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/wp-includes/ -> class-wp-post-type.php (source)

   1  <?php
   2  /**
   3   * Post API: WP_Post_Type class
   4   *
   5   * @package WordPress
   6   * @subpackage Post
   7   * @since 4.6.0
   8   */
   9  
  10  /**
  11   * Core class used for interacting with post types.
  12   *
  13   * @since 4.6.0
  14   *
  15   * @see register_post_type()
  16   */
  17  #[AllowDynamicProperties]
  18  final class WP_Post_Type {
  19      /**
  20       * Post type key.
  21       *
  22       * @since 4.6.0
  23       * @var string $name
  24       */
  25      public $name;
  26  
  27      /**
  28       * Name of the post type shown in the menu. Usually plural.
  29       *
  30       * @since 4.6.0
  31       * @var string $label
  32       */
  33      public $label;
  34  
  35      /**
  36       * Labels object for this post type.
  37       *
  38       * If not set, post labels are inherited for non-hierarchical types
  39       * and page labels for hierarchical ones.
  40       *
  41       * @see get_post_type_labels()
  42       *
  43       * @since 4.6.0
  44       * @var stdClass $labels
  45       */
  46      public $labels;
  47  
  48      /**
  49       * Default labels.
  50       *
  51       * @since 6.0.0
  52       * @var (string|null)[][] $default_labels
  53       */
  54      protected static $default_labels = array();
  55  
  56      /**
  57       * A short descriptive summary of what the post type is.
  58       *
  59       * Default empty.
  60       *
  61       * @since 4.6.0
  62       * @var string $description
  63       */
  64      public $description = '';
  65  
  66      /**
  67       * Whether a post type is intended for use publicly either via the admin interface or by front-end users.
  68       *
  69       * While the default settings of $exclude_from_search, $publicly_queryable, $show_ui, and $show_in_nav_menus
  70       * are inherited from public, each does not rely on this relationship and controls a very specific intention.
  71       *
  72       * Default false.
  73       *
  74       * @since 4.6.0
  75       * @var bool $public
  76       */
  77      public $public = false;
  78  
  79      /**
  80       * Whether the post type is hierarchical (e.g. page).
  81       *
  82       * Default false.
  83       *
  84       * @since 4.6.0
  85       * @var bool $hierarchical
  86       */
  87      public $hierarchical = false;
  88  
  89      /**
  90       * Whether to exclude posts with this post type from front end search
  91       * results.
  92       *
  93       * Default is the opposite value of $public.
  94       *
  95       * @since 4.6.0
  96       * @var bool $exclude_from_search
  97       */
  98      public $exclude_from_search = null;
  99  
 100      /**
 101       * Whether queries can be performed on the front end for the post type as part of `parse_request()`.
 102       *
 103       * Endpoints would include:
 104       *
 105       * - `?post_type={post_type_key}`
 106       * - `?{post_type_key}={single_post_slug}`
 107       * - `?{post_type_query_var}={single_post_slug}`
 108       *
 109       * Default is the value of $public.
 110       *
 111       * @since 4.6.0
 112       * @var bool $publicly_queryable
 113       */
 114      public $publicly_queryable = null;
 115  
 116      /**
 117       * Whether to generate and allow a UI for managing this post type in the admin.
 118       *
 119       * Default is the value of $public.
 120       *
 121       * @since 4.6.0
 122       * @var bool $show_ui
 123       */
 124      public $show_ui = null;
 125  
 126      /**
 127       * Where to show the post type in the admin menu.
 128       *
 129       * 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
 130       * shown. If a string of an existing top level menu ('tools.php' or 'edit.php?post_type=page', for example), the
 131       * post type will be placed as a sub-menu of that.
 132       *
 133       * Default is the value of $show_ui.
 134       *
 135       * @since 4.6.0
 136       * @var bool|string $show_in_menu
 137       */
 138      public $show_in_menu = null;
 139  
 140      /**
 141       * Makes this post type available for selection in navigation menus.
 142       *
 143       * Default is the value $public.
