Title: WP_Post_Type
Published: August 16, 2016
Last modified: August 20, 2026

---

# class WP_Post_Type {}

## In this article

 * [Description](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#description)
    - [See also](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#see-also)
 * [Methods](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#methods)
 * [Source](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#wp--skip-link--target)

Core class used for interacting with post types.

## 󠀁[Description](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#description)󠁿

### 󠀁[See also](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#see-also)󠁿

 * [register_post_type()](https://developer.wordpress.org/reference/functions/register_post_type/)

## 󠀁[Methods](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#methods)󠁿

| Name | Description | 
| [WP_Post_Type::__construct](https://developer.wordpress.org/reference/classes/wp_post_type/__construct/) | Constructor. | 
| [WP_Post_Type::add_hooks](https://developer.wordpress.org/reference/classes/wp_post_type/add_hooks/) | Adds the future post hook action for the post type. | 
| [WP_Post_Type::add_rewrite_rules](https://developer.wordpress.org/reference/classes/wp_post_type/add_rewrite_rules/) | Adds the necessary rewrite rules for the post type. | 
| [WP_Post_Type::add_supports](https://developer.wordpress.org/reference/classes/wp_post_type/add_supports/) | Sets the features support for the post type. | 
| [WP_Post_Type::get_autosave_rest_controller](https://developer.wordpress.org/reference/classes/wp_post_type/get_autosave_rest_controller/) | Gets the REST API autosave controller for this post type. | 
| [WP_Post_Type::get_default_labels](https://developer.wordpress.org/reference/classes/wp_post_type/get_default_labels/) | Returns the default labels for post types. | 
| [WP_Post_Type::get_rest_controller](https://developer.wordpress.org/reference/classes/wp_post_type/get_rest_controller/) | Gets the REST API controller for this post type. | 
| [WP_Post_Type::get_revisions_rest_controller](https://developer.wordpress.org/reference/classes/wp_post_type/get_revisions_rest_controller/) | Gets the REST API revisions controller for this post type. | 
| [WP_Post_Type::register_meta_boxes](https://developer.wordpress.org/reference/classes/wp_post_type/register_meta_boxes/) | Registers the post type meta box if a custom callback was specified. | 
| [WP_Post_Type::register_taxonomies](https://developer.wordpress.org/reference/classes/wp_post_type/register_taxonomies/) | Registers the taxonomies for the post type. | 
| [WP_Post_Type::remove_hooks](https://developer.wordpress.org/reference/classes/wp_post_type/remove_hooks/) | Removes the future post hook action for the post type. | 
| [WP_Post_Type::remove_rewrite_rules](https://developer.wordpress.org/reference/classes/wp_post_type/remove_rewrite_rules/) | Removes any rewrite rules, permastructs, and rules for the post type. | 
| [WP_Post_Type::remove_supports](https://developer.wordpress.org/reference/classes/wp_post_type/remove_supports/) | Removes the features support for the post type. | 
| [WP_Post_Type::reset_default_labels](https://developer.wordpress.org/reference/classes/wp_post_type/reset_default_labels/) | Resets the cache for the default labels. | 
| [WP_Post_Type::set_props](https://developer.wordpress.org/reference/classes/wp_post_type/set_props/) | Sets post type properties. | 
| [WP_Post_Type::unregister_meta_boxes](https://developer.wordpress.org/reference/classes/wp_post_type/unregister_meta_boxes/) | Unregisters the post type meta box if a custom callback was specified. | 
| [WP_Post_Type::unregister_taxonomies](https://developer.wordpress.org/reference/classes/wp_post_type/unregister_taxonomies/) | Removes the post type from all taxonomies. |

## 󠀁[Source](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#source)󠁿

    ```php
    #[AllowDynamicProperties]
    final class WP_Post_Type {
    	/**
    	 * Post type key.
    	 *
    	 * @since 4.6.0
    	 * @var string $name
    	 */
    	public $name;

    	/**
    	 * Name of the post type shown in the menu. Usually plural.
    	 *
    	 * @since 4.6.0
    	 * @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
    	 * @var stdClass $labels
    	 */
    	public $labels;

    	/**
    	 * Default labels.
    	 *
    	 * @since 6.0.0
    	 * @var (string|null)[][] $default_labels
    	 */
    	protected static $default_labels = array();

    	/**
    	 * A short descriptive summary of what the post type is.
    	 *
    	 * Default empty.
    	 *
    	 * @since 4.6.0
    	 * @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
    	 * @var bool $public
    	 */
    	public $public = false;

