IP : 18.224.16.219Hostname : server86.web-hosting.comKernel : Linux server86.web-hosting.com 4.18.0-513.18.1.lve.el8.x86_64 #1 SMP Thu Feb 22 12:55:50 UTC 2024 x86_64Disable Function : None :) OS : Linux
PATH:
/
home/
servlmvm/
public_html/
ad917/
../
cgi-bin/
../
wp-includes/
./
post.php/
/
<?php /** * Core Post API * * @package WordPress * @subpackage Post */
// // Post Type registration. //
/** * Creates the initial post types when 'init' action is fired. * * See {@see 'init'}. * * @since 2.9.0 */ function create_initial_post_types() { WP_Post_Type::reset_default_labels();
register_post_type( 'post', array( 'labels' => array( '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, 'menu_icon' => 'dashicons-admin-post', '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 from admin bar' ), ), 'public' => true, 'publicly_queryable' => false, '_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' => 'page', 'map_meta_cap' => true, 'menu_position' => 20, 'menu_icon' => 'dashicons-admin-page', '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( 'labels' => array( 'name' => _x( 'Media', 'post type general name' ), 'name_admin_bar' => _x( 'Media', 'add new from admin bar' ), 'add_new' => __( 'Add New Media File' ), 'edit_item' => __( 'Edit Media' ), 'view_item' => ( '1' === get_option( 'wp_attachment_pages_enabled' ) ) ? __( 'View Attachment Page' ) : __( 'View Media File' ), 'attributes' => __( 'Attachment Attributes' ), ), 'public' => true, 'show_ui' => 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', 'capabilities' => array( 'create_posts' => 'upload_files', ), 'map_meta_cap' => true, 'menu_icon' => 'dashicons-admin-media', 'hierarchical' => false, 'rewrite' => false, 'query_var' => false, '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' );
register_post_type( 'revision', array( 'labels' => array( 'name' => __( 'Revisions' ), 'singular_name' => __( 'Revision' ), ), 'public' => false, '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ '_edit_link' => 'revision.php?revision=%d', /* internal use only. don't use this when registering your own post type. */ 'capability_type' => 'post', 'map_meta_cap' => true, 'hierarchical' => false, 'rewrite' => false, 'query_var' => false, 'can_export' => false, 'delete_with_user' => true, 'supports' => array( 'author' ), ) );
/** * Retrieves attached file path based on attachment ID. * * By default the path will go through the {@see 'get_attached_file'} filter, but * passing `true` to the `$unfiltered` argument will return the file path unfiltered. * * The function works by retrieving the `_wp_attached_file` post meta value. * This is a convenience function to prevent looking up the meta name and provide * a mechanism for sending the attached filename through a filter. * * @since 2.0.0 * * @param int $attachment_id Attachment ID. * @param bool $unfiltered Optional. Whether to skip the {@see 'get_attached_file'} filter. * Default false. * @return string|false The file path to where the attached file should be, false otherwise. */ function get_attached_file( $attachment_id, $unfiltered = false ) { $file = get_post_meta( $attachment_id, '_wp_attached_file', true );
// If the file is relative, prepend upload dir. if ( $file && ! str_starts_with( $file, '/' ) && ! preg_match( '|^.:\\\|', $file ) ) { $uploads = wp_get_upload_dir(); if ( false === $uploads['error'] ) { $file = $uploads['basedir'] . "/$file"; } }
if ( $unfiltered ) { return $file; }
/** * Filters the attached file based on the given ID. * * @since 2.1.0 * * @param string|false $file The file path to where the attached file should be, false otherwise. * @param int $attachment_id Attachment ID. */ return apply_filters( 'get_attached_file', $file, $attachment_id ); }
/** * Updates attachment file path based on attachment ID. * * Used to update the file path of the attachment, which uses post meta name * '_wp_attached_file' to store the path of the attachment. * * @since 2.1.0 * * @param int $attachment_id Attachment ID. * @param string $file File path for the attachment. * @return bool True on success, false on failure. */ function update_attached_file( $attachment_id, $file ) { if ( ! get_post( $attachment_id ) ) { return false; }
/** * Filters the path to the attached file to update. * * @since 2.1.0 * * @param string $file Path to the attached file to update. * @param int $attachment_id Attachment ID. */ $file = apply_filters( 'update_attached_file', $file, $attachment_id );
/** * Returns relative path to an uploaded file. * * The path is relative to the current upload dir. * * @since 2.9.0 * @access private * * @param string $path Full path to the file. * @return string Relative path on success, unchanged path on failure. */ function _wp_relative_upload_path( $path ) { $new_path = $path;
/** * Filters the relative path to an uploaded file. * * @since 2.9.0 * * @param string $new_path Relative path to the file. * @param string $path Full path to the file. */ return apply_filters( '_wp_relative_upload_path', $new_path, $path ); }
/** * Retrieves all children of the post parent ID. * * Normally, without any enhancements, the children would apply to pages. In the * context of the inner workings of WordPress, pages, posts, and attachments * share the same table, so therefore the functionality could apply to any one * of them. It is then noted that while this function does not work on posts, it * does not mean that it won't work on posts. It is recommended that you know * what context you wish to retrieve the children of. * * 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 inaccurate, but serves generally as an * example of what is possible. * * The arguments listed as defaults are for this function and also of the * 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 * integer (number), then just the 'post_parent' is grabbed and everything else * is lost. If you don't specify any arguments, then it is assumed that you are * in The Loop and the post parent will be grabbed for from the current post. * * The 'post_parent' argument is the ID to get the children. The 'numberposts' * is the amount of posts to retrieve that has a default of '-1', which is * used to get all of the posts. Giving a number higher than 0 will only * retrieve that amount of posts. * * The 'post_type' and 'post_status' arguments can be used to choose what * criteria of posts to retrieve. The 'post_type' can be anything, but WordPress * post types are 'post', 'pages', and 'attachments'. The 'post_status' * argument will accept any post status within the write administration panels. * * @since 2.0.0 * * @see get_posts() * @todo Check validity of description. * * @global WP_Post $post Global post object. * * @param mixed $args Optional. User defined arguments for replacing the defaults. Default empty. * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which * correspond to a WP_Post object, an associative array, or a numeric array, * respectively. Default OBJECT. * @return WP_Post[]|array[]|int[] Array of post objects, arrays, or IDs, depending on `$output`. */ function get_children( $args = '', $output = OBJECT ) { $kids = array(); if ( empty( $args ) ) { if ( isset( $GLOBALS['post'] ) ) { $args = array( 'post_parent' => (int) $GLOBALS['post']->post_parent ); } else { return $kids; } } elseif ( is_object( $args ) ) { $args = array( 'post_parent' => (int) $args->post_parent ); } elseif ( is_numeric( $args ) ) { $args = array( 'post_parent' => (int) $args ); }
/** * Gets extended entry info (<!--more-->). * * There should not be any space after the second dash and before the word * 'more'. There can be text or space(s) after the word 'more', but won't be * referenced. * * The returned array has 'main', 'extended', and 'more_text' keys. Main has the text before * the `<!--more-->`. The 'extended' key has the content after the * `<!--more-->` comment. The 'more_text' key has the custom "Read More" text. * * @since 1.0.0 * * @param string $post Post content. * @return string[] { * Extended entry info. * * @type string $main Content before the more tag. * @type string $extended Content after the more tag. * @type string $more_text Custom read more text, or empty string. * } */ function get_extended( $post ) { // Match the new style more links. if ( preg_match( '/<!--more(.*?)?-->/', $post, $matches ) ) { list($main, $extended) = explode( $matches[0], $post, 2 ); $more_text = $matches[1]; } else { $main = $post; $extended = ''; $more_text = ''; }
/** * Retrieves post data given a post ID or post object. * * 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 Global post object. * * @param int|WP_Post|null $post Optional. Post ID or post object. `null`, `false`, `0` and other PHP falsey values * return the current global post inside the loop. A numerically valid post ID that * points to a non-existent post returns `null`. Defaults to global $post. * @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. * When $output is OBJECT, a `WP_Post` instance is returned. */ function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) { if ( empty( $post ) && isset( $GLOBALS['post'] ) ) { $post = $GLOBALS['post']; }
/** * Retrieves the IDs of the ancestors of a post. * * @since 2.5.0 * * @param int|WP_Post $post Post ID or post object. * @return int[] Array of ancestor IDs or empty array if there are none. */ function get_post_ancestors( $post ) { $post = get_post( $post );
/** * Retrieves data from a post field based on Post ID. * * Examples of the post field will be, 'post_type', 'post_status', 'post_content', * etc and based off of the post object property or key names. * * The context values are based off of the taxonomy filter functions and * supported values are found within those functions. * * @since 2.3.0 * @since 4.5.0 The `$post` parameter was made optional. * * @see sanitize_post_field() * * @param string $field Post field name. * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $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 = null, $context = 'display' ) { $post = get_post( $post );
/** * Retrieves the mime type of an attachment based on the ID. * * This function can be used with any post type, but it makes more sense with * attachments. * * @since 2.0.0 * * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post. * @return string|false The mime type on success, false on failure. */ function get_post_mime_type( $post = null ) { $post = get_post( $post );
if ( is_object( $post ) ) { return $post->post_mime_type; }
return false; }
/** * Retrieves the post status based on the post ID. * * If the post ID is of an attachment, then the parent post status will be given * instead. * * @since 2.0.0 * * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post. * @return string|false Post status on success, false on failure. */ function get_post_status( $post = null ) { // Normalize the post object if necessary, skip normalization if called from get_sample_permalink(). if ( ! $post instanceof WP_Post || ! isset( $post->filter ) || 'sample' !== $post->filter ) { $post = get_post( $post ); }
if ( ! is_object( $post ) ) { return false; }
$post_status = $post->post_status;
if ( 'attachment' === $post->post_type && 'inherit' === $post_status ) { if ( 0 === $post->post_parent || ! get_post( $post->post_parent ) || $post->ID === $post->post_parent ) { // Unattached attachments with inherit status are assumed to be published. $post_status = 'publish'; } elseif ( 'trash' === get_post_status( $post->post_parent ) ) { // Get parent status prior to trashing. $post_status = get_post_meta( $post->post_parent, '_wp_trash_meta_status', true );
if ( ! $post_status ) { // Assume publish as above. $post_status = 'publish'; } } else { $post_status = get_post_status( $post->post_parent ); } } elseif ( 'attachment' === $post->post_type && ! in_array( $post_status, array( 'private', 'trash', 'auto-draft' ), true ) ) { /* * Ensure uninherited attachments have a permitted status either 'private', 'trash', 'auto-draft'. * This is to match the logic in wp_insert_post(). * * Note: 'inherit' is excluded from this check as it is resolved to the parent post's * status in the logic block above. */ $post_status = 'publish'; }
/** * Filters the post status. * * @since 4.4.0 * @since 5.7.0 The attachment post type is now passed through this filter. * * @param string $post_status The post status. * @param WP_Post $post The post object. */ return apply_filters( 'get_post_status', $post_status, $post ); }
/** * Retrieves all of the WordPress supported post statuses. * * Posts have a limited set of valid status values, this provides the * post_status values and descriptions. * * @since 2.5.0 * * @return string[] Array of post status labels keyed by their status. */ function get_post_statuses() { $status = array( 'draft' => __( 'Draft' ), 'pending' => __( 'Pending Review' ), 'private' => __( 'Private' ), 'publish' => __( 'Published' ), );
return $status; }
/** * Retrieves all of the WordPress support page statuses. * * Pages have a limited set of valid status values, this provides the * post_status values and descriptions. * * @since 2.5.0 * * @return string[] Array of page status labels keyed by their status. */ function get_page_statuses() { $status = array( 'draft' => __( 'Draft' ), 'private' => __( 'Private' ), 'publish' => __( 'Published' ), );
return $status; }
/** * Returns statuses for privacy requests. * * @since 4.9.6 * @access private * * @return string[] Array of privacy request status labels keyed by their status. */ function _wp_privacy_statuses() { return array( 'request-pending' => _x( 'Pending', 'request status' ), // Pending confirmation from user. 'request-confirmed' => _x( 'Confirmed', 'request status' ), // User has confirmed the action. 'request-failed' => _x( 'Failed', 'request status' ), // User failed to confirm the action. 'request-completed' => _x( 'Completed', 'request status' ), // Admin has handled the request. ); }
/** * Registers a post status. Do not use before init. * * A simple function for creating or modifying a post status based on the * parameters given. The function will accept an array (second optional * parameter), along with a string for the post status name. * * Arguments prefixed with an _underscore shouldn't be used by plugins and themes. * * @since 3.0.0 * * @global stdClass[] $wp_post_statuses Inserts new post status object into the list * * @param string $post_status Name of the post status. * @param array|string $args { * Optional. Array or string of post status arguments. * * @type bool|string $label A descriptive name for the post status marked * for translation. Defaults to value of $post_status. * @type array|false $label_count Nooped plural text from _n_noop() to provide the singular * and plural forms of the label for counts. Default false * which means the `$label` argument will be used for both * the singular and plural forms of this label. * @type bool $exclude_from_search Whether to exclude posts with this post status * from search results. Default is value of $internal. * @type bool $_builtin Whether the status is built-in. Core-use only. * Default false. * @type bool $public Whether posts of this status should be shown * in the front end of the site. Default false. * @type bool $internal Whether the status is for internal use only. * Default false. * @type bool $protected Whether posts with this status should be protected. * Default false. * @type bool $private Whether posts with this status should be private. * Default false. * @type bool $publicly_queryable Whether posts with this status should be publicly- * queryable. Default is value of $public. * @type bool $show_in_admin_all_list Whether to include posts in the edit listing for * their post type. Default is the opposite value * of $internal. * @type bool $show_in_admin_status_list Show in the list of statuses with post counts at * the top of the edit listings, * e.g. All (12) | Published (9) | My Custom Status (2) * Default is the opposite value of $internal. * @type bool $date_floating Whether the post has a floating creation date. * Default to false. * } * @return object */ function register_post_status( $post_status, $args = array() ) { global $wp_post_statuses;
/** * Retrieves a post status object by name. * * @since 3.0.0 * * @global stdClass[] $wp_post_statuses List of post statuses. * * @see register_post_status() * * @param string $post_status The name of a registered post status. * @return stdClass|null A post status object. */ function get_post_status_object( $post_status ) { global $wp_post_statuses;
/** * Gets a list of post statuses. * * @since 3.0.0 * * @global stdClass[] $wp_post_statuses List of post statuses. * * @see register_post_status() * * @param array|string $args Optional. Array or string of post status arguments to compare against * properties of the global `$wp_post_statuses objects`. Default empty array. * @param string $output Optional. The type of output to return, either 'names' or 'objects'. Default 'names'. * @param string $operator Optional. The logical operation to perform. 'or' means only one element * from the array needs to match; 'and' means all elements must match. * Default 'and'. * @return string[]|stdClass[] A list of post status names or objects. */ function get_post_stati( $args = array(), $output = 'names', $operator = 'and' ) { global $wp_post_statuses;
/** * Determines whether the post type is hierarchical. * * A false return value might also mean that the post type does not exist. * * @since 3.0.0 * * @see get_post_type_object() * * @param string $post_type Post type name * @return bool Whether post type is hierarchical. */ function is_post_type_hierarchical( $post_type ) { if ( ! post_type_exists( $post_type ) ) { return false; }
/** * Determines whether a post type is registered. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 3.0.0 * * @see get_post_type_object() * * @param string $post_type Post type name. * @return bool Whether post type is registered. */ function post_type_exists( $post_type ) { return (bool) get_post_type_object( $post_type ); }
/** * Retrieves the post type of the current post or of a given post. * * @since 2.1.0 * * @param int|WP_Post|null $post Optional. Post ID or post object. Default is global $post. * @return string|false Post type on success, false on failure. */ function get_post_type( $post = null ) { $post = get_post( $post ); if ( $post ) { return $post->post_type; }
return false; }
/** * 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 WP_Post_Type|null WP_Post_Type object if it exists, null otherwise. */ function get_post_type_object( $post_type ) { global $wp_post_types;