 144       *
 145       * @since 4.6.0
 146       * @var bool $show_in_nav_menus
 147       */
 148      public $show_in_nav_menus = null;
 149  
 150      /**
 151       * Makes this post type available via the admin bar.
 152       *
 153       * Default is the value of $show_in_menu.
 154       *
 155       * @since 4.6.0
 156       * @var bool $show_in_admin_bar
 157       */
 158      public $show_in_admin_bar = null;
 159  
 160      /**
 161       * The position in the menu order the post type should appear.
 162       *
 163       * To work, $show_in_menu must be true. Default null (at the bottom).
 164       *
 165       * @since 4.6.0
 166       * @var int $menu_position
 167       */
 168      public $menu_position = null;
 169  
 170      /**
 171       * The URL or reference to the icon to be used for this menu.
 172       *
 173       * Pass a base64-encoded SVG using a data URI, which will be colored to match the color scheme.
 174       * This should begin with 'data:image/svg+xml;base64,'. Pass the name of a Dashicons helper class
 175       * to use a font icon, e.g. 'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty
 176       * so an icon can be added via CSS.
 177       *
 178       * Defaults to use the posts icon.
 179       *
 180       * @since 4.6.0
 181       * @var string $menu_icon
 182       */
 183      public $menu_icon = null;
 184  
 185      /**
 186       * The string to use to build the read, edit, and delete capabilities.
 187       *
 188       * May be passed as an array to allow for alternative plurals when using
 189       * this argument as a base to construct the capabilities, e.g.
 190       * array( 'story', 'stories' ). Default 'post'.
 191       *
 192       * @since 4.6.0
 193       * @var string $capability_type
 194       */
 195      public $capability_type = 'post';
 196  
 197      /**
 198       * Whether to use the internal default meta capability handling.
 199       *
 200       * Default false.
 201       *
 202       * @since 4.6.0
 203       * @var bool $map_meta_cap
 204       */
 205      public $map_meta_cap = false;
 206  
 207      /**
 208       * Provide a callback function that sets up the meta boxes for the edit form.
 209       *
 210       * Do `remove_meta_box()` and `add_meta_box()` calls in the callback. Default null.
 211       *
 212       * @since 4.6.0
 213       * @var callable $register_meta_box_cb
 214       */
 215      public $register_meta_box_cb = null;
 216  
 217      /**
 218       * An array of taxonomy identifiers that will be registered for the post type.
 219       *
 220       * Taxonomies can be registered later with `register_taxonomy()` or `register_taxonomy_for_object_type()`.
 221       *
 222       * Default empty array.
 223       *
 224       * @since 4.6.0
 225       * @var string[] $taxonomies
 226       */
 227      public $taxonomies = array();
 228  
 229      /**
 230       * Whether there should be post type archives, or if a string, the archive slug to use.
 231       *
 232       * Will generate the proper rewrite rules if $rewrite is enabled. Default false.
 233       *
 234       * @since 4.6.0
 235       * @var bool|string $has_archive
 236       */
 237      public $has_archive = false;
 238  
 239      /**
 240       * Sets the query_var key for this post type.
 241       *
 242       * Defaults to $post_type key. If false, a post type cannot be loaded at `?{query_var}={post_slug}`.
 243       * If specified as a string, the query `?{query_var_string}={post_slug}` will be valid.
 244       *
 245       * @since 4.6.0
 246       * @var string|bool $query_var
 247       */
 248      public $query_var;
 249  
 250      /**
 251       * Whether to allow this post type to be exported.
 252       *
 253       * Default true.
 254       *
 255       * @since 4.6.0
 256       * @var bool $can_export
 257       */
 258      public $can_export = true;
 259  
 260      /**
 261       * Whether to delete posts of this type when deleting a user.
 262       *
 263       * - If true, posts of this type belonging to the user will be moved to Trash when the user is deleted.
 264       * - If false, posts of this type belonging to the user will *not* be trashed or deleted.
 265       * - If not set (the default), posts are trashed if post type supports the 'author' feature.
 266       *   Otherwise posts are not trashed or deleted.