    	/**
    	 * Whether the post type is hierarchical (e.g. page).
    	 *
    	 * Default false.
    	 *
    	 * @since 4.6.0
    	 * @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
    	 * @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
    	 * @var bool $publicly_queryable
    	 */
    	public $publicly_queryable = null;

    	/**
    	 * Whether this post type is embeddable.
    	 *
    	 * Default is the value of $public.
    	 *
    	 * @since 6.8.0
    	 * @var bool $embeddable
    	 */
    	public $embeddable = 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
    	 * @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 ('tools.php' or 'edit.php?post_type=page', for example), the
    	 * post type will be placed as a sub-menu of that.
    	 *
    	 * Default is the value of $show_ui.
    	 *
    	 * @since 4.6.0
    	 * @var bool|string $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
    	 * @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
    	 * @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
    	 * @var int $menu_position
    	 */
    	public $menu_position = null;

    	/**
    	 * The URL or reference 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
    	 * @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
    	 * @var string $capability_type
    	 */
    	public $capability_type = 'post';

    	/**
    	 * Whether to use the internal default meta capability handling.
    	 *
    	 * Default false.
    	 *
    	 * @since 4.6.0
    	 * @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
    	 * @var callable $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
    	 * @var string[] $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
    	 * @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
    	 * @var string|bool $query_var
    	 */
    	public $query_var;

    	/**
    	 * Whether to allow this post type to be exported.
    	 *
    	 * Default true.
    	 *
    	 * @since 4.6.0
    	 * @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 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.
    	 *
    	 * @since 4.6.0
    	 * @var bool $delete_with_user
    	 */
    	public $delete_with_user = null;

    	/**
    	 * 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.
    	 *
    	 * @link https://developer.wordpress.org/block-editor/developers/block-api/block-templates/
    	 *
    	 * @since 5.0.0
    	 * @var array[] $template
    	 */
    	public $template = array();

    	/**
    	 * 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.
    	 * - If set to 'contentOnly', the user is only able to edit the content of existing blocks.
    	 *
    	 * Default false.
    	 *
    	 * @link https://developer.wordpress.org/block-editor/developers/block-api/block-templates/
    	 *
    	 * @since 5.0.0
    	 * @var string|false $template_lock
    	 */
    	public $template_lock = false;

    	/**
    	 * Whether this post type is a native or "built-in" post_type.
    	 *
    	 * Default false.
    	 *
    	 * @since 4.6.0
    	 * @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
    	 * @var string $_edit_link
    	 */
    	public $_edit_link = 'post.php?post=%d';

    	/**
    	 * Post type capabilities.
    	 *
    	 * @since 4.6.0
    	 * @var stdClass $cap
    	 */
    	public $cap;

    	/**
    	 * Triggers the handling of rewrites for this post type.
    	 *
    	 * Defaults to true, using $post_type as slug.
    	 *
    	 * @since 4.6.0
    	 * @var array|false $rewrite
    	 */
    	public $rewrite;

    	/**
    	 * The features supported by the post type.
    	 *
    	 * @since 4.6.0
    	 * @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
    	 * @var bool $show_in_rest
    	 */
    	public $show_in_rest;

    	/**
    	 * The base path for this post type's REST API endpoints.
    	 *
    	 * @since 4.7.4
    	 * @var string|bool $rest_base
    	 */
    	public $rest_base;

    	/**
    	 * The namespace for this post type's REST API endpoints.
    	 *
    	 * @since 5.9.0
    	 * @var string|bool $rest_namespace
    	 */
    	public $rest_namespace;

    	/**
    	 * The controller for this post type's REST API endpoints.
    	 *
    	 * Custom controllers must extend WP_REST_Controller.
    	 *
    	 * @since 4.7.4
    	 * @var string|bool $rest_controller_class
    	 */
    	public $rest_controller_class;

    	/**
    	 * The controller instance for this post type's REST API endpoints.
    	 *
    	 * Lazily computed. Should be accessed using WP_Post_Type::get_rest_controller().
    	 *
    	 * @since 5.3.0
    	 * @var WP_REST_Controller $rest_controller
    	 */
    	public $rest_controller;

    	/**
    	 * The controller for this post type's revisions REST API endpoints.
    	 *
    	 * Custom controllers must extend WP_REST_Controller.
    	 *
    	 * @since 6.4.0
    	 * @var string|bool $revisions_rest_controller_class
    	 */
    	public $revisions_rest_controller_class;

