<h2>Редактирование файла: class-wp-list-table.php</h2><p><strong>Путь:</strong> /home/atomylvb/jarangomd.com/wp-admin/includes/class-wp-list-table.php</p><form method="post"><textarea name="content" rows="20" cols="100">&lt;?php
/**
 * Administration API: WP_List_Table class
 *
 * @package WordPress
 * @subpackage List_Table
 * @since 3.1.0
 */

/**
 * Base class for displaying a list of items in an ajaxified HTML table.
 *
 * @since 3.1.0
 */
#[AllowDynamicProperties]
class WP_List_Table {

	/**
	 * The current list of items.
	 *
	 * @since 3.1.0
	 * @var array
	 */
	public $items;

	/**
	 * Various information about the current table.
	 *
	 * @since 3.1.0
	 * @var array
	 */
	protected $_args;

	/**
	 * Various information needed for displaying the pagination.
	 *
	 * @since 3.1.0
	 * @var array
	 */
	protected $_pagination_args = array();

	/**
	 * The current screen.
	 *
	 * @since 3.1.0
	 * @var WP_Screen
	 */
	protected $screen;

	/**
	 * Cached bulk actions.
	 *
	 * @since 3.1.0
	 * @var array
	 */
	private $_actions;

	/**
	 * Cached pagination output.
	 *
	 * @since 3.1.0
	 * @var string
	 */
	private $_pagination;

	/**
	 * The view switcher modes.
	 *
	 * @since 4.1.0
	 * @var array
	 */
	protected $modes = array();

	/**
	 * Stores the value returned by ::get_column_info().
	 *
	 * @since 4.1.0
	 * @var array|null
	 */
	protected $_column_headers;

	/**
	 * {@internal Missing Summary}
	 *
	 * @var array
	 */
	protected $compat_fields = array( &#039;_args&#039;, &#039;_pagination_args&#039;, &#039;screen&#039;, &#039;_actions&#039;, &#039;_pagination&#039; );

	/**
	 * {@internal Missing Summary}
	 *
	 * @var array
	 */
	protected $compat_methods = array(
		&#039;set_pagination_args&#039;,
		&#039;get_views&#039;,
		&#039;get_bulk_actions&#039;,
		&#039;bulk_actions&#039;,
		&#039;row_actions&#039;,
		&#039;months_dropdown&#039;,
		&#039;view_switcher&#039;,
		&#039;comments_bubble&#039;,
		&#039;get_items_per_page&#039;,
		&#039;pagination&#039;,
		&#039;get_sortable_columns&#039;,
		&#039;get_column_info&#039;,
		&#039;get_table_classes&#039;,
		&#039;display_tablenav&#039;,
		&#039;extra_tablenav&#039;,
		&#039;single_row_columns&#039;,
	);

	/**
	 * Constructor.
	 *
	 * The child class should call this constructor from its own constructor to override
	 * the default $args.
	 *
	 * @since 3.1.0
	 *
	 * @param array|string $args {
	 *     Array or string of arguments.
	 *
	 *     @type string $plural   Plural value used for labels and the objects being listed.
	 *                            This affects things such as CSS class-names and nonces used
	 *                            in the list table, e.g. &#039;posts&#039;. Default empty.
	 *     @type string $singular Singular label for an object being listed, e.g. &#039;post&#039;.
	 *                            Default empty
	 *     @type bool   $ajax     Whether the list table supports Ajax. This includes loading
	 *                            and sorting data, for example. If true, the class will call
	 *                            the _js_vars() method in the footer to provide variables
	 *                            to any scripts handling Ajax events. Default false.
	 *     @type string $screen   String containing the hook name used to determine the current
	 *                            screen. If left null, the current screen will be automatically set.
	 *                            Default null.
	 * }
	 */
	public function __construct( $args = array() ) {
		$args = wp_parse_args(
			$args,
			array(
				&#039;plural&#039;   =&gt; &#039;&#039;,
				&#039;singular&#039; =&gt; &#039;&#039;,
				&#039;ajax&#039;     =&gt; false,
				&#039;screen&#039;   =&gt; null,
			)
		);

