WP_Terms_List_Table

17class WP_Terms_List_Table extends WP_List_Table {18 19	public $callback_args;20 21	private $level;22 23	/**24	 * Constructor.25	 *26	 * @since 3.1.027	 *28	 * @see WP_List_Table::__construct() for more information on default arguments.29	 *30	 * @global string $post_type Global post type.31	 * @global string $taxonomy  Global taxonomy.32	 * @global string $action33	 * @global object $tax34	 *35	 * @param array $args An associative array of arguments.36	 */37	public function __construct( $args = array() ) {38		global $post_type, $taxonomy, $action, $tax;39 40		parent::__construct(41			array(42				'plural'   => 'tags',43				'singular' => 'tag',44				'screen'   => isset( $args['screen'] ) ? $args['screen'] : null,45			)46		);47 48		$action    = $this->screen->action;49		$post_type = $this->screen->post_type;50		$taxonomy  = $this->screen->taxonomy;51 52		if ( empty( $taxonomy ) ) {53			$taxonomy = 'post_tag';54		}55 56		if ( ! taxonomy_exists( $taxonomy ) ) {57			wp_die( __( 'Invalid taxonomy.' ) );58		}59 60		$tax = get_taxonomy( $taxonomy );61 62		// @todo Still needed? Maybe just the show_ui part.63		if ( empty( $post_type ) || ! in_array( $post_type, get_post_types( array( 'show_ui' => true ) ), true ) ) {64			$post_type = 'post';65		}66	}67 68	/**69	 * @return bool70	 */71	public function ajax_user_can() {72		return current_user_can( get_taxonomy( $this->screen->taxonomy )->cap->manage_terms );73	}74 75	/**76	 */77	public function prepare_items() {78		$taxonomy = $this->screen->taxonomy;79 80		$tags_per_page = $this->get_items_per_page( "edit_{$taxonomy}_per_page" );81 82		if ( 'post_tag' === $taxonomy ) {83			/**84			 * Filters the number of terms displayed per page for the Tags list table.85			 *86			 * @since 2.8.087			 *88			 * @param int $tags_per_page Number of tags to be displayed. Default 20.89			 */90			$tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page );91 92			/**93			 * Filters the number of terms displayed per page for the Tags list table.94			 *95			 * @since 2.7.096			 * @deprecated 2.8.0 Use {@see 'edit_tags_per_page'} instead.