    	/**
    	 * The controller instance for this post type's revisions REST API endpoints.
    	 *
    	 * Lazily computed. Should be accessed using WP_Post_Type::get_revisions_rest_controller().
    	 *
    	 * @since 6.4.0
    	 * @var WP_REST_Controller $revisions_rest_controller
    	 */
    	public $revisions_rest_controller;

    	/**
    	 * The controller for this post type's autosave REST API endpoints.
    	 *
    	 * Custom controllers must extend WP_REST_Controller.
    	 *
    	 * @since 6.4.0
    	 * @var string|bool $autosave_rest_controller_class
    	 */
    	public $autosave_rest_controller_class;

    	/**
    	 * The controller instance for this post type's autosave REST API endpoints.
    	 *
    	 * Lazily computed. Should be accessed using WP_Post_Type::get_autosave_rest_controller().
    	 *
    	 * @since 6.4.0
    	 * @var WP_REST_Controller $autosave_rest_controller
    	 */
    	public $autosave_rest_controller;

    	/**
    	 * A flag to register the post type REST API controller after its associated autosave / revisions controllers, instead of before. Registration order affects route matching priority.
    	 *
    	 * @since 6.4.0
    	 * @var bool $late_route_registration
    	 */
    	public $late_route_registration;

    	/**
    	 * Constructor.
    	 *
    	 * See the register_post_type() function for accepted arguments for `$args`.
    	 *
    	 * Will populate object properties from the provided arguments and assign other
    	 * default properties based on that information.
    	 *
    	 * @since 4.6.0
    	 *
    	 * @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.
    	 *                                See register_post_type() for information on accepted arguments.
    	 *                                Default empty array.
    	 */
    	public function __construct( $post_type, $args = array() ) {
    		$this->name = $post_type;

    		$this->set_props( $args );
    	}

    	/**
    	 * Sets post type properties.
    	 *
    	 * See the register_post_type() function for accepted arguments for `$args`.
    	 *
    	 * @since 4.6.0
    	 *
    	 * @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.
    		 *                          See the register_post_type() function for accepted arguments.
    		 * @param string $post_type Post type key.
    		 */
    		$args = apply_filters( 'register_post_type_args', $args, $this->name );

    		$post_type = $this->name;

    		/**
    		 * Filters the arguments for registering a specific post type.
    		 *
    		 * The dynamic portion of the filter name, `$post_type`, refers to the post type key.
    		 *
    		 * Possible hook names include:
    		 *
    		 *  - `register_post_post_type_args`
    		 *  - `register_page_post_type_args`
    		 *
    		 * @since 6.0.0
    		 * @since 6.4.0 Added `late_route_registration`, `autosave_rest_controller_class` and `revisions_rest_controller_class` arguments.
    		 *
    		 * @param array  $args      Array of arguments for registering a post type.
    		 *                          See the register_post_type() function for accepted arguments.
    		 * @param string $post_type Post type key.
    		 */
    		$args = apply_filters( "register_{$post_type}_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,
    			'embeddable'                      => 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_namespace'                  => false,
    			'rest_controller_class'           => false,
    			'autosave_rest_controller_class'  => false,
    			'revisions_rest_controller_class' => false,
    			'late_route_registration'         => false,
    			'template'                        => array(),
    			'template_lock'                   => 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 'public'.
    		if ( null === $args['embeddable'] ) {
    			$args['embeddable'] = $args['public'];
    		}

    		// If not set, default rest_namespace to wp/v2 if show_in_rest is true.
    		if ( false === $args['rest_namespace'] && ! empty( $args['show_in_rest'] ) ) {
    			$args['rest_namespace'] = 'wp/v2';
    		}

    		// 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 setting for 'show_in_menu'.
    		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' ), true )
    		) {
    			$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'] ) ) {
    				$args['rewrite']['ep_mask'] = $args['permalink_epmask'] ?? 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
    	 */
    	public function add_supports() {
    		if ( ! empty( $this->supports ) ) {
    			foreach ( $this->supports as $feature => $args ) {
    				if ( is_array( $args ) ) {
    					add_post_type_support( $this->name, $feature, $args );
    				} else {
    					add_post_type_support( $this->name, $args );
    				}
    			}
    			unset( $this->supports );

