/** * Post API: WP_Post_Type class * * @package WordPress * @subpackage Post * @since 4.6.0 */ /** * Core class used for interacting with post types. * * @since 4.6.0 * * @see register_post_type() */ final class WP_Post_Type { /** * Post type key. * * @since 4.6.0 * @access public * @var string $name */ public $name; /** * Name of the post type shown in the menu. Usually plural. * * @since 4.6.0 * @access public * @var string $label */ public $label; /** * Labels object 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() * * @since 4.6.0 * @access public * @var object $labels */ public $labels; /** * A short descriptive summary of what the post type is. * * Default empty. * * @since 4.6.0 * @access public * @var string $description */ public $description = ''; /** * 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. * * @since 4.6.0 * @access public * @var bool $public */ public $public = false; /** * Whether the post type is hierarchical (e.g. page). * * Default false. * * @since 4.6.0 * @access public * @var bool $hierarchical */ public $hierarchical = false; /** * Whether to exclude posts with this post type from front end search * results. * * Default is the opposite value of $public. * * @since 4.6.0 * @access public * @var bool $exclude_from_search */ public $exclude_from_search = null; /** * 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}` * * Default is the value of $public. * * @since 4.6.0 * @access public * @var bool $publicly_queryable */ public $publicly_queryable = null; /** * Whether to generate and allow a UI for managing this post type in the admin. * * Default is the value of $public. * * @since 4.6.0 * @access public * @var bool $show_ui */ public $show_ui = null; /** * Where to show the post type in the admin menu. * * To work, $show_ui must be true. If true, the post type is shown in its own top level menu. If false, no menu is * shown. If a string of an existing top level menu (eg. 'tools.php' or 'edit.php?post_type=page'), the post type * will be placed as a sub-menu of that. * * Default is the value of $show_ui. * * @since 4.6.0 * @access public * @var bool $show_in_menu */ public $show_in_menu = null; /** * Makes this post type available for selection in navigation menus. * * Default is the value $public. * * @since 4.6.0 * @access public * @var bool $show_in_nav_menus */ public $show_in_nav_menus = null; /** * Makes this post type available via the admin bar. * * Default is the value of $show_in_menu. * * @since 4.6.0 * @access public * @var bool $show_in_admin_bar */ public $show_in_admin_bar = null; /** * The position in the menu order the post type should appear. * * To work, $show_in_menu must be true. Default null (at the bottom). * * @since 4.6.0 * @access public * @var int $menu_position */ public $menu_position = null; /** * 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. * * @since 4.6.0 * @access public * @var string $menu_icon */ public $menu_icon = null; /** * 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'. * * @since 4.6.0 * @access public * @var string $capability_type */ public $capability_type = 'post'; /** * Whether to use the internal default meta capability handling. * * Default false. * * @since 4.6.0 * @access public * @var bool $map_meta_cap */ public $map_meta_cap = false; /** * 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. * * @since 4.6.0 * @access public * @var string $register_meta_box_cb */ public $register_meta_box_cb = null; /** * 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. * * @since 4.6.0 * @access public * @var array $taxonomies */ public $taxonomies = array(); /** * 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. * * @since 4.6.0 * @access public * @var bool|string $has_archive */ public $has_archive = false; /** * 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. * * @since 4.6.0 * @access public * @var string|bool $query_var */ public $query_var; /** * Whether to allow this post type to be exported. * * Default true. * * @since 4.6.0 * @access public * @var bool $can_export */ public $can_export = true; /** * Whether to delete posts of this type when deleting a user. * * If true, posts of this type belonging to the user will be moved to trash when then user is deleted. * If false, posts of this type belonging to the user will *not* be trashed or deleted. * If not set (the default), posts are trashed if post_type_supports( 'author' ). * Otherwise posts are not trashed or deleted. Default null. * * @since 4.6.0 * @access public * @var bool $delete_with_user */ public $delete_with_user = null; /** * Whether this post type is a native or "built-in" post_type. * * Default false. * * @since 4.6.0 * @access public * @var bool $_builtin */ public $_builtin = false; /** * URL segment to use for edit link of this post type. * * Default 'post.php?post=%d'. * * @since 4.6.0 * @access public * @var string $_edit_link */ public $_edit_link = 'post.php?post=%d'; /** * Post type capabilities. * * @since 4.6.0 * @access public * @var object $cap */ public $cap; /** * Triggers the handling of rewrites for this post type. * * Defaults to true, using $post_type as slug. * * @since 