support( $post_type, $args->supports ); - unset( $args->supports ); - } elseif ( false !== $args->supports ) { - // Add default features - add_post_type_support( $post_type, array( 'title', 'editor' ) ); + if ( ! post_type_exists( $post_type ) ) { + return new WP_Error( 'invalid_post_type', __( 'Invalid post type.' ) ); } - if ( false !== $args->query_var && ! empty( $wp ) ) { - if ( true === $args->query_var ) - $args->query_var = $post_type; - else - $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 ( ! isset( $args->rewrite['ep_mask'] ) ) { - if ( isset( $args->permalink_epmask ) ) - $args->rewrite['ep_mask'] = $args->permalink_epmask; - else - $args->rewrite['ep_mask'] = EP_PERMALINK; - } - - if ( $args->hierarchical ) - add_rewrite_tag( "%$post_type%", '(.+?)', $args->query_var ? "{$args->query_var}=" : "post_type=$post_type&pagename=" ); - else - add_rewrite_tag( "%$post_type%", '([^/]+)', $args->query_var ? "{$args->query_var}=" : "post_type=$post_type&name=" ); + $post_type_object = get_post_type_object( $post_type ); - 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 . $archive_slug; - - add_rewrite_rule( "{$archive_slug}/?$", "index.php?post_type=$post_type", 'top' ); - if ( $args->rewrite['feeds'] && $wp_rewrite->feeds ) { - $feeds = '(' . trim( implode( '|', $wp_rewrite->feeds ) ) . ')'; - add_rewrite_rule( "{$archive_slug}/feed/$feeds/?$", "index.php?post_type=$post_type" . '&feed=$matches[1]', 'top' ); - add_rewrite_rule( "{$archive_slug}/$feeds/?$", "index.php?post_type=$post_type" . '&feed=$matches[1]', 'top' ); - } - if ( $args->rewrite['pages'] ) - add_rewrite_rule( "{$archive_slug}/{$wp_rewrite->pagination_base}/([0-9]{1,})/?$", "index.php?post_type=$post_type" . '&paged=$matches[1]', 'top' ); - } - - $permastruct_args = $args->rewrite; - $permastruct_args['feed'] = $permastruct_args['feeds']; - add_permastruct( $post_type, "{$args->rewrite['slug']}/%$post_type%", $permastruct_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' ) ); } - // Register the post type meta box if a custom callback was specified. - if ( $args->register_meta_box_cb ) - add_action( 'add_meta_boxes_' . $post_type, $args->register_meta_box_cb, 10, 1 ); + $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(); - $args->labels = get_post_type_labels( $args ); - $args->label = $args->labels->name; - - $wp_post_types[ $post_type ] = $args; - - add_action( 'future_' . $post_type, '_future_post_hook', 5, 2 ); - - foreach ( $args->taxonomies as $taxonomy ) { - register_taxonomy_for_object_type( $taxonomy, $post_type ); - } + unset( $wp_post_types[ $post_type ] ); /** - * Fires after a post type is registered. + * Fires after a post type was unregistered. * - * @since 3.3.0 + * @since 4.5.0 * - * @param string $post_type Post type. - * @param object $args Arguments used to register the post type. + * @param string $post_type Post type key. */ - do_action( 'registered_post_type', $post_type, $args ); + do_action( 'unregistered_post_type', $post_type ); - return $args; + return true; } /** @@ -1589,58 +1294,76 @@ function get_post_type_capabilities( $args ) { * @since 3.1.0 * @access private * - * @staticvar array $meta_caps + * @global array $post_type_meta_caps Used to store meta capabilities. * - * @param array|void $capabilities Post type 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; + } } } /** - * Build 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 $post_type_object->label. Default is Posts/Pages - * - singular_name - name for one object of this post type. Default is Post/Page - * - add_new - Default is Add New for both hierarchical and non-hierarchical types. - * When internationalizing this string, please use a gettext context - * {@link https://codex.wordpress.org/I18n_for_WordPress_Developers#Disambiguation_by_context} - * matching your post type. Example: `_x( 'Add New', 'product' );`. - * - add_new_item - Default is Add New Post/Add New Page. - * - edit_item - Default is Edit Post/Edit Page. - * - new_item - Default is New Post/New Page. - * - view_item - Default is View Post/View Page. - * - search_items - Default is Search Posts/Search Pages. - * - not_found - Default is No posts found/No pages found. - * - not_found_in_trash - Default is No posts found in Trash/No pages found in Trash. - * - parent_item_colon - This string isn't used on non-hierarchical types. In hierarchical - * ones the default is 'Parent Page:'. - * - all_items - String for the submenu. Default is All Posts/All Pages. - * - featured_image - Default is Featured Image. - * - set_featured_image - Default is Set featured image. - * - remove_featured_image - Default is Remove featured image. - * - use_featured_image - Default is Use as featured image. - * - menu_name - Default is the same as `name`. + * - `name` - General name for the post type, usually plural. The same and overridden + * by `$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'. + * - `view_items` - Label for viewing post type archives. Default is 'View Posts' / 'View Pages'. + * - `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'. + * - `attributes` - Label for the attributes meta box. Default is 'Post Attributes' / 'Page Attributes'. + * - `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 * @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. + * @since 4.7.0 Added the `view_items` and `attributes` labels. + * * @access private * - * @param object $post_type_object Post type object. - * @return object object with all the labels as member variables. + * @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( @@ -1651,15 +1374,23 @@ function get_post_type_labels( $post_type_object ) { 'edit_item' => array( __('Edit Post'), __('Edit Page') ), 'new_item' => array( __('New Post'), __('New Page') ), 'view_item' => array( __('View Post'), __('View Page') ), + 'view_items' => array( __('View Posts'), __('View