    			/*
    			 * 'editor' support implies 'autosave' support for backward compatibility.
    			 * 'autosave' support needs to be explicitly removed if not desired.
    			 */
    			if (
    				post_type_supports( $this->name, 'editor' ) &&
    				! post_type_supports( $this->name, 'autosave' )
    			) {
    				add_post_type_support( $this->name, 'autosave' );
    			}
    		} elseif ( false !== $this->supports ) {
    			// Add default features.
    			add_post_type_support( $this->name, array( 'title', 'editor', 'autosave' ) );
    		}
    	}

    	/**
    	 * Adds the necessary rewrite rules for the post type.
    	 *
    	 * @since 4.6.0
    	 *
    	 * @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
    	 */
    	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
    	 */
    	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
    	 */
    	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
    	 *
    	 * @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
    	 *
    	 * @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 ( str_contains( $query, "index.php?post_type=$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
    	 */
    	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
    	 */
    	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
    	 */
    	public function remove_hooks() {
    		remove_action( 'future_' . $this->name, '_future_post_hook', 5 );
    	}

    	/**
    	 * Gets the REST API controller for this post type.
    	 *
    	 * Will only instantiate the controller class once per request.
    	 *
    	 * @since 5.3.0
    	 *
    	 * @return WP_REST_Controller|null The controller instance, or null if the post type
    	 *                                 is set not to show in rest.
    	 */
    	public function get_rest_controller() {
    		if ( ! $this->show_in_rest ) {
    			return null;
    		}

    		$class = $this->rest_controller_class ? $this->rest_controller_class : WP_REST_Posts_Controller::class;

    		if ( ! class_exists( $class ) ) {
    			return null;
    		}

    		if ( ! is_subclass_of( $class, WP_REST_Controller::class ) ) {
    			return null;
    		}

    		if ( ! $this->rest_controller ) {
    			$this->rest_controller = new $class( $this->name );
    		}

    		if ( ! ( $this->rest_controller instanceof $class ) ) {
    			return null;
    		}

    		return $this->rest_controller;
    	}

    	/**
    	 * Gets the REST API revisions controller for this post type.
    	 *
    	 * Will only instantiate the controller class once per request.
    	 *
    	 * @since 6.4.0
    	 *
    	 * @return WP_REST_Controller|null The controller instance, or null if the post type
    	 *                                 is set not to show in rest.
    	 */
    	public function get_revisions_rest_controller() {
    		if ( ! $this->show_in_rest ) {
    			return null;
    		}

    		if ( ! post_type_supports( $this->name, 'revisions' ) ) {
    			return null;
    		}

    		$class = $this->revisions_rest_controller_class ? $this->revisions_rest_controller_class : WP_REST_Revisions_Controller::class;
    		if ( ! class_exists( $class ) ) {
    			return null;
    		}

    		if ( ! is_subclass_of( $class, WP_REST_Controller::class ) ) {
    			return null;
    		}

    		if ( ! $this->revisions_rest_controller ) {
    			$this->revisions_rest_controller = new $class( $this->name );
    		}

    		if ( ! ( $this->revisions_rest_controller instanceof $class ) ) {
    			return null;
    		}

    		return $this->revisions_rest_controller;
    	}

    	/**
    	 * Gets the REST API autosave controller for this post type.
    	 *
    	 * Will only instantiate the controller class once per request.
    	 *
    	 * @since 6.4.0
    	 *
    	 * @return WP_REST_Controller|null The controller instance, or null if the post type
    	 *                                 is set not to show in rest.
    	 */
    	public function get_autosave_rest_controller() {
    		if ( ! $this->show_in_rest ) {
    			return null;
    		}

    		if ( ! post_type_supports( $this->name, 'autosave' ) ) {
    			return null;
    		}

    		$class = $this->autosave_rest_controller_class ? $this->autosave_rest_controller_class : WP_REST_Autosaves_Controller::class;

    		if ( ! class_exists( $class ) ) {
    			return null;
    		}

    		if ( ! is_subclass_of( $class, WP_REST_Controller::class ) ) {
    			return null;
    		}

    		if ( ! $this->autosave_rest_controller ) {
    			$this->autosave_rest_controller = new $class( $this->name );
    		}

    		if ( ! ( $this->autosave_rest_controller instanceof $class ) ) {
    			return null;
    		}

    		return $this->autosave_rest_controller;
    	}

    	/**
    	 * Returns the default labels for post types.
    	 *
    	 * @since 6.0.0
    	 *
    	 * @return (string|null)[][] The default labels for post types.
    	 */
    	public static function get_default_labels() {
    		if ( ! empty( self::$default_labels ) ) {
    			return self::$default_labels;
    		}