/** * Gets a list of all registered post type objects. * * @since 2.9.0 * * @global array $wp_post_types List of post types. * * @see register_post_type() for accepted arguments. * * @param array|string $args Optional. An array of key => value arguments to match against * the post type objects. Default empty array. * @param string $output Optional. The type of output to return. Either 'names' * or 'objects'. Default 'names'. * @param string $operator Optional. The logical operation to perform. 'or' means only one * element from the array needs to match; 'and' means all elements * must match; 'not' means no elements may match. Default 'and'. * @return string[]|WP_Post_Type[] An array of post type names or objects. */ function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) { global $wp_post_types;
/** * Registers a post type. * * Note: Post type registrations should not be hooked before the * {@see 'init'} action. Also, any taxonomy connections should be * registered via the `$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. * @since 5.0.0 The `template` and `template_lock` arguments were added. * @since 5.3.0 The `supports` argument will now accept an array of arguments for a feature. * @since 5.9.0 The `rest_namespace` argument was added. * * @global array $wp_post_types List of post types. * * @param string $post_type Post type key. Must not exceed 20 characters and may only contain * lowercase alphanumeric characters, dashes, and underscores. See sanitize_key(). * @param array|string $args { * Array or string of arguments for registering a post type. * * @type string $label Name of the post type shown in the menu. Usually plural. * Default is value of $labels['name']. * @type string[] $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|string $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 ('tools.php' or 'edit.php?post_type=page', for example), 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 of $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 include the post type in the REST API. Set this to true * for the post type to be available in the block editor. * @type string $rest_base To change the base URL of REST API route. Default is $post_type. * @type string $rest_namespace To change the namespace URL of REST API route. Default is wp/v2. * @type string $rest_controller_class REST API controller class name. Default is 'WP_REST_Posts_Controller'. * @type string|bool $autosave_rest_controller_class REST API controller class name. Default is 'WP_REST_Autosaves_Controller'. * @type string|bool $revisions_rest_controller_class REST API controller class name. Default is 'WP_REST_Revisions_Controller'. * @type bool $late_route_registration A flag to direct the REST API controllers for autosave / revisions * should be registered before/after the post type 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|array $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 string[] $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|false $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, the 'autosave' feature dictates whether the post type * will be autosaved, and the 'comments' feature dictates whether the * comments count will show on the edit screen. For backward compatibility reasons, * adding 'editor' support implies 'autosave' support too. A feature can also be * specified as an array of arguments to provide additional information * about supporting that feature. * Example: `array( 'my_feature', array( 'field' => 'value' ) )`. * If false, no features will be added. * Default 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 string[] $taxonomies An array of taxonomy identifiers that will be registered for the * post type. Taxonomies can be registered later with register_taxonomy() * or register_taxonomy_for_object_type(). * Default empty array. * @type bool|string $has_archive Whether there should be post type archives, or if a string, the * archive slug to use. Will generate the proper rewrite rules if * $rewrite is enabled. Default false. * @type bool|array $rewrite { * Triggers the handling of rewrites for this post type. To prevent rewrite, set to false. * Defaults to true, using $post_type as slug. To specify rewrite rules, an array can be * passed with any of these keys: * * @type string $slug Customize the permastruct slug. Defaults to $post_type key. * @type bool $with_front Whether the permastruct should be prepended with WP_Rewrite::$front. * Default true. * @type bool $feeds Whether the feed permastruct should be built for this post type. * Default is value of $has_archive. * @type bool $pages Whether the permastruct should provide for pagination. Default true. * @type int $ep_mask Endpoint mask to assign. If not specified and permalink_epmask is set, * inherits from $permalink_epmask. If not specified and permalink_epmask * is not set, defaults to EP_PERMALINK. * } * @type string|bool $query_var Sets the query_var key for this post type. Defaults to $post_type * key. If false, a post type cannot be loaded at * ?{query_var}={post_slug}. If specified as a string, the query * ?{query_var_string}={post_slug} will be valid. * @type bool $can_export Whether to allow this post type to be exported. Default true. * @type bool $delete_with_user Whether to delete posts of this type when deleting a user. * * If true, posts of this type belonging to the user will be moved * to Trash when the 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 * the 'author' feature. Otherwise posts are not trashed or deleted. * Default null. * @type array $template Array of blocks to use as the default initial state for an editor * session. Each item should be an array containing block name and * optional attributes. Default empty array. * @type string|false $template_lock Whether the block template should be locked if $template is set. * * If set to 'all', the user is unable to insert new blocks, * move existing blocks and delete blocks. * * If set to 'insert', the user is able to move existing blocks * but is unable to insert new blocks and delete blocks. * Default false. * @type bool $_builtin FOR INTERNAL USE ONLY! True if this post type is a native or * "built-in" post_type. Default false. * @type string $_edit_link FOR INTERNAL USE ONLY! URL segment to use for edit link of * this post type. Default 'post.php?post=%d'. * } * @return WP_Post_Type|WP_Error The registered post type object on success, * WP_Error object on failure. */ function register_post_type( $post_type, $args = array() ) { global $wp_post_types;
// Sanitize post type name. $post_type = sanitize_key( $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.' ), '4.2.0' ); return new WP_Error( 'post_type_length_invalid', __( 'Post type names must be between 1 and 20 characters in length.' ) ); }
$post_type_object = new WP_Post_Type( $post_type, $args ); $post_type_object->add_supports(); $post_type_object->add_rewrite_rules(); $post_type_object->register_meta_boxes();
/** * Fires after a post type is registered. * * @since 3.3.0 * @since 4.6.0 Converted the `$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, $post_type_object );
/** * Fires after a specific post type is registered. * * The dynamic portion of the filter name, `$post_type`, refers to the post type key. * * Possible hook names include: * * - `registered_post_type_post` * - `registered_post_type_page` * * @since 6.0.0 * * @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, $post_type_object );
return $post_type_object; }
/** * Unregisters a post type. * * Cannot 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 true|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 ( ! post_type_exists( $post_type ) ) { return new WP_Error( 'invalid_post_type', __( 'Invalid post type.' ) ); }
// 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' ) ); }
/** * Fires after a post type was unregistered. * * @since 4.5.0 * * @param string $post_type Post type key. */ do_action( 'unregistered_post_type', $post_type );
return true; }
/** * Builds an object with all post type capabilities out of a post type object * * Post type capabilities use the 'capability_type' argument as a base, if the * capability is not set in the 'capabilities' argument array or if the * 'capabilities' argument is not supplied. * * The capability_type argument can optionally be registered as an array, with * the first value being singular and the second plural, e.g. array('story, 'stories') * Otherwise, an 's' will be added to the value for the plural form. After * registration, capability_type will always be a string of the singular value. * * By default, eight keys are accepted as part of the capabilities array: * * - edit_post, read_post, and delete_post are meta capabilities, which are then * generally mapped to corresponding primitive capabilities depending on the * context, which would be the post being edited/read/deleted and the user or * role being checked. Thus these capabilities would generally not be granted * directly to users or roles. * * - edit_posts - Controls whether objects of this post type can be edited. * - edit_others_posts - Controls whether objects of this type owned by other users * can be edited. If the post type does not support an author, then this will * behave like edit_posts. * - delete_posts - Controls whether objects of this post type can be deleted. * - publish_posts - Controls publishing objects of this post type. * - read_private_posts - Controls whether private objects can be read. * * These five primitive capabilities are checked in core in various locations. * There are also six other primitive capabilities which are not referenced * directly in core, except in map_meta_cap(), which takes the three aforementioned * meta capabilities and translates them into one or more primitive capabilities * that must then be checked against the user or role, depending on the context. * * - read - Controls whether objects of this post type can be read. * - delete_private_posts - Controls whether private objects can be deleted. * - delete_published_posts - Controls whether published objects can be deleted. * - delete_others_posts - Controls whether objects owned by other users can be * can be deleted. If the post type does not support an author, then this will * behave like delete_posts. * - edit_private_posts - Controls whether private objects can be edited. * - edit_published_posts - Controls whether published objects can be edited. * * These additional capabilities are only used in map_meta_cap(). Thus, they are * only assigned by default if the post type is registered with the 'map_meta_cap' * argument set to true (default is false). * * @since 3.0.0 * @since 5.4.0 'delete_posts' is included in default capabilities. * * @see register_post_type() * @see map_meta_cap() * * @param object $args Post type registration arguments. * @return object Object with all the capabilities as member variables. */ function get_post_type_capabilities( $args ) { if ( ! is_array( $args->capability_type ) ) { $args->capability_type = array( $args->capability_type, $args->capability_type . 's' ); }
// Singular base for meta capabilities, plural base for primitive capabilities. list( $singular_base, $plural_base ) = $args->capability_type;
// Post creation capability simply maps to edit_posts by default: if ( ! isset( $capabilities['create_posts'] ) ) { $capabilities['create_posts'] = $capabilities['edit_posts']; }
// Remember meta capabilities for future reference. if ( $args->map_meta_cap ) { _post_type_meta_capabilities( $capabilities ); }
return (object) $capabilities; }
/** * Stores or returns a list of post type meta caps for map_meta_cap(). * * @since 3.1.0 * @access private * * @global array $post_type_meta_caps Used to store meta capabilities. * * @param string[] $capabilities Post type meta capabilities. */ function _post_type_meta_capabilities( $capabilities = null ) { global $post_type_meta_caps;
/** * Builds an object with all post type labels out of a post type object. * * Accepted keys of the label array in the post type object: * * - `name` - General name for the post type, usually plural. The same and overridden * by `$post_type_object->label`. Default is 'Posts' / 'Pages'. * - `singular_name` - Name for one object of this post type. Default is 'Post' / 'Page'. * - `add_new` - Label for adding a new item. Default is 'Add New' / 'Add New'. * - `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'. * - `filter_by_date` - Label for the date filter in list tables. Default is 'Filter by date'. * - `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'. * - `item_published` - Label used when an item is published. Default is 'Post published.' / 'Page published.' * - `item_published_privately` - Label used when an item is published with private visibility. * Default is 'Post published privately.' / 'Page published privately.' * - `item_reverted_to_draft` - Label used when an item is switched to a draft. * Default is 'Post reverted to draft.' / 'Page reverted to draft.' * - `item_trashed` - Label used when an item is moved to Trash. Default is 'Post trashed.' / 'Page trashed.' * - `item_scheduled` - Label used when an item is scheduled for publishing. Default is 'Post scheduled.' / * 'Page scheduled.' * - `item_updated` - Label used when an item is updated. Default is 'Post updated.' / 'Page updated.' * - `item_link` - Title for a navigation link block variation. Default is 'Post Link' / 'Page Link'. * - `item_link_description` - Description for a navigation link block variation. Default is 'A link to a post.' / * 'A link to a page.' * * 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 `archives`, `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. * @since 5.0.0 Added the `item_published`, `item_published_privately`, `item_reverted_to_draft`, * `item_scheduled`, and `item_updated` labels. * @since 5.7.0 Added the `filter_by_date` label. * @since 5.8.0 Added the `item_link` and `item_link_description` labels. * @since 6.3.0 Added the `item_trashed` label. * @since 6.4.0 Changed default values for the `add_new` label to include the type of content. * This matches `add_new_item` and provides more context for better accessibility. * @since 6.6.0 Added the `template_name` label. * @since 6.7.0 Restored pre-6.4.0 defaults for the `add_new` label and updated documentation. * Updated core usage to reference `add_new_item`. * * @access private * * @param object|WP_Post_Type $post_type_object Post type object. * @return object Object with all the labels as member variables. */ function get_post_type_labels( $post_type_object ) { $nohier_vs_hier_defaults = WP_Post_Type::get_default_labels();
if ( ! isset( $post_type_object->labels->template_name ) && isset( $post_type_object->labels->singular_name ) ) { /* translators: %s: Post type name. */ $labels->template_name = sprintf( __( 'Single item: %s' ), $post_type_object->labels->singular_name ); }
$post_type = $post_type_object->name;
$default_labels = clone $labels;
/** * Filters the labels of a specific post type. * * The dynamic portion of the hook name, `$post_type`, refers to * the post type slug. * * Possible hook names include: * * - `post_type_labels_post` * - `post_type_labels_page` * - `post_type_labels_attachment` * * @since 3.5.0 * * @see get_post_type_labels() for the full list of labels. * * @param object $labels Object with labels for the post type as member variables. */ $labels = apply_filters( "post_type_labels_{$post_type}", $labels );
// Ensure that the filtered labels contain all required default values. $labels = (object) array_merge( (array) $default_labels, (array) $labels );
return $labels; }
/** * Builds an object with custom-something object (post type, taxonomy) labels * out of a custom-something object * * @since 3.0.0 * @access private * * @param object $data_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( $data_object, $nohier_vs_hier_defaults ) { $data_object->labels = (array) $data_object->labels;
/** * Registers support of certain features for a post type. * * All core features are directly associated with a functional area of the edit * screen, such as the editor or a meta box. Features include: 'title', 'editor', * 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', 'page-attributes', * 'thumbnail', 'custom-fields', and 'post-formats'. * * Additionally, the 'revisions' feature dictates whether the post type will * store revisions, the 'autosave' feature dictates whether the post type * will be autosaved, and the 'comments' feature dictates whether the comments * count will show on the edit screen. * * A third, optional parameter can also be passed along with a feature to provide * additional information about supporting that feature. * * Example usage: * * add_post_type_support( 'my_post_type', 'comments' ); * add_post_type_support( 'my_post_type', array( * 'author', 'excerpt', * ) ); * add_post_type_support( 'my_post_type', 'my_feature', array( * 'field' => 'value', * ) ); * * @since 3.0.0 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * * @global array $_wp_post_type_features * * @param string $post_type The post type for which to add the feature. * @param string|array $feature The feature being added, accepts an array of * feature strings or a single string. * @param mixed ...$args Optional extra arguments to pass along with certain features. */ function add_post_type_support( $post_type, $feature, ...$args ) { global $_wp_post_type_features;
/** * Removes support for a feature from a post type. * * @since 3.0.0 * * @global array $_wp_post_type_features * * @param string $post_type The post type for which to remove the feature. * @param string $feature The feature being removed. */ function remove_post_type_support( $post_type, $feature ) { global $_wp_post_type_features;
/** * Gets all the post type features * * @since 3.4.0 * * @global array $_wp_post_type_features * * @param string $post_type The post type. * @return array Post type supports list. */ function get_all_post_type_supports( $post_type ) { global $_wp_post_type_features;
/** * Checks a post type's support for a given feature. * * @since 3.0.0 * * @global array $_wp_post_type_features * * @param string $post_type The post type being checked. * @param string $feature The feature being checked. * @return bool Whether the post type supports the given feature. */ function post_type_supports( $post_type, $feature ) { global $_wp_post_type_features;
/** * 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 string[] A list of post type names. */ function get_post_types_by_support( $feature, $operator = 'and' ) { global $_wp_post_type_features;