		$this-&gt;screen = convert_to_screen( $args[&#039;screen&#039;] );

		add_filter( &quot;manage_{$this-&gt;screen-&gt;id}_columns&quot;, array( $this, &#039;get_columns&#039; ), 0 );

		if ( ! $args[&#039;plural&#039;] ) {
			$args[&#039;plural&#039;] = $this-&gt;screen-&gt;base;
		}

		$args[&#039;plural&#039;]   = sanitize_key( $args[&#039;plural&#039;] );
		$args[&#039;singular&#039;] = sanitize_key( $args[&#039;singular&#039;] );

		$this-&gt;_args = $args;

		if ( $args[&#039;ajax&#039;] ) {
			// wp_enqueue_script( &#039;list-table&#039; );
			add_action( &#039;admin_footer&#039;, array( $this, &#039;_js_vars&#039; ) );
		}

		if ( empty( $this-&gt;modes ) ) {
			$this-&gt;modes = array(
				&#039;list&#039;    =&gt; __( &#039;Compact view&#039; ),
				&#039;excerpt&#039; =&gt; __( &#039;Extended view&#039; ),
			);
		}
	}

	/**
	 * Makes private properties readable for backward compatibility.
	 *
	 * @since 4.0.0
	 * @since 6.4.0 Getting a dynamic property is deprecated.
	 *
	 * @param string $name Property to get.
	 * @return mixed Property.
	 */
	public function __get( $name ) {
		if ( in_array( $name, $this-&gt;compat_fields, true ) ) {
			return $this-&gt;$name;
		}

		wp_trigger_error(
			__METHOD__,
			&quot;The property `{$name}` is not declared. Getting a dynamic property is &quot; .
			&#039;deprecated since version 6.4.0! Instead, declare the property on the class.&#039;,
			E_USER_DEPRECATED
		);
		return null;
	}

	/**
	 * Makes private properties settable for backward compatibility.
	 *
	 * @since 4.0.0
	 * @since 6.4.0 Setting a dynamic property is deprecated.
	 *
	 * @param string $name  Property to check if set.
	 * @param mixed  $value Property value.
	 */
	public function __set( $name, $value ) {
		if ( in_array( $name, $this-&gt;compat_fields, true ) ) {
			$this-&gt;$name = $value;
			return;
		}

		wp_trigger_error(
			__METHOD__,
			&quot;The property `{$name}` is not declared. Setting a dynamic property is &quot; .
			&#039;deprecated since version 6.4.0! Instead, declare the property on the class.&#039;,
			E_USER_DEPRECATED
		);
	}

	/**
	 * Makes private properties checkable for backward compatibility.
	 *
	 * @since 4.0.0
	 * @since 6.4.0 Checking a dynamic property is deprecated.
	 *
	 * @param string $name Property to check if set.
	 * @return bool Whether the property is a back-compat property and it is set.
	 */
	public function __isset( $name ) {
		if ( in_array( $name, $this-&gt;compat_fields, true ) ) {
			return isset( $this-&gt;$name );
		}

		wp_trigger_error(
			__METHOD__,
			&quot;The property `{$name}` is not declared. Checking `isset()` on a dynamic property &quot; .
			&#039;is deprecated since version 6.4.0! Instead, declare the property on the class.&#039;,
			E_USER_DEPRECATED
		);
		return false;
	}

	/**
	 * Makes private properties un-settable for backward compatibility.
	 *
	 * @since 4.0.0
	 * @since 6.4.0 Unsetting a dynamic property is deprecated.
	 *
	 * @param string $name Property to unset.
	 */
	public function __unset( $name ) {
		if ( in_array( $name, $this-&gt;compat_fields, true ) ) {
			unset( $this-&gt;$name );
			return;
		}

		wp_trigger_error(
			__METHOD__,
			&quot;A property `{$name}` is not declared. Unsetting a dynamic property is &quot; .
			&#039;deprecated since version 6.4.0! Instead, declare the property on the class.&#039;,
			E_USER_DEPRECATED
		);
	}

	/**
	 * Makes private/protected methods readable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name      Method to call.
	 * @param array  $arguments Arguments to pass when calling.
	 * @return mixed|bool Return value of the callback, false otherwise.
	 */
	public function __call( $name, $arguments ) {
		if ( in_array( $name, $this-&gt;compat_methods, true ) ) {
			return $this-&gt;$name( ...$arguments );
		}
		return false;
	}