Pages') ), 'search_items' => array( __('Search Posts'), __('Search Pages') ), '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' ) ), + 'archives' => array( __( 'Post Archives' ), __( 'Page Archives' ) ), + 'attributes' => array( __( 'Post Attributes' ), __( 'Page Attributes' ) ), + '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']; @@ -1667,8 +1398,10 @@ function get_post_type_labels( $post_type_object ) { $post_type = $post_type_object->name; + $default_labels = clone $labels; + /** - * Filter the labels of a specific post type. + * Filters the labels of a specific post type. * * The dynamic portion of the hook name, `$post_type`, refers to * the post type slug. @@ -1679,7 +1412,12 @@ function get_post_type_labels( $post_type_object ) { * * @param object $labels Object with labels for the post type as member variables. */ - return apply_filters( "post_type_labels_{$post_type}", $labels ); + $labels = apply_filters( "post_type_labels_{$post_type}", $labels ); + + // Ensure that the filtered labels contain all required default values. + $labels = (object) array_merge( (array) $default_labels, (array) $labels ); + + return $labels; } /** @@ -1691,6 +1429,7 @@ function get_post_type_labels( $post_type_object ) { * * @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; @@ -1710,11 +1449,17 @@ function _get_custom_object_labels( $object, $nohier_vs_hier_defaults ) { if ( !isset( $object->labels['all_items'] ) && isset( $object->labels['menu_name'] ) ) $object->labels['all_items'] = $object->labels['menu_name']; + 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 ); + $object->labels = (object) $object->labels; + return (object) $labels; } @@ -1818,6 +1563,28 @@ function post_type_supports( $post_type, $feature ) { return ( isset( $_wp_post_type_features[$post_type][$feature] ) ); } +/** + * 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; + + $features = array_fill_keys( (array) $feature, true ); + + return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) ); +} + /** * Update the post type for the post ID. * @@ -1843,6 +1610,30 @@ function set_post_type( $post_id = 0, $post_type = 'post' ) { 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. * @@ -1853,28 +1644,23 @@ function set_post_type( $post_id = 0, $post_type = 'post' ) { * @see WP_Query::parse_query() * * @param array $args { - * Optional. Arguments to retrieve posts. {@see WP_Query::parse_query()} for more + * 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+ and -1 for all. Default 5. - * @type int $offset The number of posts to offset before retrieval. Default 0. + * 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 string $orderby Which field to order posts by. Accepts post fields. Default 'date'. * @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 string $meta_key Custom field key. Default empty. - * @type mixed $meta_value Custom field value. Default empty string. - * @type string $post_type Post type. Default 'post'. * @type bool $suppress_filters Whether to suppress filters. Default true. * } * @return array List of posts. */ function get_posts( $args = null ) { $defaults = array( - 'numberposts' => 5, 'offset' => 0, + 'numberposts' => 5, 'category' => 0, 'orderby' => 'date', 'order' => 'DESC', 'include' => array(), 'exclude' => array(), 'meta_key' => '', @@ -2122,7 +1908,7 @@ function sanitize_post( $post, $context = 'display' ) { foreach ( array_keys(get_object_vars($post)) as $field ) $post->$field = sanitize_post_field($field, $post->$field, $post->ID, $context); $post->filter = $context; - } else { + } elseif ( is_array( $post ) ) { // Check if post already filtered for this context. if ( isset($post['filter']) && $context == $post['filter'] ) return $post; @@ -2143,15 +1929,16 @@ function sanitize_post( $post, $context = 'display' ) { * are treated like 'display' when calling filters. * * @since 2.3.0 + * @since 4.4.0 Like `sanitize_post()`, `$context` defaults to 'display'. * * @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 $context Optional. How to sanitize post fields. Looks for 'raw', 'edit', + * 'db', 'display', 'attribute' and 'js'. Default 'display'. * @return mixed Sanitized value. */ -function sanitize_post_field($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) $value; @@ -2178,7 +1965,7 @@ function sanitize_post_field($field, $value, $post_id, $context) { if ( $prefixed ) { /** - * Filter the value of a specific post field to edit. + * Filters the value of a specific post field to edit. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. @@ -2191,7 +1978,7 @@ function sanitize_post_field($field, $value, $post_id, $context) { $value = apply_filters( "edit_{$field}", $value, $post_id ); /** - * Filter the value of a specific post field to edit. + * Filters the value of a specific post field to edit. * * The dynamic portion of the hook name, `$field_no_prefix`, refers to * the post field name. @@ -2218,7 +2005,7 @@ function sanitize_post_field($field, $value, $post_id, $context) { if ( $prefixed ) { /** - * Filter the value of a specific post field before saving. + * Filters the value of a specific post field before saving. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. @@ -2230,7 +2017,7 @@ function sanitize_post_field($field, $value, $post_id, $context) { $value = apply_filters( "pre_{$field}", $value ); /** - * Filter the value of a specific field before saving. + * Filters the value of a specific field before saving. * * The dynamic portion of the hook name, `$field_no_prefix`, refers * to the post field name. @@ -2244,7 +2031,7 @@ function sanitize_post_field($field, $value, $post_id, $context) { $value = apply_filters( "pre_post_{$field}", $value ); /** - * Filter the value of a specific post field before saving. + * Filters the value of a specific post field before saving. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. @@ -2261,7 +2048,7 @@ function sanitize_post_field($field, $value, $post_id, $context) { if ( $prefixed ) { /** - * Filter the value of a specific post field for display. + * Filters the value of a specific post field for display. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. @@ -2278,12 +2065,13 @@ function sanitize_post_field($field, $value, $post_id, $context) { } else { $value = apply_filters( "post_{$field}", $value, $post_id, $context ); } - } - if ( 'attribute' == $context ) - $value = esc_attr($value); - elseif ( 'js' == $context ) - $value = esc_js($value); + if ( 'attribute' == $context ) { + $value = esc_attr( $value ); + } elseif ( 'js' == $context ) { + $value = esc_js( $value ); + } + } return $value; } @@ -2306,7 +2094,18 @@ function stick_post( $post_id ) { if ( ! in_array($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 ); + } } /** @@ -2333,7 +2132,18 @@ function unstick_post( $post_id ) { array_splice($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 ); + } } /** @@ -2369,7 +2179,7 @@ function _count_posts_cache_key( $type = 'post', $perm = '' ) { * * @since 2.5.0 * - * @global wpdb $wpdb + * @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. @@ -2434,7 +2244,7 @@ function wp_count_posts( $type = 'post', $perm = '' ) { * * @since 2.5.0 * - * @global wpdb $wpdb + * @global wpdb $wpdb WordPress database abstraction object. * * @param string|array $mime_type Optional. Array or comma-separated list of * MIME patterns. Default empty. @@ -2447,7 +2257,7 @@ function wp_count_attachments( $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 ); $counts = array(); - foreach( (array) $count as $row ) { + foreach ( (array) $count as $row ) { $counts[ $row['post_mime_type'] ] = $row['num_posts']; } $counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and"); @@ -2480,7 +2290,7 @@ function get_post_mime_types() { ); /** - * Filter the default list of post mime types. + * Filters the default list of post mime types. * * @since 2.5.0 * @@ -2624,6 +2434,20 @@ function wp_delete_post( $postid = 0, $force_delete = false ) { if ( $post->post_type == 'attachment' ) return wp_delete_attachment( $postid, $force_delete ); + /** + * 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(). * @@ -2647,8 +2471,9 @@ function wp_delete_post( $postid = 0, $force_delete = false ) { // 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 ); - - $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) ); + if ( $children ) { + $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) ); + } } // Do raw query. wp_get_post_revisions() is filtered. @@ -2660,9 +2485,14 @@ function wp_delete_post( $postid = 0, $force_delete = false ) { // 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 )); - foreach ( $comment_ids as $comment_id ) + 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 )); foreach ( $post_meta_ids as $mid ) @@ -2778,7 +2608,7 @@ function wp_trash_post( $post_id = 0 ) { add_post_meta($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); @@ -2825,7 +2655,7 @@ function wp_untrash_post( $post_id = 0 ) { delete_post_meta($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); @@ -2902,7 +2732,7 @@ function wp_trash_post_comments( $post = null ) { * * @since 2.9.0 * - * @global wpdb $wpdb + * @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 @@ -2970,8 +2800,10 @@ function wp_untrash_post_comments( $post = null ) { * * @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. Default empty. - * @return array List of categories. + * @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; @@ -2988,12 +2820,12 @@ function wp_get_post_categories( $post_id = 0, $args = array() ) { * * 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(). * * @since 2.3.0 * * @param int $post_id Optional. The Post ID. Does not default to the ID of the - * global $post. Defualt 0. + * global $post. Default 0. * @param array $args Optional. Overwrite the defaults * @return array List of post tags. */ @@ -3006,14 +2838,14 @@ function wp_get_post_tags( $post_id = 0, $args = array() ) { * * 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(). * * @since 2.8.0 * * @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. {@link wp_get_object_terms()} arguments. Default empty array. + * @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. */ @@ -3035,14 +2867,16 @@ function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array( * * @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. + * @param array $args Optional. Arguments to retrieve posts. Default empty array. + * @param string $output Optional. The required return type. One of OBJECT or ARRAY_A, which correspond to + * a WP_Post object or an associative array, respectively. Default ARRAY_A. + * @return array|false Array of recent posts, where the type of each element is determined by $output parameter. + * Empty array on failure. */ 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 ) ); } @@ -3062,7 +2896,7 @@ function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) { // 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(); @@ -3083,6 +2917,7 @@ function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) { * * @since 1.0.0 * @since 4.2.0 Support was added for encoding emoji in the post title, content, and excerpt. + * @since 4.4.0 A 'meta_input' array can now be passed to `$postarr` to add post meta data. * * @see sanitize_post() * @global wpdb $wpdb WordPress database abstraction object. @@ -3108,7 +2943,8 @@ function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) { * @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. + * @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 @@ -3121,8 +2957,12 @@ function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) { * @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. + * @param bool $wp_error Optional. Whether