/** * Updates the post type for the post ID. * * The page or post cache will be cleaned for the post ID. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Optional. Post ID to change post type. Default 0. * @param string $post_type Optional. Post type. Accepts 'post' or 'page' to * name a few. Default 'post'. * @return int|false Amount of rows changed. Should be 1 for success and 0 for failure. */ function set_post_type( $post_id = 0, $post_type = 'post' ) { global $wpdb;
/** * Determines whether a post type is considered "viewable". * * For built-in post types such as posts and pages, the 'public' value will be evaluated. * For all others, the 'publicly_queryable' value will be used. * * @since 4.4.0 * @since 4.5.0 Added the ability to pass a post type name in addition to object. * @since 4.6.0 Converted the `$post_type` parameter to accept a `WP_Post_Type` object. * @since 5.9.0 Added `is_post_type_viewable` hook to filter the result. * * @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 );
/** * Filters whether a post type is considered "viewable". * * The returned filtered value must be a boolean type to ensure * `is_post_type_viewable()` only returns a boolean. This strictness * is by design to maintain backwards-compatibility and guard against * potential type errors in PHP 8.1+. Non-boolean values (even falsey * and truthy values) will result in the function returning false. * * @since 5.9.0 * * @param bool $is_viewable Whether the post type is "viewable" (strict type). * @param WP_Post_Type $post_type Post type object. */ return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type ); }
/** * Determines whether a post status is considered "viewable". * * For built-in post statuses such as publish and private, the 'public' value will be evaluated. * For all others, the 'publicly_queryable' value will be used. * * @since 5.7.0 * @since 5.9.0 Added `is_post_status_viewable` hook to filter the result. * * @param string|stdClass $post_status Post status name or object. * @return bool Whether the post status should be considered viewable. */ function is_post_status_viewable( $post_status ) { if ( is_scalar( $post_status ) ) { $post_status = get_post_status_object( $post_status );
/** * Filters whether a post status is considered "viewable". * * The returned filtered value must be a boolean type to ensure * `is_post_status_viewable()` only returns a boolean. This strictness * is by design to maintain backwards-compatibility and guard against * potential type errors in PHP 8.1+. Non-boolean values (even falsey * and truthy values) will result in the function returning false. * * @since 5.9.0 * * @param bool $is_viewable Whether the post status is "viewable" (strict type). * @param stdClass $post_status Post status object. */ return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status ); }
/** * Determines whether a post is publicly viewable. * * Posts are considered publicly viewable if both the post status and post type * are viewable. * * @since 5.7.0 * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return bool Whether the post is publicly viewable. */ function is_post_publicly_viewable( $post = null ) { $post = get_post( $post );
/** * Retrieves an array of the latest posts, or posts matching the given criteria. * * For more information on the accepted arguments, see the * {@link https://developer.wordpress.org/reference/classes/wp_query/ * WP_Query} documentation in the Developer Handbook. * * The `$ignore_sticky_posts` and `$no_found_rows` arguments are ignored by * this function and both are set to `true`. * * The defaults are as follows: * * @since 1.2.0 * * @see WP_Query * @see WP_Query::parse_query() * * @param array $args { * Optional. Arguments to retrieve posts. See WP_Query::parse_query() for all available arguments. * * @type int $numberposts Total number of posts to retrieve. Is an alias of `$posts_per_page` * in WP_Query. Accepts -1 for all. Default 5. * @type int|string $category Category ID or comma-separated list of IDs (this or any children). * Is an alias of `$cat` in WP_Query. Default 0. * @type int[] $include An array of post IDs to retrieve, sticky posts will be included. * Is an alias of `$post__in` in WP_Query. Default empty array. * @type int[] $exclude An array of post IDs not to retrieve. Default empty array. * @type bool $suppress_filters Whether to suppress filters. Default true. * } * @return WP_Post[]|int[] Array of post objects or post IDs. */ function get_posts( $args = null ) { $defaults = array( 'numberposts' => 5, 'category' => 0, 'orderby' => 'date', 'order' => 'DESC', 'include' => array(), 'exclude' => array(), 'meta_key' => '', 'meta_value' => '', 'post_type' => 'post', 'suppress_filters' => true, );
$get_posts = new WP_Query(); return $get_posts->query( $parsed_args ); }
// // Post meta functions. //
/** * Adds a meta field to the given post. * * Post meta data is called "Custom Fields" on the Administration Screen. * * @since 1.5.0 * * @param int $post_id Post ID. * @param string $meta_key Metadata name. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param bool $unique Optional. Whether the same key should not be added. * Default false. * @return int|false Meta ID on success, false on failure. */ function add_post_meta( $post_id, $meta_key, $meta_value, $unique = false ) { // Make sure meta is added to the post, not a revision. $the_post = wp_is_post_revision( $post_id ); if ( $the_post ) { $post_id = $the_post; }
/** * Deletes a post meta field for the given post ID. * * You can match based on the key, or key and value. Removing based on key and * value, will keep from removing duplicate metadata with the same key. It also * allows removing all metadata matching the key, if needed. * * @since 1.5.0 * * @param int $post_id Post ID. * @param string $meta_key Metadata name. * @param mixed $meta_value Optional. Metadata value. If provided, * rows will only be removed that match the value. * Must be serializable if non-scalar. Default empty. * @return bool True on success, false on failure. */ function delete_post_meta( $post_id, $meta_key, $meta_value = '' ) { // Make sure meta is deleted from the post, not from a revision. $the_post = wp_is_post_revision( $post_id ); if ( $the_post ) { $post_id = $the_post; }
/** * Retrieves a post meta field for the given post ID. * * @since 1.5.0 * * @param int $post_id Post ID. * @param string $key Optional. The meta key to retrieve. By default, * returns data for all keys. Default empty. * @param bool $single Optional. Whether to return a single value. * This parameter has no effect if `$key` is not specified. * Default false. * @return mixed An array of values if `$single` is false. * The value of the meta field if `$single` is true. * False for an invalid `$post_id` (non-numeric, zero, or negative value). * An empty array if a valid but non-existing post ID is passed and `$single` is false. * An empty string if a valid but non-existing post ID is passed and `$single` is true. */ function get_post_meta( $post_id, $key = '', $single = false ) { return get_metadata( 'post', $post_id, $key, $single ); }
/** * Updates a post meta field based on the given post ID. * * Use the `$prev_value` parameter to differentiate between meta fields with the * same key and post ID. * * If the meta field for the post does not exist, it will be added and its ID returned. * * Can be used in place of add_post_meta(). * * @since 1.5.0 * * @param int $post_id Post ID. * @param string $meta_key Metadata key. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param mixed $prev_value Optional. Previous value to check before updating. * If specified, only update existing metadata entries with * this value. Otherwise, update all entries. Default empty. * @return int|bool Meta ID if the key didn't exist, true on successful update, * false on failure or if the value passed to the function * is the same as the one that is already in the database. */ function update_post_meta( $post_id, $meta_key, $meta_value, $prev_value = '' ) { // Make sure meta is updated for the post, not for a revision. $the_post = wp_is_post_revision( $post_id ); if ( $the_post ) { $post_id = $the_post; }
/** * Deletes everything from post meta matching the given meta key. * * @since 2.3.0 * * @param string $post_meta_key Key to search for when deleting. * @return bool Whether the post meta key was deleted from the database. */ function delete_post_meta_by_key( $post_meta_key ) { return delete_metadata( 'post', null, $post_meta_key, '', true ); }
/** * Registers a meta key for posts. * * @since 4.9.8 * * @param string $post_type Post type to register a meta key for. Pass an empty string * to register the meta key across all existing post types. * @param string $meta_key The meta key to register. * @param array $args Data used to describe the meta key when registered. See * {@see register_meta()} for a list of supported arguments. * @return bool True if the meta key was successfully registered, false if not. */ function register_post_meta( $post_type, $meta_key, array $args ) { $args['object_subtype'] = $post_type;
/** * Unregisters a meta key for posts. * * @since 4.9.8 * * @param string $post_type Post type the meta key is currently registered for. Pass * an empty string if the meta key is registered across all * existing post types. * @param string $meta_key The meta key to unregister. * @return bool True on success, false if the meta key was not previously registered. */ function unregister_post_meta( $post_type, $meta_key ) { return unregister_meta_key( 'post', $meta_key, $post_type ); }
/** * Retrieves post meta fields, based on post ID. * * The post meta fields are retrieved from the cache where possible, * so the function is optimized to be called more than once. * * @since 1.2.0 * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return mixed An array of values. * False for an invalid `$post_id` (non-numeric, zero, or negative value). * An empty string if a valid but non-existing post ID is passed. */ function get_post_custom( $post_id = 0 ) { $post_id = absint( $post_id );
if ( ! $post_id ) { $post_id = get_the_ID(); }
return get_post_meta( $post_id ); }
/** * Retrieves meta field names for a post. * * If there are no meta fields, then nothing (null) will be returned. * * @since 1.2.0 * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return array|void Array of the keys, if retrieved. */ function get_post_custom_keys( $post_id = 0 ) { $custom = get_post_custom( $post_id );
/** * Retrieves values for a custom post field. * * The parameters must not be considered optional. All of the post meta fields * will be retrieved and only the meta field key values returned. * * @since 1.2.0 * * @param string $key Optional. Meta field key. Default empty. * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return array|null Meta field values. */ function get_post_custom_values( $key = '', $post_id = 0 ) { if ( ! $key ) { return null; }
/** * Determines whether a post is sticky. * * Sticky posts should remain at the top of The Loop. If the post ID is not * given, then The Loop ID for the current post will be used. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.7.0 * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return bool Whether post is sticky. */ function is_sticky( $post_id = 0 ) { $post_id = absint( $post_id );
/** * Filters whether a post is sticky. * * @since 5.3.0 * * @param bool $is_sticky Whether a post is sticky. * @param int $post_id Post ID. */ return apply_filters( 'is_sticky', $is_sticky, $post_id ); }
/** * Sanitizes every post field. * * If the context is 'raw', then the post object or array will get minimal * sanitization of the integer fields. * * @since 2.3.0 * * @see sanitize_post_field() * * @param object|WP_Post|array $post The post object or array * @param string $context Optional. How to sanitize post fields. * Accepts 'raw', 'edit', 'db', 'display', * 'attribute', or 'js'. Default 'display'. * @return object|WP_Post|array The now sanitized post object or array (will be the * same type as `$post`). */ function sanitize_post( $post, $context = 'display' ) { if ( is_object( $post ) ) { // Check if post already filtered for this context. if ( isset( $post->filter ) && $context == $post->filter ) { return $post; } if ( ! isset( $post->ID ) ) { $post->ID = 0; } foreach ( array_keys( get_object_vars( $post ) ) as $field ) { $post->$field = sanitize_post_field( $field, $post->$field, $post->ID, $context ); } $post->filter = $context; } elseif ( is_array( $post ) ) { // Check if post already filtered for this context. if ( isset( $post['filter'] ) && $context == $post['filter'] ) { return $post; } if ( ! isset( $post['ID'] ) ) { $post['ID'] = 0; } foreach ( array_keys( $post ) as $field ) { $post[ $field ] = sanitize_post_field( $field, $post[ $field ], $post['ID'], $context ); } $post['filter'] = $context; } return $post; }
/** * Sanitizes a post field based on context. * * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and * 'js'. The 'display' context is used by default. 'attribute' and 'js' contexts * are treated like 'display' when calling filters. * * @since 2.3.0 * @since 4.4.0 Like `sanitize_post()`, `$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 Optional. How to sanitize the field. Possible values are 'raw', 'edit', * 'db', 'display', 'attribute' and 'js'. Default 'display'. * @return mixed Sanitized value. */ function sanitize_post_field( $field, $value, $post_id, $context = 'display' ) { $int_fields = array( 'ID', 'post_parent', 'menu_order' ); if ( in_array( $field, $int_fields, true ) ) { $value = (int) $value; }
// Fields which contain arrays of integers. $array_int_fields = array( 'ancestors' ); if ( in_array( $field, $array_int_fields, true ) ) { $value = array_map( 'absint', $value ); return $value; }
/** * Filters the value of a specific post field to edit. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. Possible filter names include: * * - `edit_post_author` * - `edit_post_date` * - `edit_post_date_gmt` * - `edit_post_content` * - `edit_post_title` * - `edit_post_excerpt` * - `edit_post_status` * - `edit_post_password` * - `edit_post_name` * - `edit_post_modified` * - `edit_post_modified_gmt` * - `edit_post_content_filtered` * - `edit_post_parent` * - `edit_post_type` * - `edit_post_mime_type` * * @since 2.3.0 * * @param mixed $value Value of the post field. * @param int $post_id Post ID. */ $value = apply_filters( "edit_{$field}", $value, $post_id );
/** * Filters the value of a specific post field to edit. * * Only applied to post fields with a name which is prefixed with `post_`. * * The dynamic portion of the hook name, `$field_no_prefix`, refers to the * post field name minus the `post_` prefix. Possible filter names include: * * - `author_edit_pre` * - `date_edit_pre` * - `date_gmt_edit_pre` * - `content_edit_pre` * - `title_edit_pre` * - `excerpt_edit_pre` * - `status_edit_pre` * - `password_edit_pre` * - `name_edit_pre` * - `modified_edit_pre` * - `modified_gmt_edit_pre` * - `content_filtered_edit_pre` * - `parent_edit_pre` * - `type_edit_pre` * - `mime_type_edit_pre` * * @since 2.3.0 * * @param mixed $value Value of the post field. * @param int $post_id Post ID. */ $value = apply_filters( "{$field_no_prefix}_edit_pre", $value, $post_id ); } else { /** * Filters the value of a specific post field to edit. * * Only applied to post fields not prefixed with `post_`. * * The dynamic portion of the hook name, `$field`, refers to the * post field name. Possible filter names include: * * - `edit_post_ID` * - `edit_post_ping_status` * - `edit_post_pinged` * - `edit_post_to_ping` * - `edit_post_comment_count` * - `edit_post_comment_status` * - `edit_post_guid` * - `edit_post_menu_order` * * @since 2.3.0 * * @param mixed $value Value of the post field. * @param int $post_id Post ID. */ $value = apply_filters( "edit_post_{$field}", $value, $post_id ); }
/** * Filters the value of a specific post field before saving. * * Only applied to post fields with a name which is prefixed with `post_`. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. Possible filter names include: * * - `pre_post_author` * - `pre_post_date` * - `pre_post_date_gmt` * - `pre_post_content` * - `pre_post_title` * - `pre_post_excerpt` * - `pre_post_status` * - `pre_post_password` * - `pre_post_name` * - `pre_post_modified` * - `pre_post_modified_gmt` * - `pre_post_content_filtered` * - `pre_post_parent` * - `pre_post_type` * - `pre_post_mime_type` * * @since 2.3.0 * * @param mixed $value Value of the post field. */ $value = apply_filters( "pre_{$field}", $value );
/** * Filters the value of a specific field before saving. * * Only applied to post fields with a name which is prefixed with `post_`. * * The dynamic portion of the hook name, `$field_no_prefix`, refers to the * post field name minus the `post_` prefix. Possible filter names include: * * - `author_save_pre` * - `date_save_pre` * - `date_gmt_save_pre` * - `content_save_pre` * - `title_save_pre` * - `excerpt_save_pre` * - `status_save_pre` * - `password_save_pre` * - `name_save_pre` * - `modified_save_pre` * - `modified_gmt_save_pre` * - `content_filtered_save_pre` * - `parent_save_pre` * - `type_save_pre` * - `mime_type_save_pre` * * @since 2.3.0 * * @param mixed $value Value of the post field. */ $value = apply_filters( "{$field_no_prefix}_save_pre", $value ); } else { /** * Filters the value of a specific field before saving. * * Only applied to post fields with a name which is prefixed with `post_`. * * The dynamic portion of the hook name, `$field_no_prefix`, refers to the * post field name minus the `post_` prefix. Possible filter names include: * * - `pre_post_ID` * - `pre_post_comment_status` * - `pre_post_ping_status` * - `pre_post_to_ping` * - `pre_post_pinged` * - `pre_post_guid` * - `pre_post_menu_order` * - `pre_post_comment_count` * * @since 2.3.0 * * @param mixed $value Value of the post field. */ $value = apply_filters( "pre_post_{$field}", $value );
/** * Filters the value of a specific post field before saving. * * Only applied to post fields with a name which is *not* prefixed with `post_`. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. Possible filter names include: * * - `ID_pre` * - `comment_status_pre` * - `ping_status_pre` * - `to_ping_pre` * - `pinged_pre` * - `guid_pre` * - `menu_order_pre` * - `comment_count_pre` * * @since 2.3.0 * * @param mixed $value Value of the post field. */ $value = apply_filters( "{$field}_pre", $value ); } } else {
// Use display filters by default. if ( $prefixed ) {