 267       *
 268       * Default null.
 269       *
 270       * @since 4.6.0
 271       * @var bool $delete_with_user
 272       */
 273      public $delete_with_user = null;
 274  
 275      /**
 276       * Array of blocks to use as the default initial state for an editor session.
 277       *
 278       * Each item should be an array containing block name and optional attributes.
 279       *
 280       * Default empty array.
 281       *
 282       * @link https://developer.wordpress.org/block-editor/developers/block-api/block-templates/
 283       *
 284       * @since 5.0.0
 285       * @var array[] $template
 286       */
 287      public $template = array();
 288  
 289      /**
 290       * Whether the block template should be locked if $template is set.
 291       *
 292       * - If set to 'all', the user is unable to insert new blocks, move existing blocks
 293       *   and delete blocks.
 294       * - If set to 'insert', the user is able to move existing blocks but is unable to insert
 295       *   new blocks and delete blocks.
 296       *
 297       * Default false.
 298       *
 299       * @link https://developer.wordpress.org/block-editor/developers/block-api/block-templates/
 300       *
 301       * @since 5.0.0
 302       * @var string|false $template_lock
 303       */
 304      public $template_lock = false;
 305  
 306      /**
 307       * Whether this post type is a native or "built-in" post_type.
 308       *
 309       * Default false.
 310       *
 311       * @since 4.6.0
 312       * @var bool $_builtin
 313       */
 314      public $_builtin = false;
 315  
 316      /**
 317       * URL segment to use for edit link of this post type.
 318       *
 319       * Default 'post.php?post=%d'.
 320       *
 321       * @since 4.6.0
 322       * @var string $_edit_link
 323       */
 324      public $_edit_link = 'post.php?post=%d';
 325  
 326      /**
 327       * Post type capabilities.
 328       *
 329       * @since 4.6.0
 330       * @var stdClass $cap
 331       */
 332      public $cap;
 333  
 334      /**
 335       * Triggers the handling of rewrites for this post type.
 336       *
 337       * Defaults to true, using $post_type as slug.
 338       *
 339       * @since 4.6.0
 340       * @var array|false $rewrite
 341       */
 342      public $rewrite;
 343  
 344      /**
 345       * The features supported by the post type.
 346       *
 347       * @since 4.6.0
 348       * @var array|bool $supports
 349       */
 350      public $supports;
 351  
 352      /**
 353       * Whether this post type should appear in the REST API.
 354       *
 355       * Default false. If true, standard endpoints will be registered with
 356       * respect to $rest_base and $rest_controller_class.
 357       *
 358       * @since 4.7.4
 359       * @var bool $show_in_rest
 360       */
 361      public $show_in_rest;
 362  
 363      /**
 364       * The base path for this post type's REST API endpoints.
 365       *
 366       * @since 4.7.4
 367       * @var string|bool $rest_base
 368       */
 369      public $rest_base;
 370  
 371      /**
 372       * The namespace for this post type's REST API endpoints.
 373       *
 374       * @since 5.9.0
 375       * @var string|bool $rest_namespace
 376       */
 377      public $rest_namespace;
 378  
 379      /**
 380       * The controller for this post type's REST API endpoints.
 381       *
 382       * Custom controllers must extend WP_REST_Controller.
 383       *
 384       * @since 4.7.4
 385       * @var string|bool $rest_controller_class
 386       */
 387      public $rest_controller_class;
 388  
 389      /**
 390       * The controller instance for this post type's REST API endpoints.
 391       *
 392       * Lazily computed. Should be accessed using {@see WP_Post_Type::get_rest_controller()}.
 393       *
 394       * @since 5.3.0
 395       * @var WP_REST_Controller $rest_controller
 396       */
 397      public $rest_controller;
 398  
 399      /**
 400       * Constructor.
 401       *
 402       * See the register_post_type() function for accepted arguments for `$args`.
 403       *
 404       * Will populate object properties from the provided arguments and assign other
 405       * default properties based on that information.