to return a 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 ) { @@ -3187,6 +3027,9 @@ function wp_insert_post( $postarr, $wp_error = false ) { $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 @@ -3196,7 +3039,7 @@ function wp_insert_post( $postarr, $wp_error = false ) { && post_type_supports( $post_type, 'excerpt' ); /** - * Filter whether the post should be considered "empty". + * 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 @@ -3220,7 +3063,7 @@ function wp_insert_post( $postarr, $wp_error = false ) { } $post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status']; - if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash' ) ) ) { + if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash', 'auto-draft' ), true ) ) { $post_status = 'inherit'; } @@ -3269,7 +3112,11 @@ function wp_insert_post( $postarr, $wp_error = false ) { * is not 'draft' or 'pending', set date to now. */ if ( empty( $postarr['post_date'] ) || '0000-00-00 00:00:00' == $postarr['post_date'] ) { - $post_date = current_time( 'mysql' ); + 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']; } @@ -3281,7 +3128,7 @@ function wp_insert_post( $postarr, $wp_error = false ) { $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.' ) ); + return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); } else { return 0; } @@ -3332,7 +3179,7 @@ function wp_insert_post( $postarr, $wp_error = false ) { // 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']; + $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'] : ''; @@ -3360,7 +3207,7 @@ function wp_insert_post( $postarr, $wp_error = false ) { } /** - * Filter the post parent -- used to check for and prevent hierarchy loops. + * Filters the post parent -- used to check for and prevent hierarchy loops. * * @since 3.1.0 * @@ -3371,6 +3218,28 @@ function wp_insert_post( $postarr, $wp_error = false ) { */ $post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, compact( array_keys( $postarr ) ), $postarr ); + /* + * 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 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 ); // Don't unslash. @@ -3381,7 +3250,7 @@ function wp_insert_post( $postarr, $wp_error = false ) { $emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' ); - foreach( $emoji_fields as $emoji_field ) { + foreach ( $emoji_fields as $emoji_field ) { if ( isset( $data[ $emoji_field ] ) ) { $charset = $wpdb->get_col_charset( $wpdb->posts, $emoji_field ); if ( 'utf8' === $charset ) { @@ -3392,7 +3261,7 @@ function wp_insert_post( $postarr, $wp_error = false ) { if ( 'attachment' === $post_type ) { /** - * Filter attachment post data before it is updated in or added to the database. + * Filters attachment post data before it is updated in or added to the database. * * @since 3.9.0 * @@ -3402,7 +3271,7 @@ function wp_insert_post( $postarr, $wp_error = false ) { $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr ); } else { /** - * Filter slashed post data just before it is inserted into the database. + * Filters slashed post data just before it is inserted into the database. * * @since 2.7.0 * @@ -3470,6 +3339,12 @@ function wp_insert_post( $postarr, $wp_error = false ) { if ( ! empty( $postarr['tax_input'] ) ) { foreach ( $postarr['tax_input'] as $taxonomy => $tags ) { $taxonomy_obj = get_taxonomy($taxonomy); + 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); @@ -3480,6 +3355,12 @@ function wp_insert_post( $postarr, $wp_error = false ) { } } + if ( ! empty( $postarr['meta_input'] ) ) { + foreach ( $postarr['meta_input'] as $field => $value ) { + update_post_meta( $post_ID, $field, $value ); + } + } + $current_guid = get_post_field( 'guid', $post_ID ); // Set GUID. @@ -3497,16 +3378,37 @@ function wp_insert_post( $postarr, $wp_error = false ) { } } + // 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 ); - if ( ! empty( $postarr['page_template'] ) && 'page' == $data['post_type'] ) { + if ( ! empty( $postarr['page_template'] ) ) { $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.')); + return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) ); } update_post_meta( $post_ID, '_wp_page_template', 'default' ); } else { @@ -3526,6 +3428,18 @@ function wp_insert_post( $postarr, $wp_error = false ) { * @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 { /** @@ -3731,7 +3645,7 @@ function check_and_publish_future_post( $post_id ) { return; } - // wp_publish_post(_ returns no meaninful value + // wp_publish_post() returns no meaningful value. wp_publish_post( $post_id ); } @@ -3768,14 +3682,14 @@ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_p $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID ) ); /** - * Filter whether the post slug would make a bad attachment 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 ) || apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $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 = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; @@ -3796,7 +3710,7 @@ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_p $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID, $post_parent ) ); /** - * Filter whether the post slug would make a bad hierarchical post slug. + * Filters whether the post slug would make a bad hierarchical post slug. * * @since 3.1.0 * @@ -3805,7 +3719,7 @@ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_p * @param string $post_type Post type. * @param int $post_parent Post parent ID. */ - 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 ) ) { + 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 = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; @@ -3842,7 +3756,7 @@ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_p } /** - * Filter whether the post slug would be bad as a flat slug. + * Filters whether the post slug would be bad as a flat slug. * * @since 3.1.0 * @@ -3850,7 +3764,7 @@ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_p * @param string $slug The post slug. * @param string $post_type 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 ) ) { + 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 = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; @@ -3862,7 +3776,7 @@ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_p } /** - * Filter the unique post slug. + * Filters the unique post slug. * * @since 3.3.0 * @@ -3907,10 +3821,10 @@ function _truncate_post_slug( $slug, $length = 200 ) { * * @since 2.3.0 * - * @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 array|false|WP_Error Will return false if $post_id is not an integer or is 0. + * @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, $tags = '' ) { return wp_set_post_tags($post_id, $tags, true); @@ -3923,12 +3837,12 @@ function wp_add_post_tags( $post_id = 0, $tags = '' ) { * * @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 $tags Optional. The tags to set for the post, 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 affected term IDs. WP_Error or false on failure. + * @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); @@ -3941,12 +3855,13 @@ function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) { * * @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 $tags Optional. The tags to set for the post, separated by commas. Default empty. - * @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 array|false|WP_Error Array of affected term IDs. WP_Error or false on failure. + * @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; @@ -3989,7 +3904,7 @@ function wp_set_post_terms( $post_id = 0, $tags = '', $taxonomy = 'post_tag', $a * 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|bool|WP_Error + * @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(), $append = false ) { $post_ID = (int) $post_ID; @@ -4017,8 +3932,8 @@ function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $appe * When a post is saved, the post status is "transitioned" from one status to another, * though this does not always mean the status has actually changed before and after * the save. This function fires a number of action hooks related to that transition: - * the generic 'transition_post_status' action, as well as the dynamic hooks - * `"{$old_status}_to_{$new_status}"` and `"{$new_status}_{$post->post_type}"`. Note + * the generic {@see 'transition_post_status'} action, as well as the dynamic hooks + * {@see '$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. * * For instance: When publishing a post for the first time, the post status may transition @@ -4086,23 +4001,36 @@ function wp_transition_post_status( $new_status, $old_status, $post ) { * Add a URL to those already pinged. * * @since 1.5.0 + * @since 4.7.0 $post_id can be a WP_Post object. + * @since 4.7.0 $uri can be an array of URIs. * * @global wpdb $wpdb WordPress database abstraction object. * - * @param int $post_id Post ID. - * @param string $uri Ping URI. + * @param int|WP_Post $post_id Post object or ID. + * @param string|array $uri Ping URI or array of URIs. * @return int|false How many rows were updated. */ 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; + + $post = get_post( $post_id ); + if ( ! $post ) { + return false; + } + + $pung = trim( $post->pinged ); + $pung = preg_split( '/\s/', $pung ); + + if ( is_array( $uri ) ) { + $pung = array_merge( $pung, $uri ); + } + else { + $pung[] = $uri; + } $new = implode("\n", $pung); /** - * Filter the new ping URL to add for the given post. + * Filters the new ping URL to add for the given post. * * @since 2.0.0 * @@ -4110,9 +4038,9 @@ function add_ping( $post_id, $uri ) { */ $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 ) ); + $return = $wpdb->update( $wpdb->posts, array( 'pinged' => $new ), array( 'ID' => $post->ID ) ); + clean_post_cache( $post->ID ); + return $return; } /** @@ -4132,14 +4060,14 @@ function get_enclosed( $post_id ) { foreach ( $custom_fields as $key => $val ) { if ( 'enclosure' != $key || !is_array( $val ) ) continue; - foreach( $val as $enc ) { + foreach ( $val as $enc ) { $enclosure = explode( "\n", $enc ); $pung[] = trim( $enclosure[ 0 ] ); } } /** - * Filter the list of enclosures already enclosed for the given post. + * Filters the list of enclosures already enclosed for the given post. * * @since 2.0.0 * @@ -4154,19 +4082,22 @@ function get_enclosed( $post_id ) { * * @since 1.5.0 * - * @global wpdb $wpdb WordPress database abstraction object. + * @since 4.7.0 $post_id can be a WP_Post object. * - * @param int $post_id Post ID. + * @param int|WP_Post $post_id Post ID or object. * @return array */ 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); + $post = get_post( $post_id ); + if ( ! $post ) { + return false; + } + + $pung = trim( $post->pinged ); + $pung = preg_split( '/\s/', $pung ); /** - * Filter the list of already-pinged URLs for the given post. + * Filters the list of already-pinged URLs for the given post. * * @since 2.0.0 * @@ -4179,20 +4110,23 @@ function get_pung( $post_id ) { * Retrieve URLs that need to be pinged. * * @since 1.5.0 + * @since 4.7.0 $post_id can be a WP_Post object. * - * @global wpdb $wpdb WordPress database abstraction object. - * - * @param int $post_id Post ID + * @param int|WP_Post $post_id Post Object or ID * @return array */ 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 = sanitize_trackback_urls( $to_ping ); + $post = get_post( $post_id ); + + if ( ! $post ) { + return false; + } + + $to_ping = sanitize_trackback_urls( $post->to_ping ); $to_ping = preg_split('/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY); /** - * Filter the list of URLs yet to ping for the given post. + * Filters the list of URLs yet to ping for the given post. * * @since 2.0.0 * @@ -4222,7 +4156,7 @@ function trackback_url_list( $tb_list, $post_id ) { } $trackback_urls = explode( ',', $tb_list ); - foreach( (array) $trackback_urls as $tb_url ) { + foreach ( (array) $trackback_urls as $tb_url ) { $tb_url = trim( $tb_url ); trackback( $tb_url, wp_unslash( $postdata['post_title'] ), $excerpt, $post_id ); } @@ -4263,11 +4197,11 @@ function get_all_page_ids() { * @deprecated 3.5.0 Use get_post() * * @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 $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to + * a WP_Post object, an associative array, or a numeric array, respectively. 