/** * Filters the value of a specific post field for display. * * Only applied to post fields with a name which is prefixed with `post_`. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. Possible filter names include: * * - `post_author` * - `post_date` * - `post_date_gmt` * - `post_content` * - `post_title` * - `post_excerpt` * - `post_status` * - `post_password` * - `post_name` * - `post_modified` * - `post_modified_gmt` * - `post_content_filtered` * - `post_parent` * - `post_type` * - `post_mime_type` * * @since 2.3.0 * * @param mixed $value Value of the prefixed post field. * @param int $post_id Post ID. * @param string $context Context for how to sanitize the field. * Accepts 'raw', 'edit', 'db', 'display', * 'attribute', or 'js'. Default 'display'. */ $value = apply_filters( "{$field}", $value, $post_id, $context ); } else { /** * Filters the value of a specific post field for display. * * Only applied to post fields name which is *not* prefixed with `post_`. * * The dynamic portion of the hook name, `$field`, refers to the post * field name. Possible filter names include: * * - `post_ID` * - `post_comment_status` * - `post_ping_status` * - `post_to_ping` * - `post_pinged` * - `post_guid` * - `post_menu_order` * - `post_comment_count` * * @since 2.3.0 * * @param mixed $value Value of the unprefixed post field. * @param int $post_id Post ID * @param string $context Context for how to sanitize the field. * Accepts 'raw', 'edit', 'db', 'display', * 'attribute', or 'js'. Default 'display'. */ $value = apply_filters( "post_{$field}", $value, $post_id, $context ); }
// Restore the type for integer fields after esc_attr(). if ( in_array( $field, $int_fields, true ) ) { $value = (int) $value; } return $value; }
/** * Makes a post sticky. * * Sticky posts should be displayed at the top of the front page. * * @since 2.7.0 * * @param int $post_id Post ID. */ function stick_post( $post_id ) { $post_id = (int) $post_id; $stickies = get_option( 'sticky_posts' ); $updated = false;
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 ); } }
/** * Un-sticks a post. * * Sticky posts should be displayed at the top of the front page. * * @since 2.7.0 * * @param int $post_id Post ID. */ function unstick_post( $post_id ) { $post_id = (int) $post_id; $stickies = get_option( 'sticky_posts' );
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 ); } }
/** * Returns the cache key for wp_count_posts() based on the passed arguments. * * @since 3.9.0 * @access private * * @param string $type Optional. Post type to retrieve count Default 'post'. * @param string $perm Optional. 'readable' or empty. Default empty. * @return string The cache key. */ function _count_posts_cache_key( $type = 'post', $perm = '' ) { $cache_key = 'posts-' . $type;
/** * Counts number of posts of a post type and if user has permissions to view. * * This function provides an efficient method of finding the amount of post's * type a blog has. Another method is to count the amount of items in * get_posts(), but that method has a lot of overhead with doing so. Therefore, * when developing for 2.5+, use this function instead. * * The $perm parameter checks for 'readable' value and if the user can read * private posts, it will display that for the user that is signed in. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $type Optional. Post type to retrieve count. Default 'post'. * @param string $perm Optional. 'readable' or empty. Default empty. * @return stdClass An object containing the number of posts for each status, * or an empty object if the post type does not exist. */ function wp_count_posts( $type = 'post', $perm = '' ) { global $wpdb;
if ( ! post_type_exists( $type ) ) { return new stdClass(); }
$counts = wp_cache_get( $cache_key, 'counts' ); if ( false !== $counts ) { // We may have cached this before every status was registered. foreach ( get_post_stati() as $status ) { if ( ! isset( $counts->{$status} ) ) { $counts->{$status} = 0; } }
/** This filter is documented in wp-includes/post.php */ return apply_filters( 'wp_count_posts', $counts, $type, $perm ); }
$query = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = %s";
if ( 'readable' === $perm && is_user_logged_in() ) { $post_type_object = get_post_type_object( $type ); if ( ! current_user_can( $post_type_object->cap->read_private_posts ) ) { $query .= $wpdb->prepare( " AND (post_status != 'private' OR ( post_author = %d AND post_status = 'private' ))", get_current_user_id() ); } }
/** * Filters the post counts by status for the current post type. * * @since 3.7.0 * * @param stdClass $counts An object containing the current post_type's post * counts by status. * @param string $type Post type. * @param string $perm The permission to determine if the posts are 'readable' * by the current user. */ return apply_filters( 'wp_count_posts', $counts, $type, $perm ); }
/** * Counts number of attachments for the mime type(s). * * If you set the optional mime_type parameter, then an array will still be * returned, but will only have the item you are looking for. It does not give * you the number of attachments that are children of a post. You can get that * by counting the number of children that post has. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string|string[] $mime_type Optional. Array or comma-separated list of * MIME patterns. Default empty. * @return stdClass An object containing the attachment counts by mime type. */ function wp_count_attachments( $mime_type = '' ) { global $wpdb;
/** * Filters the default list of post mime types. * * @since 2.5.0 * * @param array $post_mime_types Default list of post mime types. */ return apply_filters( 'post_mime_types', $post_mime_types ); }
/** * Checks a MIME-Type against a list. * * If the `$wildcard_mime_types` parameter is a string, it must be comma separated * list. If the `$real_mime_types` is a string, it is also comma separated to * create the list. * * @since 2.5.0 * * @param string|string[] $wildcard_mime_types Mime types, e.g. `audio/mpeg`, `image` (same as `image/*`), * or `flash` (same as `*flash*`). * @param string|string[] $real_mime_types Real post mime type values. * @return array array(wildcard=>array(real types)). */ function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) { $matches = array(); if ( is_string( $wildcard_mime_types ) ) { $wildcard_mime_types = array_map( 'trim', explode( ',', $wildcard_mime_types ) ); } if ( is_string( $real_mime_types ) ) { $real_mime_types = array_map( 'trim', explode( ',', $real_mime_types ) ); }
if ( ! empty( $where_clauses ) ) { $where = ' AND (' . implode( ' OR ', $where_clauses ) . ') '; }
return $where; }
/** * Trashes or deletes a post or page. * * When the post and page is permanently deleted, everything that is tied to * it is deleted also. This includes comments, post meta fields, and terms * associated with the post. * * The post or page is moved to Trash instead of permanently deleted unless * Trash is disabled, item is already in the Trash, or $force_delete is true. * * @since 1.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * @see wp_delete_attachment() * @see wp_trash_post() * * @param int $post_id Optional. Post ID. Default 0. * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. * Default false. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_delete_post( $post_id = 0, $force_delete = false ) { global $wpdb;
$post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id ) );
/** * Filters whether a post deletion should take place. * * @since 4.4.0 * * @param WP_Post|false|null $delete Whether to go forward with deletion. * @param WP_Post $post Post object. * @param bool $force_delete Whether to bypass the Trash. */ $check = apply_filters( 'pre_delete_post', null, $post, $force_delete ); if ( null !== $check ) { return $check; }
/** * Fires before a post is deleted, at the start of wp_delete_post(). * * @since 3.2.0 * @since 5.5.0 Added the `$post` parameter. * * @see wp_delete_post() * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'before_delete_post', $post_id, $post );
if ( is_post_type_hierarchical( $post->post_type ) ) { // Point children of this page to its parent, also clean the cache of affected children. $children_query = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s", $post_id, $post->post_type );
// Do raw query. wp_get_post_revisions() is filtered. $revision_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $post_id ) );
// Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up. foreach ( $revision_ids as $revision_id ) { wp_delete_post_revision( $revision_id ); }
// Point all attachments to this post up one level. $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 ORDER BY comment_ID DESC", $post_id ) );
/** * Fires immediately before a post is deleted from the database. * * The dynamic portion of the hook name, `$post->post_type`, refers to * the post type slug. * * @since 6.6.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( "delete_post_{$post->post_type}", $post_id, $post );
/** * Fires immediately before a post is deleted from the database. * * @since 1.2.0 * @since 5.5.0 Added the `$post` parameter. * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'delete_post', $post_id, $post );
/** * Fires immediately after a post is deleted from the database. * * The dynamic portion of the hook name, `$post->post_type`, refers to * the post type slug. * * @since 6.6.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( "deleted_post_{$post->post_type}", $post_id, $post );
/** * Fires immediately after a post is deleted from the database. * * @since 2.2.0 * @since 5.5.0 Added the `$post` parameter. * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'deleted_post', $post_id, $post );
/** * Fires after a post is deleted, at the conclusion of wp_delete_post(). * * @since 3.2.0 * @since 5.5.0 Added the `$post` parameter. * * @see wp_delete_post() * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'after_delete_post', $post_id, $post );
return $post; }
/** * Resets the page_on_front, show_on_front, and page_for_post settings when * a linked page is deleted or trashed. * * Also ensures the post is no longer sticky. * * @since 3.7.0 * @access private * * @param int $post_id Post ID. */ function _reset_front_page_settings_for_post( $post_id ) { $post = get_post( $post_id );
if ( 'page' === $post->post_type ) { /* * If the page is defined in option page_on_front or post_for_posts, * adjust the corresponding options. */ if ( get_option( 'page_on_front' ) == $post->ID ) { update_option( 'show_on_front', 'posts' ); update_option( 'page_on_front', 0 ); } if ( get_option( 'page_for_posts' ) == $post->ID ) { update_option( 'page_for_posts', 0 ); } }
unstick_post( $post->ID ); }
/** * Moves a post or page to the Trash * * If Trash is disabled, the post or page is permanently deleted. * * @since 2.9.0 * * @see wp_delete_post() * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post` * if `EMPTY_TRASH_DAYS` equals true. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_trash_post( $post_id = 0 ) { if ( ! EMPTY_TRASH_DAYS ) { return wp_delete_post( $post_id, true ); }
$post = get_post( $post_id );
if ( ! $post ) { return $post; }
if ( 'trash' === $post->post_status ) { return false; }
$previous_status = $post->post_status;
/** * Filters whether a post trashing should take place. * * @since 4.9.0 * @since 6.3.0 Added the `$previous_status` parameter. * * @param bool|null $trash Whether to go forward with trashing. * @param WP_Post $post Post object. * @param string $previous_status The status of the post about to be trashed. */ $check = apply_filters( 'pre_trash_post', null, $post, $previous_status );
if ( null !== $check ) { return $check; }
/** * Fires before a post is sent to the Trash. * * @since 3.3.0 * @since 6.3.0 Added the `$previous_status` parameter. * * @param int $post_id Post ID. * @param string $previous_status The status of the post about to be trashed. */ do_action( 'wp_trash_post', $post_id, $previous_status );
/** * Fires after a post is sent to the Trash. * * @since 2.9.0 * @since 6.3.0 Added the `$previous_status` parameter. * * @param int $post_id Post ID. * @param string $previous_status The status of the post at the point where it was trashed. */ do_action( 'trashed_post', $post_id, $previous_status );
return $post; }
/** * Restores a post from the Trash. * * @since 2.9.0 * @since 5.6.0 An untrashed post is now returned to 'draft' status by default, except for * attachments which are returned to their original 'inherit' status. * * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_untrash_post( $post_id = 0 ) { $post = get_post( $post_id );
if ( ! $post ) { return $post; }
$post_id = $post->ID;
if ( 'trash' !== $post->post_status ) { return false; }
/** * Filters whether a post untrashing should take place. * * @since 4.9.0 * @since 5.6.0 Added the `$previous_status` parameter. * * @param bool|null $untrash Whether to go forward with untrashing. * @param WP_Post $post Post object. * @param string $previous_status The status of the post at the point where it was trashed. */ $check = apply_filters( 'pre_untrash_post', null, $post, $previous_status ); if ( null !== $check ) { return $check; }
/** * Fires before a post is restored from the Trash. * * @since 2.9.0 * @since 5.6.0 Added the `$previous_status` parameter. * * @param int $post_id Post ID. * @param string $previous_status The status of the post at the point where it was trashed. */ do_action( 'untrash_post', $post_id, $previous_status );
/** * Filters the status that a post gets assigned when it is restored from the trash (untrashed). * * By default posts that are restored will be assigned a status of 'draft'. Return the value of `$previous_status` * in order to assign the status that the post had before it was trashed. The `wp_untrash_post_set_previous_status()` * function is available for this. * * Prior to WordPress 5.6.0, restored posts were always assigned their original status. * * @since 5.6.0 * * @param string $new_status The new status of the post being restored. * @param int $post_id The ID of the post being restored. * @param string $previous_status The status of the post at the point where it was trashed. */ $post_status = apply_filters( 'wp_untrash_post_status', $new_status, $post_id, $previous_status );
/** * Fires after a post is restored from the Trash. * * @since 2.9.0 * @since 5.6.0 Added the `$previous_status` parameter. * * @param int $post_id Post ID. * @param string $previous_status The status of the post at the point where it was trashed. */ do_action( 'untrashed_post', $post_id, $previous_status );
return $post; }
/** * Moves comments for a post to the Trash. * * @since 2.9.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return mixed|void False on failure. */ function wp_trash_post_comments( $post = null ) { global $wpdb;
$post = get_post( $post );
if ( ! $post ) { return; }
$post_id = $post->ID;
/** * Fires before comments are sent to the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. */ do_action( 'trash_post_comments', $post_id );
$comments = $wpdb->get_results( $wpdb->prepare( "SELECT comment_ID, comment_approved FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ) );
if ( ! $comments ) { return; }
// Cache current status for each comment. $statuses = array(); foreach ( $comments as $comment ) { $statuses[ $comment->comment_ID ] = $comment->comment_approved; } add_post_meta( $post_id, '_wp_trash_meta_comments_status', $statuses );
// Set status for all comments to post-trashed. $result = $wpdb->update( $wpdb->comments, array( 'comment_approved' => 'post-trashed' ), array( 'comment_post_ID' => $post_id ) );
clean_comment_cache( array_keys( $statuses ) );
/** * Fires after comments are sent to the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. * @param array $statuses Array of comment statuses. */ do_action( 'trashed_post_comments', $post_id, $statuses );
return $result; }
/** * Restores comments for a post from the Trash. * * @since 2.9.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return true|void */ function wp_untrash_post_comments( $post = null ) { global $wpdb;
/** * Fires before comments are restored for a post from the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. */ do_action( 'untrash_post_comments', $post_id );
// Restore each comment to its original status. $group_by_status = array(); foreach ( $statuses as $comment_id => $comment_status ) { $group_by_status[ $comment_status ][] = $comment_id; }
foreach ( $group_by_status as $status => $comments ) { // Confidence check. This shouldn't happen. if ( 'post-trashed' === $status ) { $status = '0'; } $comments_in = implode( ', ', array_map( 'intval', $comments ) ); $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->comments SET comment_approved = %s WHERE comment_ID IN ($comments_in)", $status ) ); }
/** * Fires after comments are restored for a post from the Trash. * * @since 2.9.0 * * @param int $post_id Post ID. */ do_action( 'untrashed_post_comments', $post_id ); }
/** * Retrieves the list of categories for a post. * * Compatibility layer for themes and plugins. Also an easy layer of abstraction * away from the complexity of the taxonomy layer. * * @since 2.1.0 * * @see wp_get_object_terms() * * @param int $post_id Optional. The Post ID. Does not default to the ID of the * global $post. Default 0. * @param array $args Optional. Category query parameters. Default empty array. * See WP_Term_Query::__construct() for supported arguments. * @return array|WP_Error List of categories. If the `$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. * WP_Error object if 'category' taxonomy doesn't exist. */ function wp_get_post_categories( $post_id = 0, $args = array() ) { $post_id = (int) $post_id;
/** * Retrieves the tags for a post. * * 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 * 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. Default 0. * @param array $args Optional. Tag query parameters. Default empty array. * See WP_Term_Query::__construct() for supported arguments. * @return array|WP_Error Array of WP_Term objects on success or empty array if no tags were found. * WP_Error object if 'post_tag' taxonomy doesn't exist. */ function wp_get_post_tags( $post_id = 0, $args = array() ) { return wp_get_post_terms( $post_id, 'post_tag', $args ); }
/** * Retrieves the terms for a post. * * @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|string[] $taxonomy Optional. The taxonomy slug or array of slugs for which * to retrieve terms. Default 'post_tag'. * @param array $args { * Optional. Term query parameters. See WP_Term_Query::__construct() for supported arguments. * * @type string $fields Term fields to retrieve. Default 'all'. * } * @return array|WP_Error Array of WP_Term objects on success or empty array if no terms were found. * WP_Error object if `$taxonomy` doesn't exist. */ function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) { $post_id = (int) $post_id;