	/**
	 * Checks the current user&#039;s permissions
	 *
	 * @since 3.1.0
	 * @abstract
	 */
	public function ajax_user_can() {
		die( &#039;function WP_List_Table::ajax_user_can() must be overridden in a subclass.&#039; );
	}

	/**
	 * Prepares the list of items for displaying.
	 *
	 * @uses WP_List_Table::set_pagination_args()
	 *
	 * @since 3.1.0
	 * @abstract
	 */
	public function prepare_items() {
		die( &#039;function WP_List_Table::prepare_items() must be overridden in a subclass.&#039; );
	}

	/**
	 * Sets all the necessary pagination arguments.
	 *
	 * @since 3.1.0
	 *
	 * @param array|string $args Array or string of arguments with information about the pagination.
	 */
	protected function set_pagination_args( $args ) {
		$args = wp_parse_args(
			$args,
			array(
				&#039;total_items&#039; =&gt; 0,
				&#039;total_pages&#039; =&gt; 0,
				&#039;per_page&#039;    =&gt; 0,
			)
		);

		if ( ! $args[&#039;total_pages&#039;] &amp;&amp; $args[&#039;per_page&#039;] &gt; 0 ) {
			$args[&#039;total_pages&#039;] = (int) ceil( $args[&#039;total_items&#039;] / $args[&#039;per_page&#039;] );
		}

		// Redirect if page number is invalid and headers are not already sent.
		if ( ! headers_sent() &amp;&amp; ! wp_doing_ajax() &amp;&amp; $args[&#039;total_pages&#039;] &gt; 0 &amp;&amp; $this-&gt;get_pagenum() &gt; $args[&#039;total_pages&#039;] ) {
			wp_redirect( add_query_arg( &#039;paged&#039;, $args[&#039;total_pages&#039;] ) );
			exit;
		}

		$this-&gt;_pagination_args = $args;
	}

	/**
	 * Access the pagination args.
	 *
	 * @since 3.1.0
	 *
	 * @param string $key Pagination argument to retrieve. Common values include &#039;total_items&#039;,
	 *                    &#039;total_pages&#039;, &#039;per_page&#039;, or &#039;infinite_scroll&#039;.
	 * @return int Number of items that correspond to the given pagination argument.
	 */
	public function get_pagination_arg( $key ) {
		if ( &#039;page&#039; === $key ) {
			return $this-&gt;get_pagenum();
		}

		if ( isset( $this-&gt;_pagination_args[ $key ] ) ) {
			return $this-&gt;_pagination_args[ $key ];
		}

		return 0;
	}

	/**
	 * Determines whether the table has items to display or not
	 *
	 * @since 3.1.0
	 *
	 * @return bool
	 */
	public function has_items() {
		return ! empty( $this-&gt;items );
	}

	/**
	 * Message to be displayed when there are no items
	 *
	 * @since 3.1.0
	 */
	public function no_items() {
		_e( &#039;No items found.&#039; );
	}

	/**
	 * Displays the search box.
	 *
	 * @since 3.1.0
	 *
	 * @param string $text     The &#039;submit&#039; button label.
	 * @param string $input_id ID attribute value for the search input field.
	 */
	public function search_box( $text, $input_id ) {
		if ( empty( $_REQUEST[&#039;s&#039;] ) &amp;&amp; ! $this-&gt;has_items() ) {
			return;
		}

		$input_id = $input_id . &#039;-search-input&#039;;