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. + * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. */ function get_page( $page, $output = OBJECT, $filter = 'raw') { return get_post( $page, $output, $filter ); @@ -4281,14 +4215,28 @@ function get_page( $page, $output = OBJECT, $filter = 'raw') { * @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 $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to + * a WP_Post object, an associative array, or a numeric array, respectively. 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. + * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. */ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { global $wpdb; + $last_changed = wp_cache_get_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); @@ -4322,6 +4270,11 @@ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { 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 ]; @@ -4338,6 +4291,9 @@ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { } } + // We cache misses as well as hits. + wp_cache_set( $cache_key, $foundid, 'posts' ); + if ( $foundid ) { return get_post( $foundid, $output ); } @@ -4351,10 +4307,10 @@ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { * @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 $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to + * a WP_Post object, an associative array, or a numeric array, respectively. 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 + * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. */ function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) { global $wpdb; @@ -4463,12 +4419,12 @@ function get_page_hierarchy( &$pages, $page_id = 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. + * @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 ); } @@ -4476,17 +4432,20 @@ function _page_traverse_name( $page_id, &$children, &$result ){ } /** - * Build URI for a page. + * Build the URI path for a page. * * Sub pages will be in the "directory" under the parent page post name. * * @since 1.5.0 + * @since 4.6.0 Converted the `$page` parameter to optional. * - * @param WP_Post|object|int $page Page object or page ID. + * @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 ) { - $page = get_post( $page ); +function get_page_uri( $page = 0 ) { + if ( ! $page instanceof WP_Post ) { + $page = get_post( $page ); + } if ( ! $page ) return false; @@ -4494,10 +4453,21 @@ function get_page_uri( $page ) { $uri = $page->post_name; foreach ( $page->ancestors as $parent ) { - $uri = get_post( $parent )->post_name . '/' . $uri; + $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 ); } /** @@ -4510,15 +4480,18 @@ function get_page_uri( $page ) { * @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. - * Default 0, or no restriction. + * @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. Default true. + * @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`. @@ -4527,15 +4500,14 @@ function get_page_uri( $page ) { * @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 $parent Page ID to return direct children of. `$hierarchical` must be false. - * Default -1, or no restriction. + * @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. + * @type string|array $post_status A comma-separated list or array of post statuses to include. * Default 'publish'. * } * @return array|false List of pages matching defaults or `$args`. @@ -4544,13 +4516,21 @@ function get_pages( $args = array() ) { global $wpdb; $defaults = array( - 'child_of' => 0, 'sort_order' => 'ASC', - 'sort_column' => 'post_title', 'hierarchical' => 1, - 'exclude' => array(), 'include' => array(), - 'meta_key' => '', 'meta_value' => '', - 'authors' => '', 'parent' => -1, 'exclude_tree' => array(), - 'number' => '', 'offset' => 0, - 'post_type' => 'page', 'post_status' => 'publish', + 'child_of' => 0, + 'sort_order' => 'ASC', + 'sort_column' => 'post_title', + 'hierarchical' => 1, + 'exclude' => array(), + 'include' => array(), + 'meta_key' => '', + 'meta_value' => '', + 'authors' => '', + 'parent' => -1, + 'exclude_tree' => array(), + 'number' => '', + 'offset' => 0, + 'post_type' => 'page', + 'post_status' => 'publish', ); $r = wp_parse_args( $args, $defaults ); @@ -4585,11 +4565,7 @@ function get_pages( $args = array() ) { // $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' ); - } + $last_changed = wp_cache_get_last_changed( 'posts' ); $cache_key = "get_pages:$key:$last_changed"; if ( $cache = wp_cache_get( $cache_key, 'posts' ) ) { @@ -4757,7 +4733,7 @@ function get_pages( $args = array() ) { if ( ! empty( $r['exclude_tree'] ) ) { $exclude = wp_parse_id_list( $r['exclude_tree'] ); - foreach( $exclude as $id ) { + foreach ( $exclude as $id ) { $children = get_page_children( $id, $pages ); foreach ( $children as $child ) { $exclude[] = $child->ID; @@ -4783,7 +4759,7 @@ function get_pages( $args = array() ) { $pages = array_map( 'get_post', $pages ); /** - * Filter the retrieved list of pages. + * Filters the retrieved list of pages. * * @since 2.1.0 * @@ -4833,15 +4809,17 @@ function is_local_attachment($url) { * setting the value for the 'comment_status' key. * * @since 2.0.0 + * @since 4.7.