/** * Retrieves a number of recent posts. * * @since 1.0.0 * * @see get_posts() * * @param array $args Optional. Arguments to retrieve posts. Default empty array. * @param string $output Optional. The required return type. One of OBJECT or ARRAY_A, which * correspond to a WP_Post object or an associative array, respectively. * Default ARRAY_A. * @return array|false Array of recent posts, where the type of each element is determined * by the `$output` parameter. Empty array on failure. */ function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) {
if ( is_numeric( $args ) ) { _deprecated_argument( __FUNCTION__, '3.1.0', __( 'Passing an integer number of posts is deprecated. Pass an array of arguments instead.' ) ); $args = array( 'numberposts' => absint( $args ) ); }
// Backward compatibility. Prior to 3.1 expected posts to be returned in array. if ( ARRAY_A === $output ) { foreach ( $results as $key => $result ) { $results[ $key ] = get_object_vars( $result ); } return $results ? $results : array(); }
return $results ? $results : false; }
/** * Inserts or update a post. * * If the $postarr parameter has 'ID' set to a value, then post will be updated. * * You can set the post date manually, by setting the values for 'post_date' * and 'post_date_gmt' keys. You can close the comments or open the comments by * setting the value for 'comment_status' key. * * @since 1.0.0 * @since 2.6.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. * @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 `$postarr` to add post meta data. * @since 5.6.0 Added the `$fire_after_hooks` parameter. * * @see sanitize_post() * @global wpdb $wpdb WordPress database abstraction object. * * @param array $postarr { * An array of elements that make up a post to update or insert. * * @type int $ID The post ID. If equal to something other than 0, * the post with that ID will be updated. Default 0. * @type int $post_author The ID of the user who added the post. Default is * the current user ID. * @type string $post_date The date of the post. Default is the current time. * @type string $post_date_gmt The date of the post in the GMT timezone. Default is * the value of `$post_date`. * @type string $post_content The post content. Default empty. * @type string $post_content_filtered The filtered post content. Default empty. * @type string $post_title The post title. Default empty. * @type string $post_excerpt The post excerpt. Default empty. * @type string $post_status The post status. Default 'draft'. * @type string $post_type The post type. Default 'post'. * @type string $comment_status Whether the post can accept comments. Accepts 'open' or 'closed'. * Default is the value of 'default_comment_status' option. * @type string $ping_status Whether the post can accept pings. Accepts 'open' or 'closed'. * Default is the value of 'default_ping_status' option. * @type string $post_password The password to access the post. Default empty. * @type string $post_name The post name. Default is the sanitized post title * when creating a new post. * @type string $to_ping Space or carriage return-separated list of URLs to ping. * Default empty. * @type string $pinged Space or carriage return-separated list of URLs that have * been pinged. Default empty. * @type int $post_parent Set this for the post it belongs to, if any. Default 0. * @type int $menu_order The order the post should be displayed in. Default 0. * @type string $post_mime_type The mime type of the post. Default empty. * @type string $guid Global Unique ID for referencing the post. Default empty. * @type int $import_id The post ID to be used when inserting a new post. * If specified, must not match any existing post ID. Default 0. * @type int[] $post_category Array of category IDs. * Defaults to value of the 'default_category' option. * @type array $tags_input Array of tag names, slugs, or IDs. Default empty. * @type array $tax_input An array of taxonomy terms keyed by their taxonomy name. * If the taxonomy is hierarchical, the term list needs to be * either an array of term IDs or a comma-separated string of IDs. * If the taxonomy is non-hierarchical, the term list can be an array * that contains term names or slugs, or a comma-separated string * of names or slugs. This is because, in hierarchical taxonomy, * child terms can have the same names with different parent terms, * so the only way to connect them is using ID. Default empty. * @type array $meta_input Array of post meta values keyed by their post meta key. Default empty. * @type string $page_template Page template to use. * } * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. * @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, $fire_after_hooks = true ) { global $wpdb;
// Capture original pre-sanitized array for passing into filters. $unsanitized_postarr = $postarr;
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; }
/** * Filters whether the post should be considered "empty". * * The post is considered "empty" if both: * 1. The post type supports the title, editor, and excerpt fields * 2. The title, editor, and excerpt fields are all empty * * Returning a truthy value from the filter will effectively short-circuit * the new post being inserted and return 0. If $wp_error is true, a WP_Error * will be returned instead. * * @since 3.3.0 * * @param bool $maybe_empty Whether the post should be considered "empty". * @param array $postarr Array of post data. */ if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) { if ( $wp_error ) { return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) ); } else { return 0; } }
// Make sure we set a valid category. if ( empty( $post_category ) || 0 === count( $post_category ) || ! is_array( $post_category ) ) { // 'post' requires at least one category. if ( 'post' === $post_type && 'auto-draft' !== $post_status ) { $post_category = array( get_option( 'default_category' ) ); } else { $post_category = array(); } }
/* * Don't allow contributors to set the post slug for pending review posts. * * For new posts check the primitive capability, for updates check the meta capability. */ if ( 'pending' === $post_status ) { $post_type_object = get_post_type_object( $post_type );
/* * Create a valid post name. Drafts and pending posts are allowed to have * an empty post name. */ if ( empty( $post_name ) ) { if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true ) ) { $post_name = sanitize_title( $post_title ); } else { $post_name = ''; } } else { // On updates, we need to check to see if it's using the old, fixed sanitization context. $check_name = sanitize_title( $post_name, '', 'old-save' );
if ( $update && strtolower( urlencode( $post_name ) ) === $check_name && get_post_field( 'post_name', $post_id ) === $check_name ) { $post_name = $check_name; } else { // New post, or slug has changed. $post_name = sanitize_title( $post_name ); } }
/* * Resolve the post date from any provided post date or post date GMT strings; * if none are provided, the date will be set to now. */ $post_date = wp_resolve_post_date( $postarr['post_date'], $postarr['post_date_gmt'] );
if ( ! $post_date ) { if ( $wp_error ) { return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); } else { return 0; } }
/* * The 'wp_insert_post_parent' filter expects all variables to be present. * Previously, these variables would have already been extracted */ if ( isset( $postarr['menu_order'] ) ) { $menu_order = (int) $postarr['menu_order']; } else { $menu_order = 0; }
/** * Filters the post parent -- used to check for and prevent hierarchy loops. * * @since 3.1.0 * * @param int $post_parent Post parent ID. * @param int $post_id Post ID. * @param array $new_postarr Array of parsed post data. * @param array $postarr Array of sanitized, but otherwise unmodified post data. */ $post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_id, $new_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 a trashed post has the desired slug, change it and let this post have it. if ( 'trash' !== $post_status && $post_name ) { /** * Filters whether or not to add a `__trashed` suffix to trashed posts that match the name of the updated post. * * @since 5.4.0 * * @param bool $add_trashed_suffix Whether to attempt to add the suffix. * @param string $post_name The name of the post being updated. * @param int $post_id Post ID. */ $add_trashed_suffix = apply_filters( 'add_trashed_suffix_to_trashed_posts', true, $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 ); }
if ( 'attachment' === $post_type ) { /** * Filters attachment post data before it is updated in or added to the database. * * @since 3.9.0 * @since 5.4.1 The `$unsanitized_postarr` parameter was added. * @since 6.0.0 The `$update` parameter was added. * * @param array $data An array of slashed, sanitized, and processed attachment post data. * @param array $postarr An array of slashed and sanitized attachment post data, but not processed. * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed attachment post data * as originally passed to wp_insert_post(). * @param bool $update Whether this is an existing attachment post being updated. */ $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr, $unsanitized_postarr, $update ); } else { /** * Filters slashed post data just before it is inserted into the database. * * @since 2.7.0 * @since 5.4.1 The `$unsanitized_postarr` parameter was added. * @since 6.0.0 The `$update` parameter was added. * * @param array $data An array of slashed, sanitized, and processed post data. * @param array $postarr An array of sanitized (and slashed) but otherwise unmodified post data. * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as * originally passed to wp_insert_post(). * @param bool $update Whether this is an existing post being updated. */ $data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr, $update ); }
if ( $update ) { /** * Fires immediately before an existing post is updated in the database. * * @since 2.5.0 * * @param int $post_id Post ID. * @param array $data Array of unslashed post data. */ do_action( 'pre_post_update', $post_id, $data );
if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) { if ( $wp_error ) { if ( 'attachment' === $post_type ) { $message = __( 'Could not update attachment in the database.' ); } else { $message = __( 'Could not update post in the database.' ); }
return new WP_Error( 'db_update_error', $message, $wpdb->last_error ); } else { return 0; } } } else { // If there is a suggested ID, use it if not already present. if ( ! empty( $import_id ) ) { $import_id = (int) $import_id;
if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id ) ) ) { $data['ID'] = $import_id; } }
if ( false === $wpdb->insert( $wpdb->posts, $data ) ) { if ( $wp_error ) { if ( 'attachment' === $post_type ) { $message = __( 'Could not insert attachment into the database.' ); } else { $message = __( 'Could not insert post into the database.' ); }
if ( 'attachment' !== $postarr['post_type'] ) { wp_transition_post_status( $data['post_status'], $previous_status, $post ); } else { if ( $update ) { /** * Fires once an existing attachment has been updated. * * @since 2.0.0 * * @param int $post_id Attachment ID. */ do_action( 'edit_attachment', $post_id );
$post_after = get_post( $post_id );
/** * Fires once an existing attachment has been updated. * * @since 4.4.0 * * @param int $post_id Post ID. * @param WP_Post $post_after Post object following the update. * @param WP_Post $post_before Post object before the update. */ do_action( 'attachment_updated', $post_id, $post_after, $post_before ); } else {
/** * Fires once an attachment has been added. * * @since 2.0.0 * * @param int $post_id Attachment ID. */ do_action( 'add_attachment', $post_id ); }
return $post_id; }
if ( $update ) { /** * Fires once an existing post has been updated. * * The dynamic portion of the hook name, `$post->post_type`, refers to * the post type slug. * * Possible hook names include: * * - `edit_post_post` * - `edit_post_page` * * @since 5.1.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( "edit_post_{$post->post_type}", $post_id, $post );
/** * Fires once an existing post has been updated. * * @since 1.2.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'edit_post', $post_id, $post );
$post_after = get_post( $post_id );
/** * Fires once an existing post has been updated. * * @since 3.0.0 * * @param int $post_id Post ID. * @param WP_Post $post_after Post object following the update. * @param WP_Post $post_before Post object before the update. */ do_action( 'post_updated', $post_id, $post_after, $post_before ); }
/** * Fires once a post has been saved. * * The dynamic portion of the hook name, `$post->post_type`, refers to * the post type slug. * * Possible hook names include: * * - `save_post_post` * - `save_post_page` * * @since 3.7.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated. */ do_action( "save_post_{$post->post_type}", $post_id, $post, $update );
/** * Fires once a post has been saved. * * @since 1.5.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated. */ do_action( 'save_post', $post_id, $post, $update );
/** * Fires once a post has been saved. * * @since 2.0.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated. */ do_action( 'wp_insert_post', $post_id, $post, $update );
/** * Updates a post with new post data. * * The date does not have to be set for drafts. You can set the date and it will * not be overridden. * * @since 1.0.0 * @since 3.5.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. * @since 5.6.0 Added the `$fire_after_hooks` parameter. * * @param array|object $postarr Optional. Post data. Arrays are expected to be escaped, * objects are not. See wp_insert_post() for accepted arguments. * Default array. * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure. */ function wp_update_post( $postarr = array(), $wp_error = false, $fire_after_hooks = true ) { if ( is_object( $postarr ) ) { // Non-escaped post was passed. $postarr = get_object_vars( $postarr ); $postarr = wp_slash( $postarr ); }
// First, get all of the original fields. $post = get_post( $postarr['ID'], ARRAY_A );
if ( is_null( $post ) ) { if ( $wp_error ) { return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); } return 0; }
// Escape data pulled from DB. $post = wp_slash( $post );
// Passed post category list overwrites existing category list if not empty. if ( isset( $postarr['post_category'] ) && is_array( $postarr['post_category'] ) && count( $postarr['post_category'] ) > 0 ) { $post_cats = $postarr['post_category']; } else { $post_cats = $post['post_category']; }
// Drafts shouldn't be assigned a date unless explicitly done so by the user. if ( isset( $post['post_status'] ) && in_array( $post['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) && empty( $postarr['edit_date'] ) && ( '0000-00-00 00:00:00' === $post['post_date_gmt'] ) ) { $clear_date = true; } else { $clear_date = false; }
// Merge old and new fields with new fields overwriting old ones. $postarr = array_merge( $post, $postarr ); $postarr['post_category'] = $post_cats; if ( $clear_date ) { $postarr['post_date'] = current_time( 'mysql' ); $postarr['post_date_gmt'] = ''; }
/** * Publishes a post by transitioning the post status. * * @since 2.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post $post Post ID or post object. */ function wp_publish_post( $post ) { global $wpdb;
$post = get_post( $post );
if ( ! $post ) { return; }
if ( 'publish' === $post->post_status ) { return; }
$post_before = get_post( $post->ID );
// Ensure at least one term is applied for taxonomies with a default term. foreach ( get_object_taxonomies( $post->post_type, 'object' ) as $taxonomy => $tax_object ) { // Skip taxonomy if no default term is set. if ( 'category' !== $taxonomy && empty( $tax_object->default_term ) ) { continue; }
// Do not modify previously set terms. if ( ! empty( get_the_terms( $post, $taxonomy ) ) ) { continue; }
/** * Publishes future post and make sure post ID has future post status. * * Invoked by cron 'publish_future_post' event. This safeguard prevents cron * from publishing drafts, etc. * * @since 2.5.0 * * @param int|WP_Post $post Post ID or post object. */ function check_and_publish_future_post( $post ) { $post = get_post( $post );
if ( ! $post ) { return; }
if ( 'future' !== $post->post_status ) { return; }
// Uh oh, someone jumped the gun! if ( $time > time() ) { wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); // Clear anything else in the system. wp_schedule_single_event( $time, 'publish_future_post', array( $post->ID ) ); return; }
// wp_publish_post() returns no meaningful value. wp_publish_post( $post->ID ); }
/** * Uses wp_checkdate to return a valid Gregorian-calendar value for post_date. * If post_date is not provided, this first checks post_date_gmt if provided, * then falls back to use the current time. * * For back-compat purposes in wp_insert_post, an empty post_date and an invalid * post_date_gmt will continue to return '1970-01-01 00:00:00' rather than false. * * @since 5.7.0 * * @param string $post_date The date in mysql format (`Y-m-d H:i:s`). * @param string $post_date_gmt The GMT date in mysql format (`Y-m-d H:i:s`). * @return string|false A valid Gregorian-calendar date string, or false on failure. */ function wp_resolve_post_date( $post_date = '', $post_date_gmt = '' ) { // If the date is empty, set the date to now. if ( empty( $post_date ) || '0000-00-00 00:00:00' === $post_date ) { if ( empty( $post_date_gmt ) || '0000-00-00 00:00:00' === $post_date_gmt ) { $post_date = current_time( 'mysql' ); } else { $post_date = get_date_from_gmt( $post_date_gmt ); } }
/** * Computes a unique slug for the post, when given the desired slug and some post details. * * @since 2.8.0 * * @global wpdb $wpdb WordPress database abstraction object. * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param string $slug The desired slug (post_name). * @param int $post_id Post ID. * @param string $post_status No uniqueness checks are made if the post is still draft or pending. * @param string $post_type Post type. * @param int $post_parent Post parent ID. * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix) */ function wp_unique_post_slug( $slug, $post_id, $post_status, $post_type, $post_parent ) { if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true ) || ( 'inherit' === $post_status && 'revision' === $post_type ) || 'user_request' === $post_type ) { return $slug; }