 406       *
 407       * @since 4.6.0
 408       *
 409       * @see register_post_type()
 410       *
 411       * @param string       $post_type Post type key.
 412       * @param array|string $args      Optional. Array or string of arguments for registering a post type.
 413       *                                See register_post_type() for information on accepted arguments.
 414       *                                Default empty array.
 415       */
 416  	public function __construct( $post_type, $args = array() ) {
 417          $this->name = $post_type;
 418  
 419          $this->set_props( $args );
 420      }
 421  
 422      /**
 423       * Sets post type properties.
 424       *
 425       * See the register_post_type() function for accepted arguments for `$args`.
 426       *
 427       * @since 4.6.0
 428       *
 429       * @param array|string $args Array or string of arguments for registering a post type.
 430       */
 431  	public function set_props( $args ) {
 432          $args = wp_parse_args( $args );
 433  
 434          /**
 435           * Filters the arguments for registering a post type.
 436           *
 437           * @since 4.4.0
 438           *
 439           * @param array  $args      Array of arguments for registering a post type.
 440           *                          See the register_post_type() function for accepted arguments.
 441           * @param string $post_type Post type key.
 442           */
 443          $args = apply_filters( 'register_post_type_args', $args, $this->name );
 444  
 445          $post_type = $this->name;
 446  
 447          /**
 448           * Filters the arguments for registering a specific post type.
 449           *
 450           * The dynamic portion of the filter name, `$post_type`, refers to the post type key.
 451           *
 452           * Possible hook names include:
 453           *
 454           *  - `register_post_post_type_args`
 455           *  - `register_page_post_type_args`
 456           *
 457           * @since 6.0.0
 458           *
 459           * @param array  $args      Array of arguments for registering a post type.
 460           *                          See the register_post_type() function for accepted arguments.
 461           * @param string $post_type Post type key.
 462           */
 463          $args = apply_filters( "register_{$post_type}_post_type_args", $args, $this->name );
 464  
 465          $has_edit_link = ! empty( $args['_edit_link'] );
 466  
 467          // Args prefixed with an underscore are reserved for internal use.
 468          $defaults = array(
 469              'labels'                => array(),
 470              'description'           => '',
 471              'public'                => false,
 472              'hierarchical'          => false,
 473              'exclude_from_search'   => null,
 474              'publicly_queryable'    => null,
 475              'show_ui'               => null,
 476              'show_in_menu'          => null,
 477              'show_in_nav_menus'     => null,
 478              'show_in_admin_bar'     => null,
 479              'menu_position'         => null,
 480              'menu_icon'             => null,
 481              'capability_type'       => 'post',
 482              'capabilities'          => array(),
 483              'map_meta_cap'          => null,
 484              'supports'              => array(),
 485              'register_meta_box_cb'  => null,
 486              'taxonomies'            => array(),
 487              'has_archive'           => false,
 488              'rewrite'               => true,
 489              'query_var'             => true,
 490              'can_export'            => true,
 491              'delete_with_user'      => null,
 492              'show_in_rest'          => false,
 493              'rest_base'             => false,
 494              'rest_namespace'        => false,
 495              'rest_controller_class' => false,
 496              'template'              => array(),
 497              'template_lock'         => false,
 498              '_builtin'              => false,
 499              '_edit_link'            => 'post.php?post=%d',
 500          );
 501  
 502          $args = array_merge( $defaults, $args );
 503  
 504          $args['name'] = $this->name;
 505  
 506          // If not set, default to the setting for 'public'.
 507          if ( null === $args['publicly_queryable'] ) {
 508              $args['publicly_queryable'] = $args['public'];
 509          }
 510  
 511          // If not set, default to the setting for 'public'.
 512          if ( null === $args['show_ui'] ) {
 513              $args['show_ui'] = $args['public'];
 514          }
 515  
 516          // If not set, default rest_namespace to wp/v2 if show_in_rest is true.
 517          if ( false === $args['rest_namespace'] && ! empty( $args['show_in_rest'] ) ) {
 518              $args['rest_namespace'] = 'wp/v2';
 519          }
 520  
 521          // If not set, default to the setting for 'show_ui'.