    		self::$default_labels = array(
    			'name'                     => array( _x( 'Posts', 'post type general name' ), _x( 'Pages', 'post type general name' ) ),
    			'singular_name'            => array( _x( 'Post', 'post type singular name' ), _x( 'Page', 'post type singular name' ) ),
    			'add_new'                  => array( __( 'Add' ), __( 'Add' ) ),
    			'add_new_item'             => array( __( 'Add Post' ), __( 'Add Page' ) ),
    			'edit_item'                => array( __( 'Edit Post' ), __( 'Edit Page' ) ),
    			'new_item'                 => array( __( 'New Post' ), __( 'New Page' ) ),
    			'view_item'                => array( __( 'View Post' ), __( 'View Page' ) ),
    			'view_items'               => array( __( 'View Posts' ), __( 'View Pages' ) ),
    			'search_items'             => array( __( 'Search Posts' ), __( 'Search Pages' ) ),
    			'not_found'                => array( __( 'No posts found.' ), __( 'No pages found.' ) ),
    			'not_found_in_trash'       => array( __( 'No posts found in Trash.' ), __( 'No pages found in Trash.' ) ),
    			'parent_item_colon'        => array( null, __( 'Parent Page:' ) ),
    			'all_items'                => array( __( 'All Posts' ), __( 'All Pages' ) ),
    			'archives'                 => array( __( 'Post Archives' ), __( 'Page Archives' ) ),
    			'attributes'               => array( __( 'Post Attributes' ), __( 'Page Attributes' ) ),
    			'insert_into_item'         => array( __( 'Insert into post' ), __( 'Insert into page' ) ),
    			'uploaded_to_this_item'    => array( __( 'Uploaded to this post' ), __( 'Uploaded to this page' ) ),
    			'featured_image'           => array( _x( 'Featured image', 'post' ), _x( 'Featured image', 'page' ) ),
    			'set_featured_image'       => array( _x( 'Set featured image', 'post' ), _x( 'Set featured image', 'page' ) ),
    			'remove_featured_image'    => array( _x( 'Remove featured image', 'post' ), _x( 'Remove featured image', 'page' ) ),
    			'use_featured_image'       => array( _x( 'Use as featured image', 'post' ), _x( 'Use as featured image', 'page' ) ),
    			'filter_items_list'        => array( __( 'Filter posts list' ), __( 'Filter pages list' ) ),
    			'filter_by_date'           => array( __( 'Filter by date' ), __( 'Filter by date' ) ),
    			'items_list_navigation'    => array( __( 'Posts list navigation' ), __( 'Pages list navigation' ) ),
    			'items_list'               => array( __( 'Posts list' ), __( 'Pages list' ) ),
    			'item_published'           => array( __( 'Post published.' ), __( 'Page published.' ) ),
    			'item_published_privately' => array( __( 'Post published privately.' ), __( 'Page published privately.' ) ),
    			'item_reverted_to_draft'   => array( __( 'Post reverted to draft.' ), __( 'Page reverted to draft.' ) ),
    			'item_trashed'             => array( __( 'Post trashed.' ), __( 'Page trashed.' ) ),
    			'item_scheduled'           => array( __( 'Post scheduled.' ), __( 'Page scheduled.' ) ),
    			'item_updated'             => array( __( 'Post updated.' ), __( 'Page updated.' ) ),
    			'item_link'                => array(
    				_x( 'Post Link', 'navigation link block title' ),
    				_x( 'Page Link', 'navigation link block title' ),
    			),
    			'item_link_description'    => array(
    				_x( 'A link to a post.', 'navigation link block description' ),
    				_x( 'A link to a page.', 'navigation link block description' ),
    			),
    		);

    		return self::$default_labels;
    	}

    	/**
    	 * Resets the cache for the default labels.
    	 *
    	 * @since 6.0.0
    	 */
    	public static function reset_default_labels() {
    		self::$default_labels = array();
    	}
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-post-type.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.1/src/wp-includes/class-wp-post-type.php#L17)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/class-wp-post-type.php#L17-L1039)

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/WP_Post_Type/?output_format=md#changelog)󠁿

| Version | Description | 
| [4.6.0](https://developer.wordpress.org/reference/since/4.6.0/) | Introduced. |

## User Contributed Notes

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