/** * Filters the post slug before it is generated to be unique. * * Returning a non-null value will short-circuit the * unique slug generation, returning the passed value instead. * * @since 5.1.0 * * @param string|null $override_slug Short-circuit return value. * @param string $slug The desired slug (post_name). * @param int $post_id Post ID. * @param string $post_status The post status. * @param string $post_type Post type. * @param int $post_parent Post parent ID. */ $override_slug = apply_filters( 'pre_wp_unique_post_slug', null, $slug, $post_id, $post_status, $post_type, $post_parent ); if ( null !== $override_slug ) { return $override_slug; }
if ( 'attachment' === $post_type ) { // Attachment slugs must be unique across all types. $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_id ) );
/** * 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. */ $is_bad_attachment_slug = apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug );
/* * Page slugs must be unique within their own trees. Pages are in a separate * namespace than posts so page slugs are allowed to overlap post slugs. */ $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_id, $post_parent ) );
/** * Filters whether the post slug would make a bad hierarchical post slug. * * @since 3.1.0 * * @param bool $bad_slug Whether the post slug would be bad in a hierarchical post context. * @param string $slug The post slug. * @param string $post_type Post type. * @param int $post_parent Post parent ID. */ $is_bad_hierarchical_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, true ) || 'embed' === $slug || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug ) || $is_bad_hierarchical_slug ) { $suffix = 2; do { $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_id, $post_parent ) ); ++$suffix; } while ( $post_name_check ); $slug = $alt_post_name; } } else { // Post slugs must be unique across all posts. $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_id ) );
$post = get_post( $post_id );
// Prevent new post slugs that could result in URLs that conflict with date archives. $conflicts_with_date_archive = false; if ( 'post' === $post_type && ( ! $post || $post->post_name !== $slug ) && preg_match( '/^[0-9]+$/', $slug ) ) { $slug_num = (int) $slug;
/* * Potential date clashes are as follows: * * - Any integer in the first permastruct position could be a year. * - An integer between 1 and 12 that follows 'year' conflicts with 'monthnum'. * - An integer between 1 and 31 that follows 'monthnum' conflicts with 'day'. */ if ( 0 === $postname_index || ( $postname_index && '%year%' === $permastructs[ $postname_index - 1 ] && 13 > $slug_num ) || ( $postname_index && '%monthnum%' === $permastructs[ $postname_index - 1 ] && 32 > $slug_num ) ) { $conflicts_with_date_archive = true; } } }
/** * Filters whether the post slug would be bad as a flat slug. * * @since 3.1.0 * * @param bool $bad_slug Whether the post slug would be bad as a flat slug. * @param string $slug The post slug. * @param string $post_type Post type. */ $is_bad_flat_slug = apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type );
/** * Filters the unique post slug. * * @since 3.3.0 * * @param string $slug The post slug. * @param int $post_id Post ID. * @param string $post_status The post status. * @param string $post_type Post type. * @param int $post_parent Post parent ID * @param string $original_slug The original post slug. */ return apply_filters( 'wp_unique_post_slug', $slug, $post_id, $post_status, $post_type, $post_parent, $original_slug ); }
/** * Truncates a post slug. * * @since 3.6.0 * @access private * * @see utf8_uri_encode() * * @param string $slug The slug to truncate. * @param int $length Optional. Max length of the slug. Default 200 (characters). * @return string The truncated slug. */ function _truncate_post_slug( $slug, $length = 200 ) { if ( strlen( $slug ) > $length ) { $decoded_slug = urldecode( $slug ); if ( $decoded_slug === $slug ) { $slug = substr( $slug, 0, $length ); } else { $slug = utf8_uri_encode( $decoded_slug, $length, true ); } }
return rtrim( $slug, '-' ); }
/** * Adds tags to a post. * * @see wp_set_post_tags() * * @since 2.3.0 * * @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 ); }
/** * Sets the tags for a post. * * @since 2.3.0 * * @see wp_set_object_terms() * * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags * separated by commas. Default empty. * @param bool $append Optional. If true, don't delete existing tags, just add on. If false, * replace the tags with the new tags. Default false. * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure. */ function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) { return wp_set_post_terms( $post_id, $tags, 'post_tag', $append ); }
/** * Sets the terms for a post. * * @since 2.8.0 * * @see wp_set_object_terms() * * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. * @param string|array $terms Optional. An array of terms to set for the post, or a string of terms * separated by commas. Hierarchical taxonomies must always pass IDs rather * than names so that children with the same names but different parents * aren't confused. 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, $terms = '', $taxonomy = 'post_tag', $append = false ) { $post_id = (int) $post_id;
/* * Hierarchical taxonomies must always pass IDs rather than names so that * children with the same names but different parents aren't confused. */ if ( is_taxonomy_hierarchical( $taxonomy ) ) { $terms = array_unique( array_map( 'intval', $terms ) ); }
/** * Sets categories for a post. * * If no categories are provided, the default category is used. * * @since 2.1.0 * * @param int $post_id Optional. The Post ID. Does not default to the ID * of the global $post. Default 0. * @param int[]|int $post_categories Optional. List of category IDs, or the ID of a single category. * Default empty array. * @param bool $append If true, don't delete existing categories, just add on. * If false, replace the categories with the new categories. * @return array|false|WP_Error Array of term taxonomy IDs of affected categories. WP_Error or false on failure. */ function wp_set_post_categories( $post_id = 0, $post_categories = array(), $append = false ) { $post_id = (int) $post_id; $post_type = get_post_type( $post_id ); $post_status = get_post_status( $post_id );
// If $post_categories isn't already an array, make it one. $post_categories = (array) $post_categories;
if ( empty( $post_categories ) ) { /** * Filters post types (in addition to 'post') that require a default category. * * @since 5.5.0 * * @param string[] $post_types An array of post type names. Default empty array. */ $default_category_post_types = apply_filters( 'default_category_post_types', array() );
/** * Fires actions related to the transitioning of a post's status. * * When a post is saved, the post status is "transitioned" from one status to another, * though this does not always mean the status has actually changed before and after * the save. This function fires a number of action hooks related to that transition: * the generic {@see 'transition_post_status'} action, as well as the dynamic hooks * {@see '$old_status_to_$new_status'} and {@see '$new_status_$post->post_type'}. Note * that the function does not transition the post object in the database. * * For instance: When publishing a post for the first time, the post status may transition * from 'draft' – or some other status – to 'publish'. However, if a post is already * published and is simply being updated, the "old" and "new" statuses may both be 'publish' * before and after the transition. * * @since 2.3.0 * * @param string $new_status Transition to this post status. * @param string $old_status Previous post status. * @param WP_Post $post Post data. */ function wp_transition_post_status( $new_status, $old_status, $post ) { /** * Fires when a post is transitioned from one status to another. * * @since 2.3.0 * * @param string $new_status New post status. * @param string $old_status Old post status. * @param WP_Post $post Post object. */ do_action( 'transition_post_status', $new_status, $old_status, $post );
/** * Fires when a post is transitioned from one status to another. * * The dynamic portions of the hook name, `$new_status` and `$old_status`, * refer to the old and new post statuses, respectively. * * Possible hook names include: * * - `draft_to_publish` * - `publish_to_trash` * - `pending_to_draft` * * @since 2.3.0 * * @param WP_Post $post Post object. */ do_action( "{$old_status}_to_{$new_status}", $post );
/** * Fires when a post is transitioned from one status to another. * * The dynamic portions of the hook name, `$new_status` and `$post->post_type`, * refer to the new post status and post type, respectively. * * Possible hook names include: * * - `draft_post` * - `future_post` * - `pending_post` * - `private_post` * - `publish_post` * - `trash_post` * - `draft_page` * - `future_page` * - `pending_page` * - `private_page` * - `publish_page` * - `trash_page` * - `publish_attachment` * - `trash_attachment` * * Please note: When this action is hooked using a particular post status (like * 'publish', as `publish_{$post->post_type}`), it will fire both when a post is * first transitioned to that status from something else, as well as upon * subsequent post updates (old and new status are both the same). * * Therefore, if you are looking to only fire a callback when a post is first * transitioned to a status, use the {@see 'transition_post_status'} hook instead. * * @since 2.3.0 * @since 5.9.0 Added `$old_status` parameter. * * @param int $post_id Post ID. * @param WP_Post $post Post object. * @param string $old_status Old post status. */ do_action( "{$new_status}_{$post->post_type}", $post->ID, $post, $old_status ); }
/** * Fires actions after a post, its terms and meta data has been saved. * * @since 5.6.0 * * @param int|WP_Post $post The post ID or object that has been saved. * @param bool $update Whether this is an existing post being updated. * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior * to the update for updated posts. */ function wp_after_insert_post( $post, $update, $post_before ) { $post = get_post( $post );
if ( ! $post ) { return; }
$post_id = $post->ID;
/** * Fires once a post, its terms and meta data has been saved. * * @since 5.6.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated. * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior * to the update for updated posts. */ do_action( 'wp_after_insert_post', $post_id, $post, $update, $post_before ); }
// // Comment, trackback, and pingback functions. //
/** * Adds a URL to those already pinged. * * @since 1.5.0 * @since 4.7.0 `$post` 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|WP_Post $post Post ID or post object. * @param string|array $uri Ping URI or array of URIs. * @return int|false How many rows were updated. */ function add_ping( $post, $uri ) { global $wpdb;
/** * Filters the new ping URL to add for the given post. * * @since 2.0.0 * * @param string $new New ping URL to add. */ $new = apply_filters( 'add_ping', $new );
/** * Retrieves enclosures already enclosed for a post. * * @since 1.5.0 * * @param int $post_id Post ID. * @return string[] Array of enclosures for the given post. */ function get_enclosed( $post_id ) { $custom_fields = get_post_custom( $post_id ); $pung = array(); if ( ! is_array( $custom_fields ) ) { return $pung; }
/** * Filters the list of enclosures already enclosed for the given post. * * @since 2.0.0 * * @param string[] $pung Array of enclosures for the given post. * @param int $post_id Post ID. */ return apply_filters( 'get_enclosed', $pung, $post_id ); }
/** * Retrieves URLs already pinged for a post. * * @since 1.5.0 * * @since 4.7.0 `$post` can be a WP_Post object. * * @param int|WP_Post $post Post ID or object. * @return string[]|false Array of URLs already pinged for the given post, false if the post is not found. */ function get_pung( $post ) { $post = get_post( $post );
/** * Filters the list of already-pinged URLs for the given post. * * @since 2.0.0 * * @param string[] $pung Array of URLs already pinged for the given post. */ return apply_filters( 'get_pung', $pung ); }
/** * Retrieves URLs that need to be pinged. * * @since 1.5.0 * @since 4.7.0 `$post` can be a WP_Post object. * * @param int|WP_Post $post Post ID or post object. * @return string[]|false List of URLs yet to ping. */ function get_to_ping( $post ) { $post = get_post( $post );
/** * Filters the list of URLs yet to ping for the given post. * * @since 2.0.0 * * @param string[] $to_ping List of URLs yet to ping. */ return apply_filters( 'get_to_ping', $to_ping ); }
/** * Does trackbacks for a list of URLs. * * @since 1.0.0 * * @param string $tb_list Comma separated list of URLs. * @param int $post_id Post ID. */ function trackback_url_list( $tb_list, $post_id ) { if ( ! empty( $tb_list ) ) { // Get post data. $postdata = get_post( $post_id, ARRAY_A );
// Form an excerpt. $excerpt = strip_tags( $postdata['post_excerpt'] ? $postdata['post_excerpt'] : $postdata['post_content'] );
/** * Gets a list of page IDs. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return string[] List of page IDs as strings. */ function get_all_page_ids() { global $wpdb;
$page_ids = wp_cache_get( 'all_page_ids', 'posts' ); if ( ! is_array( $page_ids ) ) { $page_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type = 'page'" ); wp_cache_add( 'all_page_ids', $page_ids, 'posts' ); }
return $page_ids; }
/** * Retrieves page data given a page ID or page object. * * Use get_post() instead of get_page(). * * @since 1.5.1 * @deprecated 3.5.0 Use get_post() * * @param int|WP_Post $page Page object or page ID. Passed by reference. * @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 or array on success, null on failure. */ function get_page( $page, $output = OBJECT, $filter = 'raw' ) { return get_post( $page, $output, $filter ); }
/** * Retrieves a page given its path. * * @since 2.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $page_path Page path. * @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|null WP_Post (or array) on success, or null on failure. */ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { global $wpdb;
/** * Identifies descendants of a given page ID in a list of page objects. * * Descendants are identified from the `$pages` array passed to the function. No database queries are performed. * * @since 1.5.1 * * @param int $page_id Page ID. * @param WP_Post[] $pages List of page objects from which descendants should be identified. * @return WP_Post[] List of page children. */ function get_page_children( $page_id, $pages ) { // Build a hash of ID -> children. $children = array(); foreach ( (array) $pages as $page ) { $children[ (int) $page->post_parent ][] = $page; }
$page_list = array();
// Start the search by looking at immediate children. if ( isset( $children[ $page_id ] ) ) { // Always start at the end of the stack in order to preserve original `$pages` order. $to_look = array_reverse( $children[ $page_id ] );
while ( $to_look ) { $p = array_pop( $to_look ); $page_list[] = $p; if ( isset( $children[ $p->ID ] ) ) { foreach ( array_reverse( $children[ $p->ID ] ) as $child ) { // Append to the `$to_look` stack to descend the tree. $to_look[] = $child; } } } }
return $page_list; }
/** * Orders the pages with children under parents in a flat list. * * It uses auxiliary structure to hold parent-children relationships and * runs in O(N) complexity * * @since 2.0.0 * * @param WP_Post[] $pages Posts array (passed by reference). * @param int $page_id Optional. Parent page ID. Default 0. * @return string[] Array of post names keyed by ID and arranged by hierarchy. Children immediately follow their parents. */ function get_page_hierarchy( &$pages, $page_id = 0 ) { if ( empty( $pages ) ) { return array(); }
/** * Traverses and return all the nested children post names of a root page. * * $children contains parent-children relations * * @since 2.9.0 * @access private * * @see _page_traverse_name() * * @param int $page_id Page ID. * @param array $children Parent-children relations (passed by reference). * @param string[] $result Array of page names keyed by ID (passed by reference). */ function _page_traverse_name( $page_id, &$children, &$result ) { if ( isset( $children[ $page_id ] ) ) { foreach ( (array) $children[ $page_id ] as $child ) { $result[ $child->ID ] = $child->post_name; _page_traverse_name( $child->ID, $children, $result ); } } }
/** * Builds the URI path for a page. * * Sub pages will be in the "directory" under the parent page post name. * * @since 1.5.0 * @since 4.6.0 The `$page` parameter was made optional. * * @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 = 0 ) { if ( ! $page instanceof WP_Post ) { $page = get_post( $page ); }
/** * 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 ); }
/** * Retrieves an array of pages (or hierarchical post type items). * * @since 1.5.0 * @since 6.3.0 Use WP_Query internally. * * @param array|string $args { * Optional. Array or string of arguments to retrieve pages. * * @type int $child_of Page ID to return child and grandchild pages of. Note: The value * of `$hierarchical` has no bearing on whether `$child_of` returns * hierarchical results. Default 0, or no restriction. * @type string $sort_order How to sort retrieved pages. Accepts 'ASC', 'DESC'. Default 'ASC'. * @type string $sort_column What columns to sort pages by, comma-separated. Accepts 'post_author', * 'post_date', 'post_title', 'post_name', 'post_modified', 'menu_order', * 'post_modified_gmt', 'post_parent', 'ID', 'rand', 'comment_count'. * 'post_' can be omitted for any values that start with it. * Default 'post_title'. * @type bool $hierarchical Whether to return pages hierarchically. If false in conjunction with * `$child_of` also being false, both arguments will be disregarded. * Default true. * @type int[] $exclude Array of page IDs to exclude. Default empty array. * @type int[] $include Array of page IDs to include. Cannot be used with `$child_of`, * `$parent`, `$exclude`, `$meta_key`, `$meta_value`, or `$hierarchical`. * Default empty array. * @type string $meta_key Only include pages with this meta key. Default empty. * @type string $meta_value Only include pages with this meta value. Requires `$meta_key`. * Default empty. * @type string $authors A comma-separated list of author IDs. Default empty. * @type int $parent Page ID to return direct children of. Default -1, or no restriction. * @type string|int[] $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|array $post_status A comma-separated list or array of post statuses to include. * Default 'publish'. * } * @return WP_Post[]|false Array of pages (or hierarchical post type items). Boolean false if the * specified post type is not hierarchical or the specified status is not * supported by the post type. */ function get_pages( $args = array() ) { $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', );