 522          if ( null === $args['show_in_menu'] || ! $args['show_ui'] ) {
 523              $args['show_in_menu'] = $args['show_ui'];
 524          }
 525  
 526          // If not set, default to the setting for 'show_in_menu'.
 527          if ( null === $args['show_in_admin_bar'] ) {
 528              $args['show_in_admin_bar'] = (bool) $args['show_in_menu'];
 529          }
 530  
 531          // If not set, default to the setting for 'public'.
 532          if ( null === $args['show_in_nav_menus'] ) {
 533              $args['show_in_nav_menus'] = $args['public'];
 534          }
 535  
 536          // If not set, default to true if not public, false if public.
 537          if ( null === $args['exclude_from_search'] ) {
 538              $args['exclude_from_search'] = ! $args['public'];
 539          }
 540  
 541          // Back compat with quirky handling in version 3.0. #14122.
 542          if ( empty( $args['capabilities'] )
 543              && null === $args['map_meta_cap'] && in_array( $args['capability_type'], array( 'post', 'page' ), true )
 544          ) {
 545              $args['map_meta_cap'] = true;
 546          }
 547  
 548          // If not set, default to false.
 549          if ( null === $args['map_meta_cap'] ) {
 550              $args['map_meta_cap'] = false;
 551          }
 552  
 553          // If there's no specified edit link and no UI, remove the edit link.
 554          if ( ! $args['show_ui'] && ! $has_edit_link ) {
 555              $args['_edit_link'] = '';
 556          }
 557  
 558          $this->cap = get_post_type_capabilities( (object) $args );
 559          unset( $args['capabilities'] );
 560  
 561          if ( is_array( $args['capability_type'] ) ) {
 562              $args['capability_type'] = $args['capability_type'][0];
 563          }
 564  
 565          if ( false !== $args['query_var'] ) {
 566              if ( true === $args['query_var'] ) {
 567                  $args['query_var'] = $this->name;
 568              } else {
 569                  $args['query_var'] = sanitize_title_with_dashes( $args['query_var'] );
 570              }
 571          }
 572  
 573          if ( false !== $args['rewrite'] && ( is_admin() || get_option( 'permalink_structure' ) ) ) {
 574              if ( ! is_array( $args['rewrite'] ) ) {
 575                  $args['rewrite'] = array();
 576              }
 577              if ( empty( $args['rewrite']['slug'] ) ) {
 578                  $args['rewrite']['slug'] = $this->name;
 579              }
 580              if ( ! isset( $args['rewrite']['with_front'] ) ) {
 581                  $args['rewrite']['with_front'] = true;
 582              }
 583              if ( ! isset( $args['rewrite']['pages'] ) ) {
 584                  $args['rewrite']['pages'] = true;
 585              }
 586              if ( ! isset( $args['rewrite']['feeds'] ) || ! $args['has_archive'] ) {
 587                  $args['rewrite']['feeds'] = (bool) $args['has_archive'];
 588              }
 589              if ( ! isset( $args['rewrite']['ep_mask'] ) ) {
 590                  if ( isset( $args['permalink_epmask'] ) ) {
 591                      $args['rewrite']['ep_mask'] = $args['permalink_epmask'];
 592                  } else {
 593                      $args['rewrite']['ep_mask'] = EP_PERMALINK;
 594                  }
 595              }
 596          }
 597  
 598          foreach ( $args as $property_name => $property_value ) {
 599              $this->$property_name = $property_value;
 600          }
 601  
 602          $this->labels = get_post_type_labels( $this );
 603          $this->label  = $this->labels->name;
 604      }
 605  
 606      /**
 607       * Sets the features support for the post type.
 608       *
 609       * @since 4.6.0
 610       */
 611  	public function add_supports() {
 612          if ( ! empty( $this->supports ) ) {
 613              foreach ( $this->supports as $feature => $args ) {
 614                  if ( is_array( $args ) ) {
 615                      add_post_type_support( $this->name, $feature, $args );
 616                  } else {
 617                      add_post_type_support( $this->name, $args );
 618                  }
 619              }
 620              unset( $this->supports );
 621          } elseif ( false !== $this->supports ) {
 622              // Add default features.