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. * * @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. + * @param string|array $args Arguments for inserting an attachment. + * @param string $file Optional. Filename. + * @param int $parent Optional. Parent post ID. + * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. + * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure. */ -function wp_insert_attachment( $args, $file = false, $parent = 0 ) { +function wp_insert_attachment( $args, $file = false, $parent = 0, $wp_error = false ) { $defaults = array( 'file' => $file, 'post_parent' => 0 @@ -4855,7 +4833,7 @@ function wp_insert_attachment( $args, $file = false, $parent = 0 ) { $data['post_type'] = 'attachment'; - return wp_insert_post( $data ); + return wp_insert_post( $data, $wp_error ); } /** @@ -4914,9 +4892,14 @@ function wp_delete_attachment( $post_id, $force_delete = false ) { // 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 )); - foreach ( $comment_ids as $comment_id ) + 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 )); foreach ( $post_meta_ids as $mid ) @@ -4931,7 +4914,7 @@ function wp_delete_attachment( $post_id, $force_delete = 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. @@ -4989,7 +4972,7 @@ function wp_get_attachment_metadata( $post_id = 0, $unfiltered = false ) { return $data; /** - * Filter the attachment meta data. + * Filters the attachment meta data. * * @since 2.1.0 * @@ -5015,7 +4998,7 @@ function wp_update_attachment_metadata( $post_id, $data ) { return false; /** - * Filter the updated attachment meta data. + * Filters the updated attachment meta data. * * @since 2.1.0 * @@ -5048,15 +5031,16 @@ function wp_get_attachment_url( $post_id = 0 ) { $url = ''; // Get attached file. - if ( $file = get_post_meta( $post->ID, '_wp_attached_file', true) ) { + if ( $file = get_post_meta( $post->ID, '_wp_attached_file', true ) ) { // Get upload directory. - if ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) { + 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') ) { - $url = $uploads['baseurl'] . substr( $file, strpos($file, 'wp-content/uploads') + 18 ); + // 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"; @@ -5072,13 +5056,13 @@ function wp_get_attachment_url( $post_id = 0 ) { $url = get_the_guid( $post->ID ); } - // On SSL front-end, URLs should be HTTPS. + // On SSL front end, URLs should be HTTPS. if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $GLOBALS['pagenow'] ) { $url = set_url_scheme( $url ); } /** - * Filter the attachment URL. + * Filters the attachment URL. * * @since 2.1.0 * @@ -5093,6 +5077,37 @@ function wp_get_attachment_url( $post_id = 0 ) { 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. * @@ -5112,7 +5127,7 @@ function wp_get_attachment_thumb_file( $post_id = 0 ) { if ( !empty($imagedata['thumb']) && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file)) && file_exists($thumbfile) ) { /** - * Filter the attachment thumbnail file path. + * Filters the attachment thumbnail file path. * * @since 2.1.0 * @@ -5149,7 +5164,7 @@ function wp_get_attachment_thumb_url( $post_id = 0 ) { $url = str_replace(basename($url), basename($thumb), $url); /** - * Filter the attachment thumbnail URL. + * Filters the attachment thumbnail URL. * * @since 2.1.0 * @@ -5164,12 +5179,12 @@ function wp_get_attachment_thumb_url( $post_id = 0 ) { * * @since 4.2.0 * - * @param string $type Attachment type. Accepts 'image', 'audio', or 'video'. - * @param int|WP_Post $post_id Optional. Attachment ID. Default 0. + * @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( $type, $post_id = 0 ) { - if ( ! $post = get_post( $post_id ) ) { +function wp_attachment_is( $type, $post = null ) { + if ( ! $post = get_post( $post ) ) { return false; } @@ -5215,10 +5230,10 @@ function wp_attachment_is( $type, $post_id = 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. Default 0. + * @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 = 0 ) { +function wp_attachment_is_image( $post = null ) { return wp_attachment_is( 'image', $post ); } @@ -5241,7 +5256,8 @@ function wp_mime_type_icon( $mime = 0 ) { $mime = (int) $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 ) ) @@ -5259,7 +5275,7 @@ function wp_mime_type_icon( $mime = 0 ) { if ( !is_array($icon_files) ) { /** - * Filter the icon directory path. + * Filters the icon directory path. * * @since 2.0.0 * @@ -5268,7 +5284,7 @@ function wp_mime_type_icon( $mime = 0 ) { $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' ); /** - * Filter the icon directory URI. + * Filters the icon directory URI. * * @since 2.0.0 * @@ -5277,7 +5293,7 @@ function wp_mime_type_icon( $mime = 0 ) { $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) ); /** - * Filter the list of icon directory URIs. + * Filters the list of icon directory URIs. * * @since 2.5.0 * @@ -5322,17 +5338,22 @@ function wp_mime_type_icon( $mime = 0 ) { $matches['default'] = array('default'); foreach ( $matches as $match => $wilds ) { - if ( isset($types[$wilds[0]])) { - $icon = $types[$wilds[0]]; - if ( !is_numeric($mime) ) - wp_cache_add("mime_type_icon_$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; } } } /** - * Filter the mime type icon. + * Filters the mime type icon. * * @since 2.1.0 * @@ -5364,23 +5385,27 @@ function wp_mime_type_icon( $mime = 0 ) { * @param WP_Post $post_before The Previous Post Object */ function wp_check_for_changed_slugs( $post_id, $post, $post_before ) { - // Don't bother if it hasnt changed. - if ( $post->post_name == $post_before->post_name ) + // 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 ) ) + 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 ( ! 