// Make sure the post type is hierarchical. $hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) ); if ( ! in_array( $parsed_args['post_type'], $hierarchical_post_types, true ) ) { return false; }
// Make sure we have a valid post status. if ( ! is_array( $post_status ) ) { $post_status = explode( ',', $post_status ); } if ( array_diff( $post_status, get_post_stati() ) ) { return false; }
/* * Maintain backward compatibility for `sort_column` key. * Additionally to `WP_Query`, it has been supporting the `post_modified_gmt` field, so this logic will translate * it to `post_modified` which should result in the same order given the two dates in the fields match. */ $orderby = wp_parse_list( $parsed_args['sort_column'] ); $orderby = array_map( static function ( $orderby_field ) { $orderby_field = trim( $orderby_field ); if ( 'post_modified_gmt' === $orderby_field || 'modified_gmt' === $orderby_field ) { $orderby_field = str_replace( '_gmt', '', $orderby_field ); } return $orderby_field; }, $orderby ); if ( $orderby ) { $query_args['orderby'] = array_fill_keys( $orderby, $parsed_args['sort_order'] ); }
/** * Filters the retrieved list of pages. * * @since 2.1.0 * * @param WP_Post[] $pages Array of page objects. * @param array $parsed_args Array of get_pages() arguments. */ return apply_filters( 'get_pages', $pages, $parsed_args ); }
// // Attachment functions. //
/** * Determines whether an attachment URI is local and really an attachment. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.0.0 * * @param string $url URL to check * @return bool True on success, false on failure. */ function is_local_attachment( $url ) { if ( ! str_contains( $url, home_url() ) ) { return false; } if ( str_contains( $url, home_url( '/?attachment_id=' ) ) ) { return true; }
/** * Inserts an attachment. * * If you set the 'ID' in the $args parameter, it will mean that you are * updating and attempt to update the attachment. You can also set the * attachment name or title by setting the key 'post_name' or 'post_title'. * * You can set the dates for the attachment manually by setting the 'post_date' * and 'post_date_gmt' keys' values. * * By default, the comments will use the default settings for whether the * comments are allowed. You can close them manually or keep them open by * setting the value for the 'comment_status' key. * * @since 2.0.0 * @since 4.7.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. * @since 5.6.0 Added the `$fire_after_hooks` parameter. * * @see wp_insert_post() * * @param string|array $args Arguments for inserting an attachment. * @param string|false $file Optional. Filename. Default false. * @param int $parent_post_id Optional. Parent post ID or 0 for no parent. Default 0. * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. * @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_post_id = 0, $wp_error = false, $fire_after_hooks = true ) { $defaults = array( 'file' => $file, 'post_parent' => 0, );
/** * Trashes or deletes an attachment. * * When an attachment is permanently deleted, the file will also be removed. * Deletion removes all post meta fields, taxonomy, comments, etc. associated * with the attachment (except the main post). * * The attachment is moved to the Trash instead of permanently deleted unless Trash * for media is disabled, item is already in the Trash, or $force_delete is true. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Attachment ID. * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. * Default false. * @return WP_Post|false|null Post data on success, false or null on failure. */ function wp_delete_attachment( $post_id, $force_delete = false ) { global $wpdb;
$post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id ) );
if ( ! $post ) { return $post; }
$post = get_post( $post );
if ( 'attachment' !== $post->post_type ) { return false; }
/** * Fires before an attachment is deleted, at the start of wp_delete_attachment(). * * @since 2.0.0 * @since 5.5.0 Added the `$post` parameter. * * @param int $post_id Attachment ID. * @param WP_Post $post Post object. */ do_action( 'delete_attachment', $post_id, $post );
/** * Deletes all files that belong to the given attachment. * * @since 4.9.7 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Attachment ID. * @param array $meta The attachment's meta data. * @param array $backup_sizes The meta data for the attachment's backup images. * @param string $file Absolute path to the attachment's file. * @return bool True on success, false on failure. */ function wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ) { global $wpdb;
if ( ! empty( $meta['thumb'] ) ) { // Don't delete the thumb if another attachment uses it. if ( ! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id ) ) ) { $thumbfile = str_replace( wp_basename( $file ), $meta['thumb'], $file );
/** * Retrieves attachment metadata for attachment ID. * * @since 2.1.0 * @since 6.0.0 The `$filesize` value was added to the returned array. * * @param int $attachment_id Attachment post ID. Defaults to global $post. * @param bool $unfiltered Optional. If true, filters are not run. Default false. * @return array|false { * Attachment metadata. False on failure. * * @type int $width The width of the attachment. * @type int $height The height of the attachment. * @type string $file The file path relative to `wp-content/uploads`. * @type array $sizes Keys are size slugs, each value is an array containing * 'file', 'width', 'height', and 'mime-type'. * @type array $image_meta Image metadata. * @type int $filesize File size of the attachment. * } */ function wp_get_attachment_metadata( $attachment_id = 0, $unfiltered = false ) { $attachment_id = (int) $attachment_id;
/** * Filters the attachment meta data. * * @since 2.1.0 * * @param array $data Array of meta data for the given attachment. * @param int $attachment_id Attachment post ID. */ return apply_filters( 'wp_get_attachment_metadata', $data, $attachment_id ); }
/** * Updates metadata for an attachment. * * @since 2.1.0 * * @param int $attachment_id Attachment post ID. * @param array $data Attachment meta data. * @return int|false False if $post is invalid. */ function wp_update_attachment_metadata( $attachment_id, $data ) { $attachment_id = (int) $attachment_id;
$post = get_post( $attachment_id );
if ( ! $post ) { return false; }
/** * Filters the updated attachment meta data. * * @since 2.1.0 * * @param array $data Array of updated attachment meta data. * @param int $attachment_id Attachment post ID. */ $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ); if ( $data ) { return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); } else { return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); } }
/** * Retrieves the URL for an attachment. * * @since 2.1.0 * * @global string $pagenow The filename of the current screen. * * @param int $attachment_id Optional. Attachment post ID. Defaults to global $post. * @return string|false Attachment URL, otherwise false. */ function wp_get_attachment_url( $attachment_id = 0 ) { global $pagenow;
$attachment_id = (int) $attachment_id;
$post = get_post( $attachment_id );
if ( ! $post ) { return false; }
if ( 'attachment' !== $post->post_type ) { return false; }
$url = ''; // Get attached file. $file = get_post_meta( $post->ID, '_wp_attached_file', true ); if ( $file ) { // Get upload directory. $uploads = wp_get_upload_dir(); if ( $uploads && false === $uploads['error'] ) { // Check that the upload base exists in the file location. if ( str_starts_with( $file, $uploads['basedir'] ) ) { // Replace file location with url location. $url = str_replace( $uploads['basedir'], $uploads['baseurl'], $file ); } elseif ( str_contains( $file, 'wp-content/uploads' ) ) { // Get the directory name relative to the basedir (back compat for pre-2.7 uploads). $url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . wp_basename( $file ); } else { // It's a newly-uploaded file, therefore $file is relative to the basedir. $url = $uploads['baseurl'] . "/$file"; } } }
/* * If any of the above options failed, Fallback on the GUID as used pre-2.7, * not recommended to rely upon this. */ if ( ! $url ) { $url = get_the_guid( $post->ID ); }
// On SSL front end, URLs should be HTTPS. if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $pagenow ) { $url = set_url_scheme( $url ); }
/** * Filters the attachment URL. * * @since 2.1.0 * * @param string $url URL for the given attachment. * @param int $attachment_id Attachment post ID. */ $url = apply_filters( 'wp_get_attachment_url', $url, $post->ID );
if ( ! $url ) { return false; }
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 Attachment caption on success, false on failure. */ function wp_get_attachment_caption( $post_id = 0 ) { $post_id = (int) $post_id; $post = get_post( $post_id );
if ( ! $post ) { 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 ); }
/** * Retrieves URL for an attachment thumbnail. * * @since 2.1.0 * @since 6.1.0 Changed to use wp_get_attachment_image_url(). * * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. * @return string|false Thumbnail URL on success, false on failure. */ function wp_get_attachment_thumb_url( $post_id = 0 ) { $post_id = (int) $post_id;
/* * This uses image_downsize() which also looks for the (very) old format $image_meta['thumb'] * when the newer format $image_meta['sizes']['thumbnail'] doesn't exist. */ $thumbnail_url = wp_get_attachment_image_url( $post_id, 'thumbnail' );
if ( empty( $thumbnail_url ) ) { return false; }
/** * Filters the attachment thumbnail URL. * * @since 2.1.0 * * @param string $thumbnail_url URL for the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_url', $thumbnail_url, $post_id ); }
/** * Verifies an attachment is of a given type. * * @since 4.2.0 * * @param string $type Attachment type. Accepts `image`, `audio`, `video`, or a file extension. * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. * @return bool True if an accepted type or a matching file extension, false otherwise. */ function wp_attachment_is( $type, $post = null ) { $post = get_post( $post );
case 'audio': return in_array( $ext, wp_get_audio_extensions(), true );
case 'video': return in_array( $ext, wp_get_video_extensions(), true );
default: return $type === $ext; } }
/** * Determines whether an attachment is an image. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.1.0 * @since 4.2.0 Modified into wrapper for wp_attachment_is() and * allowed WP_Post object to be passed. * * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. * @return bool Whether the attachment is an image. */ function wp_attachment_is_image( $post = null ) { return wp_attachment_is( 'image', $post ); }
/** * Retrieves the icon for a MIME type or attachment. * * @since 2.1.0 * @since 6.5.0 Added the `$preferred_ext` parameter. * * @param string|int $mime MIME type or attachment ID. * @param string $preferred_ext File format to prefer in return. Default '.png'. * @return string|false Icon, false otherwise. */ function wp_mime_type_icon( $mime = 0, $preferred_ext = '.png' ) { if ( ! is_numeric( $mime ) ) { $icon = wp_cache_get( "mime_type_icon_$mime" ); }
// Check if preferred file format variable is present and is a validly formatted file extension. if ( ! empty( $preferred_ext ) && is_string( $preferred_ext ) && ! str_starts_with( $preferred_ext, '.' ) ) { $preferred_ext = '.' . strtolower( $preferred_ext ); }
/** * Filters the mime type icon. * * @since 2.1.0 * * @param string $icon Path to the mime type icon. * @param string $mime Mime type. * @param int $post_id Attachment ID. Will equal 0 if the function passed * the mime type. */ return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); }
/** * Checks for changed slugs for published post objects and save the old slug. * * The function is used when a post object of any type is updated, * by comparing the current and previous post objects. * * If the slug was changed and not already part of the old slugs then it will be * added to the post meta field ('_wp_old_slug') for storing old slugs for that * post. * * The most logically usage of this function is redirecting changed post objects, so * that those that linked to an changed post will be redirected to the new post. * * @since 2.1.0 * * @param int $post_id Post ID. * @param WP_Post $post The post object. * @param WP_Post $post_before The previous post object. */ function wp_check_for_changed_slugs( $post_id, $post, $post_before ) { // Don't bother if it hasn't changed. if ( $post->post_name == $post_before->post_name ) { return; }
// 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, true ) ) { 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, true ) ) { delete_post_meta( $post_id, '_wp_old_slug', $post->post_name ); } }
/** * Checks for changed dates for published post objects and save the old date. * * The function is used when a post object of any type is updated, * by comparing the current and previous post objects. * * If the date was changed and not already part of the old dates then it will be * added to the post meta field ('_wp_old_date') for storing old dates for that * post. * * The most logically usage of this function is redirecting changed post objects, so * that those that linked to an changed post will be redirected to the new post. * * @since 4.9.3 * * @param int $post_id Post ID. * @param WP_Post $post The post object. * @param WP_Post $post_before The previous post object. */ function wp_check_for_changed_dates( $post_id, $post, $post_before ) { $previous_date = gmdate( 'Y-m-d', strtotime( $post_before->post_date ) ); $new_date = gmdate( 'Y-m-d', strtotime( $post->post_date ) );
// Don't bother if it hasn't changed. if ( $new_date == $previous_date ) { return; }
// If we haven't added this old date before, add it now. if ( ! empty( $previous_date ) && ! in_array( $previous_date, $old_dates, true ) ) { add_post_meta( $post_id, '_wp_old_date', $previous_date ); }
// If the new slug was used previously, delete it from the list. if ( in_array( $new_date, $old_dates, true ) ) { delete_post_meta( $post_id, '_wp_old_date', $new_date ); } }
/** * Retrieves the private post SQL based on capability. * * This function provides a standardized way to appropriately select on the * post_status of a post type. The function will return a piece of SQL code * that can be added to a WHERE clause; this SQL is constructed to allow all * published posts, and all private posts to which the user has access. * * @since 2.2.0 * @since 4.3.0 Added the ability to pass an array to `$post_type`. * * @param string|array $post_type Single post type or an array of post types. Currently only supports 'post' or 'page'. * @return string SQL code that can be added to a where clause. */ function get_private_posts_cap_sql( $post_type ) { return get_posts_by_author_sql( $post_type, false ); }
/** * Retrieves the post SQL based on capability, author, and type. * * @since 3.0.0 * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`. * * @see get_private_posts_cap_sql() * @global wpdb $wpdb WordPress database abstraction object. * * @param string|string[] $post_type Single post type or an array of post types. * @param bool $full Optional. Returns a full WHERE statement instead of just * an 'andalso' term. Default true. * @param int $post_author Optional. Query posts having a single author ID. Default null. * @param bool $public_only Optional. Only return public posts. Skips cap checks for * $current_user. Default false. * @return string SQL WHERE code that can be added to a query. */ function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, $public_only = false ) { global $wpdb;
/** * Filters the capability to read private posts for a custom post type * when generating SQL for getting posts by author. * * @since 2.2.0 * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless". * * @param string $cap Capability. */ $cap = apply_filters_deprecated( 'pub_priv_sql_capability', array( '' ), '3.2.0' );
if ( null !== $post_author ) { $sql .= $wpdb->prepare( ' AND post_author = %d', $post_author ); }
if ( $full ) { $sql = 'WHERE ' . $sql; }
return $sql; }
/** * Retrieves the most recent time that a post on the site was published. * * The server timezone is the default and is the difference between GMT and * server time. The 'blog' value is the date when the last post was posted. * The 'gmt' is when the last post was posted in GMT formatted date. * * @since 0.71 * @since 4.4.0 The `$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_date` field, which proxies to the timezone set for the site. * 'gmt' uses the `post_date_gmt` field. * Default 'server'. * @param string $post_type Optional. The post type to check. Default 'any'. * @return string The date of the last post, or false on failure. */ function get_lastpostdate( $timezone = 'server', $post_type = 'any' ) { $lastpostdate = _get_last_post_time( $timezone, 'date', $post_type );
/** * Filters the most recent time that a post on the site was published. * * @since 2.3.0 * @since 5.5.0 Added the `$post_type` parameter. * * @param string|false $lastpostdate The most recent time that a post was published, * in 'Y-m-d H:i:s' format. False on failure. * @param string $timezone Location to use for getting the post published date. * See get_lastpostdate() for accepted `$timezone` values. * @param string $post_type The post type to check. */ return apply_filters( 'get_lastpostdate', $lastpostdate, $timezone, $post_type ); }
/** * Gets the most recent time that a post on the site was modified. * * The server timezone is the default and is the difference between GMT and * server time. The 'blog' value is just when the last post was modified. * The 'gmt' is when the last post was modified in GMT time. * * @since 1.2.0 * @since 4.4.0 The `$post_type` argument was added. * * @param string $timezone Optional. The timezone for the timestamp. See get_lastpostdate() * for information on accepted values. * Default 'server'. * @param string $post_type Optional. The post type to check. Default 'any'. * @return string The timestamp in 'Y-m-d H:i:s' format, or false on failure. */ 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|false $lastpostmodified The most recent time that a post was modified, * in 'Y-m-d H:i:s' format, or false. 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 $lastpostmodified; }