 623              add_post_type_support( $this->name, array( 'title', 'editor' ) );
 624          }
 625      }
 626  
 627      /**
 628       * Adds the necessary rewrite rules for the post type.
 629       *
 630       * @since 4.6.0
 631       *
 632       * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 633       * @global WP         $wp         Current WordPress environment instance.
 634       */
 635  	public function add_rewrite_rules() {
 636          global $wp_rewrite, $wp;
 637  
 638          if ( false !== $this->query_var && $wp && is_post_type_viewable( $this ) ) {
 639              $wp->add_query_var( $this->query_var );
 640          }
 641  
 642          if ( false !== $this->rewrite && ( is_admin() || get_option( 'permalink_structure' ) ) ) {
 643              if ( $this->hierarchical ) {
 644                  add_rewrite_tag( "%$this->name%", '(.+?)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&pagename=" );
 645              } else {
 646                  add_rewrite_tag( "%$this->name%", '([^/]+)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&name=" );
 647              }
 648  
 649              if ( $this->has_archive ) {
 650                  $archive_slug = true === $this->has_archive ? $this->rewrite['slug'] : $this->has_archive;
 651                  if ( $this->rewrite['with_front'] ) {
 652                      $archive_slug = substr( $wp_rewrite->front, 1 ) . $archive_slug;
 653                  } else {
 654                      $archive_slug = $wp_rewrite->root . $archive_slug;
 655                  }
 656  
 657                  add_rewrite_rule( "{$archive_slug}/?$", "index.php?post_type=$this->name", 'top' );
 658                  if ( $this->rewrite['feeds'] && $wp_rewrite->feeds ) {
 659                      $feeds = '(' . trim( implode( '|', $wp_rewrite->feeds ) ) . ')';
 660                      add_rewrite_rule( "{$archive_slug}/feed/$feeds/?$", "index.php?post_type=$this->name" . '&feed=$matches[1]', 'top' );
 661                      add_rewrite_rule( "{$archive_slug}/$feeds/?$", "index.php?post_type=$this->name" . '&feed=$matches[1]', 'top' );
 662                  }
 663                  if ( $this->rewrite['pages'] ) {
 664                      add_rewrite_rule( "{$archive_slug}/{$wp_rewrite->pagination_base}/([0-9]{1,})/?$", "index.php?post_type=$this->name" . '&paged=$matches[1]', 'top' );
 665                  }
 666              }
 667  
 668              $permastruct_args         = $this->rewrite;
 669              $permastruct_args['feed'] = $permastruct_args['feeds'];
 670              add_permastruct( $this->name, "{$this->rewrite['slug']}/%$this->name%", $permastruct_args );
 671          }
 672      }
 673  
 674      /**
 675       * Registers the post type meta box if a custom callback was specified.
 676       *
 677       * @since 4.6.0
 678       */
 679  	public function register_meta_boxes() {
 680          if ( $this->register_meta_box_cb ) {
 681              add_action( 'add_meta_boxes_' . $this->name, $this->register_meta_box_cb, 10, 1 );
 682          }
 683      }
 684  
 685      /**
 686       * Adds the future post hook action for the post type.
 687       *
 688       * @since 4.6.0
 689       */
 690  	public function add_hooks() {
 691          add_action( 'future_' . $this->name, '_future_post_hook', 5, 2 );
 692      }
 693  
 694      /**
 695       * Registers the taxonomies for the post type.
 696       *
 697       * @since 4.6.0
 698       */
 699  	public function register_taxonomies() {
 700          foreach ( $this->taxonomies as $taxonomy ) {
 701              register_taxonomy_for_object_type( $taxonomy, $this->name );
 702          }
 703      }
 704  
 705      /**
 706       * Removes the features support for the post type.
 707       *
 708       * @since 4.6.0
 709       *
 710       * @global array $_wp_post_type_features Post type features.