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 ( in_array( $post->post_name, $old_slugs ) ) { + delete_post_meta( $post_id, '_wp_old_slug', $post->post_name ); + } } /** @@ -5408,8 +5433,7 @@ function get_private_posts_cap_sql( $post_type ) { * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`. * * @see get_private_posts_cap_sql() - * - * @global wpdb $wpdb + * @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 @@ -5436,7 +5460,7 @@ function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, } /** - * Filter the capability to read private posts for a custom 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 @@ -5493,22 +5517,27 @@ function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, * 'gmt' is when the last post was posted in GMT formatted date. * * @since 0.71 - * - * @param string $timezone The location to get the time. Accepts 'gmt', 'blog', - * or 'server'. Default 'server'. + * @since 4.4.0 The `$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' ) { +function get_lastpostdate( $timezone = 'server', $post_type = 'any' ) { /** - * Filter the date the last post was published. + * Filters the date the last post was published. * * @since 2.3.0 * - * @param string $date Date the last post was published. Likely values are 'gmt', - * 'blog', or 'server'. + * @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' ), $timezone ); + return apply_filters( 'get_lastpostdate', _get_last_post_time( $timezone, 'date', $post_type ), $timezone ); } /** @@ -5519,29 +5548,46 @@ function get_lastpostdate( $timezone = 'server' ) { * 'gmt' is when the last post was modified in GMT time. * * @since 1.2.0 + * @since 4.4.0 The `$post_type` argument was added. * - * @param string $timezone Optional. The timezone for the timestamp. Uses the server's internal timezone. - * Accepts 'server', 'blog', 'gmt'. or 'server'. '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 $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' ) { - $lastpostmodified = _get_last_post_time( $timezone, 'modified' ); +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; + } /** - * Filter the date the last post was modified. + * Filters the date the last post was modified. * * @since 2.3.0 * * @param string $lastpostmodified Date the last post was modified. * @param string $timezone Location to use for getting the post modified date. - * See {@see get_lastpostmodified()} for accepted `$timezone` values. + * See get_lastpostdate() for accepted `$timezone` values. */ return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone ); } @@ -5550,51 +5596,64 @@ function get_lastpostmodified( $timezone = 'server' ) { * Get the timestamp of the last time any post was modified or published. * * @since 3.1.0 + * @since 4.4.0 The `$post_type` argument was added. * @access private * - * @global wpdb $wpdb + * @global wpdb $wpdb WordPress database abstraction object. * - * @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'. + * @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 ( false !== $date ) { + return $date; + } - if ( !$date ) { - $add_seconds_server = date('Z'); - + if ( 'any' === $post_type ) { $post_types = get_post_types( array( 'public' => true ) ); - array_walk( $post_types, array( &$wpdb, 'escape_by_ref' ) ); + 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}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1"); - break; - case 'blog': - $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': - $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; - } + switch ( $timezone ) { + case 'gmt': + $date = $wpdb->get_var("SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1"); + break; + case 'blog': + $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 ) { + wp_cache_set( $key, $date, 'timeinfo' ); - if ( $date ) - wp_cache_set( $key, $date, 'timeinfo' ); + return $date; } - return $date; + return false; } /** @@ -5624,12 +5683,11 @@ function update_post_cache( &$posts ) { * @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. */ function clean_post_cache( $post ) { - global $_wp_suspend_cache_invalidation, $wpdb; + global $_wp_suspend_cache_invalidation; if ( ! empty( $_wp_suspend_cache_invalidation ) ) return; @@ -5814,6 +5872,7 @@ function _transition_post_status( $new_status, $old_status, $post ) { 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' ); } } @@ -5836,8 +5895,7 @@ function _transition_post_status( $new_status, $old_status, $post ) { * * @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 - * {@see _future_post_hook()}. + * wp_transition_post_status() and the default filter for _future_post_hook(). * @param WP_Post $post Post object. */ function _future_post_hook( $deprecated, $post ) { @@ -5897,7 +5955,7 @@ function wp_get_post_parent_id( $post_ID ) { * Check the given subset of the post hierarchy for hierarchy loops. * * Prevents loops from forming and breaks those that it finds. Attached - * to the 'wp_insert_post_parent' filter. + * to the {@see 'wp_insert_post_parent'} filter. * * @since 3.1.0 * @@ -5989,6 +6047,43 @@ function wp_delete_auto_drafts() { } } +/** + * Queues posts for lazy-loading of term meta. + * + * @since 4.5.0 + * + * @param array $posts Array of WP_Post objects. + */ +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 ); + } +} + /** * Update the custom taxonomies' term counts when a post's status is changed. * @@ -6018,9 +6113,9 @@ function _update_term_count_on_transition_post_status( $new_status, $old_status, * * @see update_post_caches() * - * @global wpdb $wpdb + * @global wpdb $wpdb WordPress database abstraction object. * - * @param array $ids ID list + * @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. */ @@ -6034,3 +6129,62 @@ function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache ); } } + +/** + * 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 + * + * @param string $post_name Slug. + * @param string $post_ID Optional. Post ID that should be ignored. Default 0. + */ +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 ); + } + } +} + +/** + * 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 WP_Post $post The post. + * @return string New slug for the post. + */ +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; +}