/** * Filters the most recent time that a post on the site was modified. * * @since 2.3.0 * @since 5.5.0 Added the `$post_type` parameter. * * @param string|false $lastpostmodified The most recent time that a post was modified, * in 'Y-m-d H:i:s' format. False on failure. * @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. */ return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone, $post_type ); }
/** * Gets the timestamp of the last time any post was modified or published. * * @since 3.1.0 * @since 4.4.0 The `$post_type` argument was added. * @access private * * @global wpdb $wpdb WordPress database abstraction object. * * @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 in 'Y-m-d H:i:s' format, or false on failure. */ function _get_last_post_time( $timezone, $field, $post_type = 'any' ) { global $wpdb;
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 = gmdate( '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' );
return $date; }
return false; }
/** * Updates posts in cache. * * @since 1.5.1 * * @param WP_Post[] $posts Array of post objects (passed by reference). */ function update_post_cache( &$posts ) { if ( ! $posts ) { return; }
/** * Will clean the post in the cache. * * Cleaning means delete from the cache of the post. Will call to clean the term * object cache associated with the post ID. * * This function not run if $_wp_suspend_cache_invalidation is not empty. See * wp_suspend_cache_invalidation(). * * @since 2.0.0 * * @global bool $_wp_suspend_cache_invalidation * * @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;
if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; }
/** * Fires immediately after the given post's cache is cleaned. * * @since 2.5.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'clean_post_cache', $post->ID, $post );
/** * Fires immediately after the given page's cache is cleaned. * * @since 2.5.0 * * @param int $post_id Post ID. */ do_action( 'clean_page_cache', $post->ID ); }
wp_cache_set_posts_last_changed(); }
/** * Updates post, term, and metadata caches for a list of post objects. * * @since 1.5.0 * * @param WP_Post[] $posts Array of post objects (passed by reference). * @param string $post_type Optional. Post type. Default 'post'. * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) { // No point in doing all this work if we didn't match any posts. if ( ! $posts ) { return; }
if ( $update_meta_cache ) { update_postmeta_cache( $post_ids ); } }
/** * Updates post author user caches for a list of post objects. * * @since 6.1.0 * * @param WP_Post[] $posts Array of post objects. */ function update_post_author_caches( $posts ) { /* * cache_users() is a pluggable function so is not available prior * to the `plugins_loaded` hook firing. This is to ensure against * fatal errors when the function is not available. */ if ( ! function_exists( 'cache_users' ) ) { return; }
/** * Updates metadata cache for a list of post IDs. * * Performs SQL query to retrieve the metadata for the post IDs and updates the * metadata cache for the posts. Therefore, the functions, which call this * function, do not need to perform SQL queries on their own. * * @since 2.1.0 * * @param int[] $post_ids Array of post IDs. * @return array|false An array of metadata on success, false if there is nothing to update. */ function update_postmeta_cache( $post_ids ) { return update_meta_cache( 'post', $post_ids ); }
/** * Will clean the attachment in the cache. * * Cleaning means delete from the cache. Optionally will clean the term * object cache associated with the attachment ID. * * This function will not run if $_wp_suspend_cache_invalidation is not empty. * * @since 3.0.0 * * @global bool $_wp_suspend_cache_invalidation * * @param int $id The attachment ID in the cache to clean. * @param bool $clean_terms Optional. Whether to clean terms cache. Default false. */ function clean_attachment_cache( $id, $clean_terms = false ) { global $_wp_suspend_cache_invalidation;
if ( ! empty( $_wp_suspend_cache_invalidation ) ) { return; }
if ( $clean_terms ) { clean_object_term_cache( $id, 'attachment' ); }
/** * Fires after the given attachment's cache is cleaned. * * @since 3.0.0 * * @param int $id Attachment ID. */ do_action( 'clean_attachment_cache', $id ); }
// // Hooks. //
/** * Hook for managing future post transitions to published. * * @since 2.3.0 * @access private * * @see wp_clear_scheduled_hook() * @global wpdb $wpdb WordPress database abstraction object. * * @param string $new_status New post status. * @param string $old_status Previous post status. * @param WP_Post $post Post object. */ function _transition_post_status( $new_status, $old_status, $post ) { global $wpdb;
if ( 'publish' !== $old_status && 'publish' === $new_status ) { // Reset GUID if transitioning to publish and it is empty. if ( '' === get_the_guid( $post->ID ) ) { $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) ); }
/** * Fires when a post's status is transitioned from private to published. * * @since 1.5.0 * @deprecated 2.3.0 Use {@see 'private_to_publish'} instead. * * @param int $post_id Post ID. */ do_action_deprecated( 'private_to_published', array( $post->ID ), '2.3.0', 'private_to_publish' ); }
// If published posts changed clear the lastpostmodified cache. if ( 'publish' === $new_status || 'publish' === $old_status ) { foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' ); wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' ); wp_cache_delete( "lastpostdate:$timezone:{$post->post_type}", 'timeinfo' ); } }
// Always clears the hook in case the post status bounced from future to draft. wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); }
/** * Hook used to schedule publication for a post marked for the future. * * The $post properties used and must exist are 'ID' and 'post_date_gmt'. * * @since 2.3.0 * @access private * * @param int $deprecated Not used. Can be set to null. Never implemented. Not marked * as deprecated with _deprecated_argument() as it conflicts with * wp_transition_post_status() and the default filter for _future_post_hook(). * @param WP_Post $post Post object. */ function _future_post_hook( $deprecated, $post ) { wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT' ), 'publish_future_post', array( $post->ID ) ); }
/** * Hook to schedule pings and enclosures when a post is published. * * Uses XMLRPC_REQUEST and WP_IMPORTING constants. * * @since 2.3.0 * @access private * * @param int $post_id The ID of the post being published. */ function _publish_post_hook( $post_id ) { if ( defined( 'XMLRPC_REQUEST' ) ) { /** * Fires when _publish_post_hook() is called during an XML-RPC request. * * @since 2.1.0 * * @param int $post_id Post ID. */ do_action( 'xmlrpc_publish_post', $post_id ); }
/** * Returns the ID of the post's parent. * * @since 3.1.0 * @since 5.9.0 The `$post` parameter was made optional. * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. * @return int|false Post parent ID (which can be 0 if there is no parent), * or false if the post does not exist. */ function wp_get_post_parent_id( $post = null ) { $post = get_post( $post );
/** * Checks the given subset of the post hierarchy for hierarchy loops. * * Prevents loops from forming and breaks those that it finds. Attached * to the {@see 'wp_insert_post_parent'} filter. * * @since 3.1.0 * * @see wp_find_hierarchy_loop() * * @param int $post_parent ID of the parent for the post we're checking. * @param int $post_id ID of the post we're checking. * @return int The new post_parent for the post, 0 otherwise. */ function wp_check_post_hierarchy_for_loops( $post_parent, $post_id ) { // Nothing fancy here - bail. if ( ! $post_parent ) { return 0; }
// New post can't cause a loop. if ( ! $post_id ) { return $post_parent; }
// Can't be its own parent. if ( $post_parent == $post_id ) { return 0; }
// Now look for larger loops. $loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_id, $post_parent ); if ( ! $loop ) { return $post_parent; // No loop. }
// Setting $post_parent to the given value causes a loop. if ( isset( $loop[ $post_id ] ) ) { return 0; }
// There's a loop, but it doesn't contain $post_id. Break the loop. foreach ( array_keys( $loop ) as $loop_member ) { wp_update_post( array( 'ID' => $loop_member, 'post_parent' => 0, ) ); }
return $post_parent; }
/** * Sets the post thumbnail (featured image) for the given post. * * @since 3.1.0 * * @param int|WP_Post $post Post ID or post object where thumbnail should be attached. * @param int $thumbnail_id Thumbnail to attach. * @return int|bool Post meta ID if the key didn't exist (ie. this is the first time that * a thumbnail has been saved for the post), true on successful update, * false on failure or if the value passed is the same as the one that * is already in the database. */ function set_post_thumbnail( $post, $thumbnail_id ) { $post = get_post( $post ); $thumbnail_id = absint( $thumbnail_id ); if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) { if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) ) { return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id ); } else { return delete_post_meta( $post->ID, '_thumbnail_id' ); } } return false; }
/** * Removes the thumbnail (featured image) from the given post. * * @since 3.3.0 * * @param int|WP_Post $post Post ID or post object from which the thumbnail should be removed. * @return bool True on success, false on failure. */ function delete_post_thumbnail( $post ) { $post = get_post( $post ); if ( $post ) { return delete_post_meta( $post->ID, '_thumbnail_id' ); } return false; }
/** * Deletes auto-drafts for new posts that are > 7 days old. * * @since 3.4.0 * * @global wpdb $wpdb WordPress database abstraction object. */ function wp_delete_auto_drafts() { global $wpdb;
// Cleanup old auto-drafts more than 7 days old. $old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" ); foreach ( (array) $old_posts as $delete ) { // Force delete. wp_delete_post( $delete, true ); } }
/** * Queues posts for lazy-loading of term meta. * * @since 4.5.0 * * @param WP_Post[] $posts Array of WP_Post objects. */ function wp_queue_posts_for_term_meta_lazyload( $posts ) { $post_type_taxonomies = array(); $prime_post_terms = array(); foreach ( $posts as $post ) { if ( ! ( $post instanceof WP_Post ) ) { continue; }
$term_ids = array(); if ( $prime_post_terms ) { foreach ( $prime_post_terms as $taxonomy => $post_ids ) { $cached_term_ids = wp_cache_get_multiple( $post_ids, "{$taxonomy}_relationships" ); if ( is_array( $cached_term_ids ) ) { $cached_term_ids = array_filter( $cached_term_ids ); foreach ( $cached_term_ids as $_term_ids ) { // Backward compatibility for if a plugin is putting objects into the cache, rather than IDs. foreach ( $_term_ids as $term_id ) { if ( is_numeric( $term_id ) ) { $term_ids[] = (int) $term_id; } elseif ( isset( $term_id->term_id ) ) { $term_ids[] = (int) $term_id->term_id; } } } } } $term_ids = array_unique( $term_ids ); }
wp_lazyload_term_meta( $term_ids ); }
/** * Updates the custom taxonomies' term counts when a post's status is changed. * * For example, default posts term counts (for custom taxonomies) don't include * private / draft posts. * * @since 3.3.0 * @access private * * @param string $new_status New post status. * @param string $old_status Old post status. * @param WP_Post $post Post object. */ function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) { // Update counts for the post's terms. foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) { $tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) ); wp_update_term_count( $tt_ids, $taxonomy ); } }
/** * Adds any posts from the given IDs to the cache that do not already exist in cache. * * @since 3.4.0 * @since 6.1.0 This function is no longer marked as "private". * * @see update_post_cache() * @see update_postmeta_cache() * @see update_object_term_cache() * * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $ids ID list. * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) { global $wpdb;
$non_cached_ids = _get_non_cached_ids( $ids, 'posts' ); if ( ! empty( $non_cached_ids ) ) { $fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) );
if ( $fresh_posts ) { // Despite the name, update_post_cache() expects an array rather than a single post. update_post_cache( $fresh_posts ); } }
if ( $update_meta_cache ) { update_postmeta_cache( $ids ); }
/** * Prime the cache containing the parent ID of various post objects. * * @since 6.4.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $ids ID list. */ function _prime_post_parent_id_caches( array $ids ) { global $wpdb;
/** * 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 Post slug. * @param int $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 ), ) );
/** * 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 * * @global wpdb $wpdb WordPress database abstraction object. * * @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;
/** * Sets the last changed time for the 'posts' cache group. * * @since 5.0.0 */ function wp_cache_set_posts_last_changed() { wp_cache_set_last_changed( 'posts' ); }
/** * Gets all available post MIME types for a given post type. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $type * @return string[] An array of MIME types. */ function get_available_post_mime_types( $type = 'attachment' ) { global $wpdb;
/** * Filters the list of available post MIME types for the given post type. * * @since 6.4.0 * * @param string[]|null $mime_types An array of MIME types. Default null. * @param string $type The post type name. Usually 'attachment' but can be any post type. */ $mime_types = apply_filters( 'pre_get_available_post_mime_types', null, $type );
if ( ! is_array( $mime_types ) ) { $mime_types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s AND post_mime_type != ''", $type ) ); }
// Remove nulls from returned $mime_types. return array_values( array_filter( $mime_types ) ); }
/** * Retrieves the path to an uploaded image file. * * Similar to `get_attached_file()` however some images may have been processed after uploading * to make them suitable for web use. In this case the attached "full" size file is usually replaced * with a scaled down version of the original image. This function always returns the path * to the originally uploaded image file. * * @since 5.3.0 * @since 5.4.0 Added the `$unfiltered` parameter. * * @param int $attachment_id Attachment ID. * @param bool $unfiltered Optional. Passed through to `get_attached_file()`. Default false. * @return string|false Path to the original image file or false if the attachment is not an image. */ function wp_get_original_image_path( $attachment_id, $unfiltered = false ) { if ( ! wp_attachment_is_image( $attachment_id ) ) { return false; }
/** * Filters the path to the original image. * * @since 5.3.0 * * @param string $original_image Path to original image file. * @param int $attachment_id Attachment ID. */ return apply_filters( 'wp_get_original_image_path', $original_image, $attachment_id ); }
/** * Retrieves the URL to an original attachment image. * * Similar to `wp_get_attachment_url()` however some images may have been * processed after uploading. In this case this function returns the URL * to the originally uploaded image file. * * @since 5.3.0 * * @param int $attachment_id Attachment post ID. * @return string|false Attachment image URL, false on error or if the attachment is not an image. */ function wp_get_original_image_url( $attachment_id ) { if ( ! wp_attachment_is_image( $attachment_id ) ) { return false; }
/** * Filters the URL to the original attachment image. * * @since 5.3.0 * * @param string $original_image_url URL to original image. * @param int $attachment_id Attachment ID. */ return apply_filters( 'wp_get_original_image_url', $original_image_url, $attachment_id ); }
/** * Filters callback which sets the status of an untrashed post to its previous status. * * This can be used as a callback on the `wp_untrash_post_status` filter. * * @since 5.6.0 * * @param string $new_status The new status of the post being restored. * @param int $post_id The ID of the post being restored. * @param string $previous_status The status of the post at the point where it was trashed. * @return string The new status of the post. */ function wp_untrash_post_set_previous_status( $new_status, $post_id, $previous_status ) { return $previous_status; }
/** * Returns whether the post can be edited in the block editor. * * @since 5.0.0 * @since 6.1.0 Moved to wp-includes from wp-admin. * * @param int|WP_Post $post Post ID or WP_Post object. * @return bool Whether the post can be edited in the block editor. */ function use_block_editor_for_post( $post ) { $post = get_post( $post );
if ( ! $post ) { return false; }
// We're in the meta box loader, so don't use the block editor. if ( is_admin() && isset( $_GET['meta-box-loader'] ) ) { check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' ); return false; }
/** * Filters whether a post is able to be edited in the block editor. * * @since 5.0.0 * * @param bool $use_block_editor Whether the post can be edited or not. * @param WP_Post $post The post being checked. */ return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post ); }
/** * Returns whether a post type is compatible with the block editor. * * The block editor depends on the REST API, and if the post type is not shown in the * REST API, then it won't work with the block editor. * * @since 5.0.0 * @since 6.1.0 Moved to wp-includes from wp-admin. * * @param string $post_type The post type. * @return bool Whether the post type can be edited with the block editor. */ function use_block_editor_for_post_type( $post_type ) { if ( ! post_type_exists( $post_type ) ) { return false; }
/** * Filters whether a post is able to be edited in the block editor. * * @since 5.0.0 * * @param bool $use_block_editor Whether the post type can be edited or not. Default true. * @param string $post_type The post type being checked. */ return apply_filters( 'use_block_editor_for_post_type', true, $post_type ); }
/** * Registers any additional post meta fields. * * @since 6.3.0 Adds `wp_pattern_sync_status` meta field to the wp_block post type so an unsynced option can be added. * * @link https://github.com/WordPress/gutenberg/pull/51144 */ function wp_create_initial_post_meta() { register_post_meta( 'wp_block', 'wp_pattern_sync_status', array( 'sanitize_callback' => 'sanitize_text_field', 'single' => true, 'type' => 'string', 'show_in_rest' => array( 'schema' => array( 'type' => 'string', 'enum' => array( 'partial', 'unsynced' ), ), ), ) ); }