4.6.0 * @access public * @var array|false $rewrite */ public $rewrite; /** * The features supported by the post type. * * @since 4.6.0 * @access public * @var array|bool $supports */ public $supports; /** * Whether this post type should appear in the REST API. * * Default false. If true, standard endpoints will be registered with * respect to $rest_base and $rest_controller_class. * * @since 4.7.4 * @access public * @var bool $show_in_rest */ public $show_in_rest; /** * The base path for this post type's REST API endpoints. * * @since 4.7.4 * @access public * @var string|bool $rest_base */ public $rest_base; /** * The controller for this post type's REST API endpoints. * * Custom controllers must extend WP_REST_Controller. * * @since 4.7.4 * @access public * @var string|bool $rest_controller_class */ public $rest_controller_class; /** * Constructor. * * Will populate object properties from the provided arguments and assign other * default properties based on that information. * * @since 4.6.0 * @access public * * @see register_post_type() * * @param string $post_type Post type key. * @param array|string $args Optional. Array or string of arguments for registering a post type. * Default empty array. */ public function __construct( $post_type, $args = array() ) { $this->name = $post_type; $this->set_props( $args ); } /** * Sets post type properties. * * @since 4.6.0 * @access public * * @param array|string $args Array or string of arguments for registering a post type. */ public function set_props( $args ) { $args = wp_parse_args( $args ); /** * Filters the arguments for registering a post type. * * @since 4.4.0 * * @param array $args Array of arguments for registering a post type. * @param string $post_type Post type key. */ $args = apply_filters( 'register_post_type_args', $args, $this->name ); $has_edit_link = ! empty( $args['_edit_link'] ); // Args prefixed with an underscore are reserved for internal use. $defaults = array( 'labels' => array(), 'description' => '', 'public' => false, 'hierarchical' => false, 'exclude_from_search' => null, 'publicly_queryable' => null, 'show_ui' => null, 'show_in_menu' => null, 'show_in_nav_menus' => null, 'show_in_admin_bar' => null, 'menu_position' => null, 'menu_icon' => null, 'capability_type' => 'post', 'capabilities' => array(), 'map_meta_cap' => null, 'supports' => array(), 'register_meta_box_cb' => null, 'taxonomies' => array(), 'has_archive' => false, 'rewrite' => true, 'query_var' => true, 'can_export' => true, 'delete_with_user' => null, 'show_in_rest' => false, 'rest_base' => false, 'rest_controller_class' => false, '_builtin' => false, '_edit_link' => 'post.php?post=%d', ); $args = array_merge( $defaults, $args ); $args['name'] = $this->name; // If not set, default to the setting for public. if ( null === $args['publicly_queryable'] ) { $args['publicly_queryable'] = $args['public']; } // If not set, default to the setting for public. if ( null === $args['show_ui'] ) { $args['show_ui'] = $args['public']; } // If not set, default to the setting for show_ui. if ( null === $args['show_in_menu'] || ! $args['show_ui'] ) { $args['show_in_menu'] = $args['show_ui']; } // If not set, default to the whether the full UI is shown. if ( null === $args['show_in_admin_bar'] ) { $args['show_in_admin_bar'] = (bool) $args['show_in_menu']; } // If not set, default to the setting for public. if ( null === $args['show_in_nav_menus'] ) { $args['show_in_nav_menus'] = $args['public']; } // If not set, default to true if not public, false if public. if ( null === $args['exclude_from_search'] ) { $args['exclude_from_search'] = ! $args['public']; } // Back compat with quirky handling in version 3.0. #14122. if ( empty( $args['capabilities'] ) && null === $args['map_meta_cap'] && in_array( $args['capability_type'], array( 'post', 'page' ) ) ) { $args['map_meta_cap'] = true; } // If not set, default to false. if ( null === $args['map_meta_cap'] ) { $args['map_meta_cap'] = false; } // If there's no specified edit link and no UI, remove the edit link. if ( ! $args['show_ui'] && ! $has_edit_link ) { $args['_edit_link'] = ''; } $this->cap = get_post_type_capabilities( (object) $args ); unset( $args['capabilities'] ); if ( is_array( $args['capability_type'] ) ) { $args['capability_type'] = $args['capability_type'][0]; } if ( false !== $args['query_var'] ) { if ( true === $args['query_var'] ) { $args['query_var'] = $this->name; } else { $args['query_var'] = sanitize_title_with_dashes( $args['query_var'] ); } } if ( false !== $args['rewrite'] && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) { if ( ! is_array( $args['rewrite'] ) ) { $args['rewrite'] = array(); } if ( empty( $args['rewrite']['slug'] ) ) { $args['rewrite']['slug'] = $this->name; } if ( ! isset( $args['rewrite']['with_front'] ) ) { $args['rewrite']['with_front'] = true; } if ( ! isset( $args['rewrite']['pages'] ) ) { $args['rewrite']['pages'] = true; } if ( ! isset( $args['rewrite']['feeds'] ) || ! $args['has_archive'] ) { $args['rewrite']['feeds'] = (bool) $args['has_archive']; } if ( ! isset( $args['rewrite']['ep_mask'] ) ) { if ( isset( $args['permalink_epmask'] ) ) { $args['rewrite']['ep_mask'] = $args['permalink_epmask']; } else { $args['rewrite']['ep_mask'] = EP_PERMALINK; } } } foreach ( $args as $property_name => $property_value ) { $this->$property_name = $property_value; } $this->labels = get_post_type_labels( $this ); $this->label = $this->labels->name; } /** * Sets the features support for the post type. * * @since 4.6.0 * @access public */ public function add_supports() { if ( ! empty( $this->supports ) ) { add_post_type_support( $this->name, $this->supports ); unset( $this->supports ); } elseif ( false !