 711       */
 712  	public function remove_supports() {
 713          global $_wp_post_type_features;
 714  
 715          unset( $_wp_post_type_features[ $this->name ] );
 716      }
 717  
 718      /**
 719       * Removes any rewrite rules, permastructs, and rules for the post type.
 720       *
 721       * @since 4.6.0
 722       *
 723       * @global WP_Rewrite $wp_rewrite          WordPress rewrite component.
 724       * @global WP         $wp                  Current WordPress environment instance.
 725       * @global array      $post_type_meta_caps Used to remove meta capabilities.
 726       */
 727  	public function remove_rewrite_rules() {
 728          global $wp, $wp_rewrite, $post_type_meta_caps;
 729  
 730          // Remove query var.
 731          if ( false !== $this->query_var ) {
 732              $wp->remove_query_var( $this->query_var );
 733          }
 734  
 735          // Remove any rewrite rules, permastructs, and rules.
 736          if ( false !== $this->rewrite ) {
 737              remove_rewrite_tag( "%$this->name%" );
 738              remove_permastruct( $this->name );
 739              foreach ( $wp_rewrite->extra_rules_top as $regex => $query ) {
 740                  if ( false !== strpos( $query, "index.php?post_type=$this->name" ) ) {
 741                      unset( $wp_rewrite->extra_rules_top[ $regex ] );
 742                  }
 743              }
 744          }
 745  
 746          // Remove registered custom meta capabilities.
 747          foreach ( $this->cap as $cap ) {
 748              unset( $post_type_meta_caps[ $cap ] );
 749          }
 750      }
 751  
 752      /**
 753       * Unregisters the post type meta box if a custom callback was specified.
 754       *
 755       * @since 4.6.0
 756       */
 757  	public function unregister_meta_boxes() {
 758          if ( $this->register_meta_box_cb ) {
 759              remove_action( 'add_meta_boxes_' . $this->name, $this->register_meta_box_cb, 10 );
 760          }
 761      }
 762  
 763      /**
 764       * Removes the post type from all taxonomies.
 765       *
 766       * @since 4.6.0
 767       */
 768  	public function unregister_taxonomies() {
 769          foreach ( get_object_taxonomies( $this->name ) as $taxonomy ) {
 770              unregister_taxonomy_for_object_type( $taxonomy, $this->name );
 771          }
 772      }
 773  
 774      /**
 775       * Removes the future post hook action for the post type.
 776       *
 777       * @since 4.6.0
 778       */
 779  	public function remove_hooks() {
 780          remove_action( 'future_' . $this->name, '_future_post_hook', 5 );
 781      }
 782  
 783      /**
 784       * Gets the REST API controller for this post type.
 785       *
 786       * Will only instantiate the controller class once per request.
 787       *
 788       * @since 5.3.0
 789       *
 790       * @return WP_REST_Controller|null The controller instance, or null if the post type
 791       *                                 is set not to show in rest.
 792       */
 793  	public function get_rest_controller() {
 794          if ( ! $this->show_in_rest ) {
 795              return null;
 796          }
 797  
 798          $class = $this->rest_controller_class ? $this->rest_controller_class : WP_REST_Posts_Controller::class;
 799  
 800          if ( ! class_exists( $class ) ) {
 801              return null;
 802          }
 803  
 804          if ( ! is_subclass_of( $class, WP_REST_Controller::class ) ) {
 805              return null;
 806          }
 807  
 808          if ( ! $this->rest_controller ) {
 809              $this->rest_controller = new $class( $this->name );
 810          }
 811  
 812          if ( ! ( $this->rest_controller instanceof $class ) ) {
 813              return null;
 814          }
 815  
 816          return $this->rest_controller;
 817      }
 818  
 819      /**
 820       * Returns the default labels for post types.
 821       *
 822       * @since 6.0.0
 823       *
 824       * @return (string|null)[][] The default labels for post types.