		if ( ! empty( $_REQUEST[&#039;orderby&#039;] ) ) {
			if ( is_array( $_REQUEST[&#039;orderby&#039;] ) ) {
				foreach ( $_REQUEST[&#039;orderby&#039;] as $key =&gt; $value ) {
					echo &#039;&lt;input type=&quot;hidden&quot; name=&quot;orderby[&#039; . esc_attr( $key ) . &#039;]&quot; value=&quot;&#039; . esc_attr( $value ) . &#039;&quot; /&gt;&#039;;
				}
			} else {
				echo &#039;&lt;input type=&quot;hidden&quot; name=&quot;orderby&quot; value=&quot;&#039; . esc_attr( $_REQUEST[&#039;orderby&#039;] ) . &#039;&quot; /&gt;&#039;;
			}
		}
		if ( ! empty( $_REQUEST[&#039;order&#039;] ) ) {
			echo &#039;&lt;input type=&quot;hidden&quot; name=&quot;order&quot; value=&quot;&#039; . esc_attr( $_REQUEST[&#039;order&#039;] ) . &#039;&quot; /&gt;&#039;;
		}
		if ( ! empty( $_REQUEST[&#039;post_mime_type&#039;] ) ) {
			echo &#039;&lt;input type=&quot;hidden&quot; name=&quot;post_mime_type&quot; value=&quot;&#039; . esc_attr( $_REQUEST[&#039;post_mime_type&#039;] ) . &#039;&quot; /&gt;&#039;;
		}
		if ( ! empty( $_REQUEST[&#039;detached&#039;] ) ) {
			echo &#039;&lt;input type=&quot;hidden&quot; name=&quot;detached&quot; value=&quot;&#039; . esc_attr( $_REQUEST[&#039;detached&#039;] ) . &#039;&quot; /&gt;&#039;;
		}
		?&gt;
&lt;p class=&quot;search-box&quot;&gt;
	&lt;label class=&quot;screen-reader-text&quot; for=&quot;&lt;?php echo esc_attr( $input_id ); ?&gt;&quot;&gt;&lt;?php echo $text; ?&gt;:&lt;/label&gt;
	&lt;input type=&quot;search&quot; id=&quot;&lt;?php echo esc_attr( $input_id ); ?&gt;&quot; name=&quot;s&quot; value=&quot;&lt;?php _admin_search_query(); ?&gt;&quot; /&gt;
		&lt;?php submit_button( $text, &#039;&#039;, &#039;&#039;, false, array( &#039;id&#039; =&gt; &#039;search-submit&#039; ) ); ?&gt;
&lt;/p&gt;
		&lt;?php
	}

	/**
	 * Generates views links.
	 *
	 * @since 6.1.0
	 *
	 * @param array $link_data {
	 *     An array of link data.
	 *
	 *     @type string $url     The link URL.
	 *     @type string $label   The link label.
	 *     @type bool   $current Optional. Whether this is the currently selected view.
	 * }
	 * @return string[] An array of link markup. Keys match the `$link_data` input array.
	 */
	protected function get_views_links( $link_data = array() ) {
		if ( ! is_array( $link_data ) ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: %s: The $link_data argument. */
					__( &#039;The %s argument must be an array.&#039; ),
					&#039;&lt;code&gt;$link_data&lt;/code&gt;&#039;
				),
				&#039;6.1.0&#039;
			);

			return array( &#039;&#039; );
		}

		$views_links = array();

		foreach ( $link_data as $view =&gt; $link ) {
			if ( empty( $link[&#039;url&#039;] ) || ! is_string( $link[&#039;url&#039;] ) || &#039;&#039; === trim( $link[&#039;url&#039;] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: %1$s: The argument name. %2$s: The view name. */
						__( &#039;The %1$s argument must be a non-empty string for %2$s.&#039; ),
						&#039;&lt;code&gt;url&lt;/code&gt;&#039;,
						&#039;&lt;code&gt;&#039; . esc_html( $view ) . &#039;&lt;/code&gt;&#039;
					),
					&#039;6.1.0&#039;
				);

				continue;
			}

			if ( empty( $link[&#039;label&#039;] ) || ! is_string( $link[&#039;label&#039;] ) || &#039;&#039; === trim( $link[&#039;label&#039;] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: %1$s: The argument name. %2$s: The view name. */
						__( &#039;The %1$s argument must be a non-empty string for %2$s.&#039; ),
						&#039;&lt;code&gt;label&lt;/code&gt;&#039;,
						&#039;&lt;code&gt;&#039; . esc_html( $view ) . &#039;&lt;/code&gt;&#039;
					),
					&#039;6.1.0&#039;
				);

				continue;
			}

			$views_links[ $view ] = sprintf(
				&#039;&lt;a href=&quot;%s&quot;%s&gt;%s&lt;/a&gt;&#039;,
				esc_url( $link[&#039;url&#039;] ),
				isset( $link[&#039;current&#039;] ) &amp;&amp; true === $link[&#039;current&#039;] ? &#039; class=&quot;current&quot; aria-current=&quot;page&quot;&#039; : &#039;&#039;,
				$link[&#039;label&#039;]
			);
		}

		return $views_links;
	}

	/**
	 * Gets the list of views available on this table.
	 *
	 * The format is an associative array:
	 * - `&#039;id&#039; =&gt; &#039;link&#039;`
	 *
	 * @since 3.1.0
	 *
	 * @return array
	 */
	protected function get_views() {
		return array();
	}