== $this->supports ) { // Add default features. add_post_type_support( $this->name, array( 'title', 'editor' ) ); } } /** * Adds the necessary rewrite rules for the post type. * * @since 4.6.0 * @access public * * @global WP_Rewrite $wp_rewrite WordPress Rewrite Component. * @global WP $wp Current WordPress environment instance. */ public function add_rewrite_rules() { global $wp_rewrite, $wp; if ( false !== $this->query_var && $wp && is_post_type_viewable( $this ) ) { $wp->add_query_var( $this->query_var ); } if ( false !== $this->rewrite && ( is_admin() || '' != get_option( 'permalink_structure' ) ) ) { if ( $this->hierarchical ) { add_rewrite_tag( "%$this->name%", '(.+?)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&pagename=" ); } else { add_rewrite_tag( "%$this->name%", '([^/]+)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&name=" ); } if ( $this->has_archive ) { $archive_slug = true === $this->has_archive ? $this->rewrite['slug'] : $this->has_archive; if ( $this->rewrite['with_front'] ) { $archive_slug = substr( $wp_rewrite->front, 1 ) . $archive_slug; } else { $archive_slug = $wp_rewrite->root . $archive_slug; } add_rewrite_rule( "{$archive_slug}/?$", "index.php?post_type=$this->name", 'top' ); if ( $this->rewrite['feeds'] && $wp_rewrite->feeds ) { $feeds = '(' . trim( implode( '|', $wp_rewrite->feeds ) ) . ')'; add_rewrite_rule( "{$archive_slug}/feed/$feeds/?$", "index.php?post_type=$this->name" . '&feed=$matches[1]', 'top' ); add_rewrite_rule( "{$archive_slug}/$feeds/?$", "index.php?post_type=$this->name" . '&feed=$matches[1]', 'top' ); } if ( $this->rewrite['pages'] ) { add_rewrite_rule( "{$archive_slug}/{$wp_rewrite->pagination_base}/([0-9]{1,})/?$", "index.php?post_type=$this->name" . '&paged=$matches[1]', 'top' ); } } $permastruct_args = $this->rewrite; $permastruct_args['feed'] = $permastruct_args['feeds']; add_permastruct( $this->name, "{$this->rewrite['slug']}/%$this->name%", $permastruct_args ); } } /** * Registers the post type meta box if a custom callback was specified. * * @since 4.6.0 * @access public */ public function register_meta_boxes() { if ( $this->register_meta_box_cb ) { add_action( 'add_meta_boxes_' . $this->name, $this->register_meta_box_cb, 10, 1 ); } } /** * Adds the future post hook action for the post type. * * @since 4.6.0 * @access public */ public function add_hooks() { add_action( 'future_' . $this->name, '_future_post_hook', 5, 2 ); } /** * Registers the taxonomies for the post type. * * @since 4.6.0 * @access public */ public function register_taxonomies() { foreach ( $this->taxonomies as $taxonomy ) { register_taxonomy_for_object_type( $taxonomy, $this->name ); } } /** * Removes the features support for the post type. * * @since 4.6.0 * @access public * * @global array $_wp_post_type_features Post type features. */ public function remove_supports() { global $_wp_post_type_features; unset( $_wp_post_type_features[ $this->name ] ); } /** * Removes any rewrite rules, permastructs, and rules for the post type. * * @since 4.6.0 * @access public * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * @global WP $wp Current WordPress environment instance. * @global array $post_type_meta_caps Used to remove meta capabilities. */ public function remove_rewrite_rules() { global $wp, $wp_rewrite, $post_type_meta_caps; // Remove query var. if ( false !== $this->query_var ) { $wp->remove_query_var( $this->query_var ); } // Remove any rewrite rules, permastructs, and rules. if ( false !== $this->rewrite ) { remove_rewrite_tag( "%$this->name%" ); remove_permastruct( $this->name ); foreach ( $wp_rewrite->extra_rules_top as $regex => $query ) { if ( false !== strpos( $query, "index.php?post_type=$this->name" ) ) { unset( $wp_rewrite->extra_rules_top[ $regex ] ); } } } // Remove registered custom meta capabilities. foreach ( $this->cap as $cap ) { unset( $post_type_meta_caps[ $cap ] ); } } /** * Unregisters the post type meta box if a custom callback was specified. * * @since 4.6.0 * @access public */ public function unregister_meta_boxes() { if ( $this->register_meta_box_cb ) { remove_action( 'add_meta_boxes_' . $this->name, $this->register_meta_box_cb, 10 ); } } /** * Removes the post type from all taxonomies. * * @since 4.6.0 * @access public */ public function unregister_taxonomies() { foreach ( get_object_taxonomies( $this->name ) as $taxonomy ) { unregister_taxonomy_for_object_type( $taxonomy, $this->name ); } } /** * Removes the future post hook action for the post type. * * @since 4.6.0 * @access public */ public function remove_hooks() { remove_action( 'future_' . $this->name, '_future_post_hook', 5 ); } }