 825       */
 826  	public static function get_default_labels() {
 827          if ( ! empty( self::$default_labels ) ) {
 828              return self::$default_labels;
 829          }
 830  
 831          self::$default_labels = array(
 832              'name'                     => array( _x( 'Posts', 'post type general name' ), _x( 'Pages', 'post type general name' ) ),
 833              'singular_name'            => array( _x( 'Post', 'post type singular name' ), _x( 'Page', 'post type singular name' ) ),
 834              'add_new'                  => array( _x( 'Add New', 'post' ), _x( 'Add New', 'page' ) ),
 835              'add_new_item'             => array( __( 'Add New Post' ), __( 'Add New Page' ) ),
 836              'edit_item'                => array( __( 'Edit Post' ), __( 'Edit Page' ) ),
 837              'new_item'                 => array( __( 'New Post' ), __( 'New Page' ) ),
 838              'view_item'                => array( __( 'View Post' ), __( 'View Page' ) ),
 839              'view_items'               => array( __( 'View Posts' ), __( 'View Pages' ) ),
 840              'search_items'             => array( __( 'Search Posts' ), __( 'Search Pages' ) ),
 841              'not_found'                => array( __( 'No posts found.' ), __( 'No pages found.' ) ),
 842              'not_found_in_trash'       => array( __( 'No posts found in Trash.' ), __( 'No pages found in Trash.' ) ),
 843              'parent_item_colon'        => array( null, __( 'Parent Page:' ) ),
 844              'all_items'                => array( __( 'All Posts' ), __( 'All Pages' ) ),
 845              'archives'                 => array( __( 'Post Archives' ), __( 'Page Archives' ) ),
 846              'attributes'               => array( __( 'Post Attributes' ), __( 'Page Attributes' ) ),
 847              'insert_into_item'         => array( __( 'Insert into post' ), __( 'Insert into page' ) ),
 848              'uploaded_to_this_item'    => array( __( 'Uploaded to this post' ), __( 'Uploaded to this page' ) ),
 849              'featured_image'           => array( _x( 'Featured image', 'post' ), _x( 'Featured image', 'page' ) ),
 850              'set_featured_image'       => array( _x( 'Set featured image', 'post' ), _x( 'Set featured image', 'page' ) ),
 851              'remove_featured_image'    => array( _x( 'Remove featured image', 'post' ), _x( 'Remove featured image', 'page' ) ),
 852              'use_featured_image'       => array( _x( 'Use as featured image', 'post' ), _x( 'Use as featured image', 'page' ) ),
 853              'filter_items_list'        => array( __( 'Filter posts list' ), __( 'Filter pages list' ) ),
 854              'filter_by_date'           => array( __( 'Filter by date' ), __( 'Filter by date' ) ),
 855              'items_list_navigation'    => array( __( 'Posts list navigation' ), __( 'Pages list navigation' ) ),
 856              'items_list'               => array( __( 'Posts list' ), __( 'Pages list' ) ),
 857              'item_published'           => array( __( 'Post published.' ), __( 'Page published.' ) ),
 858              'item_published_privately' => array( __( 'Post published privately.' ), __( 'Page published privately.' ) ),
 859              'item_reverted_to_draft'   => array( __( 'Post reverted to draft.' ), __( 'Page reverted to draft.' ) ),
 860              'item_scheduled'           => array( __( 'Post scheduled.' ), __( 'Page scheduled.' ) ),
 861              'item_updated'             => array( __( 'Post updated.' ), __( 'Page updated.' ) ),
 862              'item_link'                => array(
 863                  _x( 'Post Link', 'navigation link block title' ),
 864                  _x( 'Page Link', 'navigation link block title' ),
 865              ),
 866              'item_link_description'    => array(
 867                  _x( 'A link to a post.', 'navigation link block description' ),
 868                  _x( 'A link to a page.', 'navigation link block description' ),
 869              ),
 870          );
 871  
 872          return self::$default_labels;
 873      }
 874  
 875      /**
 876       * Resets the cache for the default labels.
 877       *
 878       * @since 6.0.0
 879       */
 880  	public static function reset_default_labels() {
 881          self::$default_labels = array();
 882      }
 883  }


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