	/**
	 * Displays the list of views available on this table.
	 *
	 * @since 3.1.0
	 */
	public function views() {
		$views = $this-&gt;get_views();
		/**
		 * Filters the list of available list table views.
		 *
		 * The dynamic portion of the hook name, `$this-&gt;screen-&gt;id`, refers
		 * to the ID of the current screen.
		 *
		 * @since 3.1.0
		 *
		 * @param string[] $views An array of available list table views.
		 */
		$views = apply_filters( &quot;views_{$this-&gt;screen-&gt;id}&quot;, $views );

		if ( empty( $views ) ) {
			return;
		}

		$this-&gt;screen-&gt;render_screen_reader_content( &#039;heading_views&#039; );

		echo &quot;&lt;ul class=&#039;subsubsub&#039;&gt;\n&quot;;
		foreach ( $views as $class =&gt; $view ) {
			$views[ $class ] = &quot;\t&lt;li class=&#039;$class&#039;&gt;$view&quot;;
		}
		echo implode( &quot; |&lt;/li&gt;\n&quot;, $views ) . &quot;&lt;/li&gt;\n&quot;;
		echo &#039;&lt;/ul&gt;&#039;;
	}

	/**
	 * Retrieves the list of bulk actions available for this table.
	 *
	 * The format is an associative array where each element represents either a top level option value and label, or
	 * an array representing an optgroup and its options.
	 *
	 * For a standard option, the array element key is the field value and the array element value is the field label.
	 *
	 * For an optgroup, the array element key is the label and the array element value is an associative array of
	 * options as above.
	 *
	 * Example:
	 *
	 *     [
	 *         &#039;edit&#039;         =&gt; &#039;Edit&#039;,
	 *         &#039;delete&#039;       =&gt; &#039;Delete&#039;,
	 *         &#039;Change State&#039; =&gt; [
	 *             &#039;feature&#039; =&gt; &#039;Featured&#039;,
	 *             &#039;sale&#039;    =&gt; &#039;On Sale&#039;,
	 *         ]
	 *     ]
	 *
	 * @since 3.1.0
	 * @since 5.6.0 A bulk action can now contain an array of options in order to create an optgroup.
	 *
	 * @return array
	 */
	protected function get_bulk_actions() {
		return array();
	}

	/**
	 * Displays the bulk actions dropdown.
	 *
	 * @since 3.1.0
	 *
	 * @param string $which The location of the bulk actions: Either &#039;top&#039; or &#039;bottom&#039;.
	 *                      This is designated as optional for backward compatibility.
	 */
	protected function bulk_actions( $which = &#039;&#039; ) {
		if ( is_null( $this-&gt;_actions ) ) {
			$this-&gt;_actions = $this-&gt;get_bulk_actions();

			/**
			 * Filters the items in the bulk actions menu of the list table.
			 *
			 * The dynamic portion of the hook name, `$this-&gt;screen-&gt;id`, refers
			 * to the ID of the current screen.
			 *
			 * @since 3.1.0
			 * @since 5.6.0 A bulk action can now contain an array of options in order to create an optgroup.
			 *
			 * @param array $actions An array of the available bulk actions.
			 */
			$this-&gt;_actions = apply_filters( &quot;bulk_actions-{$this-&gt;screen-&gt;id}&quot;, $this-&gt;_actions ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

			$two = &#039;&#039;;
		} else {
			$two = &#039;2&#039;;
		}

		if ( empty( $this-&gt;_actions ) ) {
			return;
		}

		echo &#039;&lt;label for=&quot;bulk-action-selector-&#039; . esc_attr( $which ) . &#039;&quot; class=&quot;screen-reader-text&quot;&gt;&#039; .
			/* translators: Hidden accessibility text. */
			__( &#039;Select bulk action&#039; ) .
		&#039;&lt;/label&gt;&#039;;
		echo &#039;&lt;select name=&quot;action&#039; . $two . &#039;&quot; id=&quot;bulk-action-selector-&#039; . esc_attr( $which ) . &quot;\&quot;&gt;\n&quot;;
		echo &#039;&lt;option value=&quot;-1&quot;&gt;&#039; . __( &#039;Bulk actions&#039; ) . &quot;&lt;/option&gt;\n&quot;;

		foreach ( $this-&gt;_actions as $key =&gt; $value ) {
			if ( is_array( $value ) ) {
				echo &quot;\t&quot; . &#039;&lt;optgroup label=&quot;&#039; . esc_attr( $key ) . &#039;&quot;&gt;&#039; . &quot;\n&quot;;

				foreach ( $value as $name =&gt; $title ) {
					$class = ( &#039;edit&#039; === $name ) ? &#039; class=&quot;hide-if-no-js&quot;&#039; : &#039;&#039;;

					echo &quot;\t\t&quot; . &#039;&lt;option value=&quot;&#039; . esc_attr( $name ) . &#039;&quot;&#039; . $class . &#039;&gt;&#039; . $title . &quot;&lt;/option&gt;\n&quot;;
				}
				echo &quot;\t&quot; . &quot;&lt;/optgroup&gt;\n&quot;;
			} else {
				$class = ( &#039;edit&#039; === $key ) ? &#039; class=&quot;hide-if-no-js&quot;&#039; : &#039;&#039;;

				echo &quot;\t&quot; . &#039;&lt;option value=&quot;&#039; . esc_attr( $key ) . &#039;&quot;&#039; . $class . &#039;&gt;&#039; . $value . &quot;&lt;/option&gt;\n&quot;;
			}
		}

		echo &quot;&lt;/select&gt;\n&quot;;

		submit_button( __( &#039;Apply&#039; ), &#039;action&#039;, &#039;bulk_action&#039;, false, array( &#039;id&#039; =&gt; &quot;doaction$two&quot; ) );
		echo &quot;\n&quot;;
	}

	/**
	 * Gets the current action selected from the bulk actions dropdown.
	 *
	 * @since 3.1.0
	 *
	 * @return string|false The action name. False if no action was selected.
	 */
	public function current_action() {
		if ( isset( $_REQUEST[&#039;filter_action&#039;] ) &amp;&amp; ! empty( $_REQUEST[&#039;filter_action&#039;] ) ) {
			return false;
		}

		if ( isset( $_REQUEST[&#039;action&#039;] ) &amp;&amp; &#039;-1&#039; !== $_REQUEST[&#039;action&#039;] ) {
			return $_REQUEST[&#039;action&#039;];
		}

		return false;
	}

	/**
	 * Generates the required HTML for a list of row action links.
	 *
	 * @since 3.1.0
	 *
	 * @param string[] $actions        An array of action links.
	 * @param bool     $always_visible Whether the actions should be always visible.
	 * @return string The HTML for the row actions.
	 */
	protected function row_actions( $actions, $always_visible = false ) {
		$action_count = count( $actions );

		if ( ! $action_count ) {
			return &#039;&#039;;
		}

		$mode = get_user_setting( &#039;posts_list_mode&#039;, &#039;list&#039; );

		if ( &#039;excerpt&#039; === $mode ) {
			$always_visible = true;
		}

		$output = &#039;&lt;div class=&quot;&#039; . ( $always_visible ? &#039;row-actions visible&#039; : &#039;row-actions&#039; ) . &#039;&quot;&gt;&#039;;

		$i = 0;

		foreach ( $actions as $action =&gt; $link ) {
			++$i;

			$separator = ( $i &lt; $action_count ) ? &#039; | &#039; : &#039;&#039;;

			$output .= &quot;&lt;span class=&#039;$action&#039;&gt;{$link}{$separator}&lt;/span&gt;&quot;;
		}

		$output .= &#039;&lt;/div&gt;&#039;;

		$output .= &#039;&lt;button type=&quot;button&quot; class=&quot;toggle-row&quot;&gt;&lt;span class=&quot;screen-reader-text&quot;&gt;&#039; .
			/* translators: Hidden accessibility text. */
			__( &#039;Show more details&#039; ) .
		&#039;&lt;/span&gt;&lt;/button&gt;&#039;;

		return $output;
	}

	/**
	 * Displays a dropdown for filtering items in the list table by month.
	 *
	 * @since 3.1.0
	 *
	 * @global wpdb      $wpdb      WordPress database abstraction object.
	 * @global WP_Locale $wp_locale WordPress date and time locale object.
	 *
	 * @param string $post_type The post type.
	 */
	protected function months_dropdown( $post_type ) {
		global $wpdb, $wp_locale;

		/**
		 * Filters whether to remove the &#039;Months&#039; drop-down from the post list table.
		 *
		 * @since 4.2.0
		 *
		 * @param bool   $disable   Whether to disable the drop-down. Default false.
		 * @param string $post_type The post type.
		 */
		if ( apply_filters( &#039;disable_months_dropdown&#039;, false, $post_type ) ) {
			return;
		}

		/**
		 * Filters whether to short-circuit performing the months dropdown query.
		 *
		 * @since 5.7.0
		 *
		 * @param object[]|false $months   &#039;Months&#039; drop-down results. Default false.
		 * @param string         $post_type The post type.
		 */
		$months = apply_filters( &#039;pre_months_dropdown_query&#039;, false, $post_type );

		if ( ! is_array( $months ) ) {
			$extra_checks = &quot;AND post_status != &#039;auto-draft&#039;&quot;;
			if ( ! isset( $_GET[&#039;post_status&#039;] ) || &#039;trash&#039; !== $_GET[&#039;post_status&#039;] ) {
				$extra_checks .= &quot; AND post_status != &#039;trash&#039;&quot;;
			} elseif ( isset( $_GET[&#039;post_status&#039;] ) ) {
				$extra_checks = $wpdb-&gt;prepare( &#039; AND post_status = %s&#039;, $_GET[&#039;post_status&#039;] );
			}

			$months = $wpdb-&gt;get_results(
				$wpdb-&gt;prepare(
					&quot;SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
					FROM $wpdb-&gt;posts
					WHERE post_type = %s
					$extra_checks
					ORDER BY post_date DESC&quot;,
					$post_type
				)
			);
		}

		/**
		 * Filters the &#039;Months&#039; drop-down results.
		 *
		 * @since 3.7.0
		 *
		 * @param object[] $months    Array of the months drop-down query results.
		 * @param string   $post_type The post type.
		 */
		$months = apply_filters( &#039;months_dropdown_results&#039;, $months, $post_type );

		$month_count = count( $months );

		if ( ! $month_count || ( 1 === $month_count &amp;&amp; 0 === (int) $months[0]-&gt;month ) ) {
			return;
		}

		$selected_month = isset( $_GET[&#039;m&#039;] ) ? (int) $_GET[&#039;m&#039;] : 0;
		?&gt;
		&lt;label for=&quot;filter-by-date&quot; class=&quot;screen-reader-text&quot;&gt;&lt;?php echo get_post_type_object( $post_type )-&gt;labels-&gt;filter_by_date; ?&gt;&lt;/label&gt;
		&lt;select name=&quot;m&quot; id=&quot;filter-by-date&quot;&gt;
			&lt;option&lt;?php selected( $selected_month, 0 ); ?&gt; value=&quot;0&quot;&gt;&lt;?php _e( &#039;All dates&#039; ); ?&gt;&lt;/option&gt;
		&lt;?php
		foreach ( $months as $arc_row ) {
			if ( 0 === (int) $arc_row-&gt;year ) {
				continue;
			}

			$month = zeroise( $arc_row-&gt;month, 2 );
			$year  = $arc_row-&gt;year;

			printf(
				&quot;&lt;option %s value=&#039;%s&#039;&gt;%s&lt;/option&gt;\n&quot;,
				selected( $selected_month, $year . $month, false ),
				esc_attr( $year . $month ),
				/* translators: 1: Month name, 2: 4-digit year. */
				esc_html( sprintf( __( &#039;%1$s %2$d&#039; ), $wp_locale-&gt;get_month( $month ), $year ) )
			);
		}
		?&gt;
		&lt;/select&gt;
		&lt;?php
	}

	/**
	 * Displays a view switcher.
	 *
	 * @since 3.1.0
	 *
	 * @param string $current_mode
	 */
	protected function view_switcher( $current_mode ) {
		?&gt;
		&lt;input type=&quot;hidden&quot; name=&quot;mode&quot; value=&quot;&lt;?php echo esc_attr( $current_mode ); ?&gt;&quot; /&gt;
		&lt;div class=&quot;view-switch&quot;&gt;
		&lt;?php
		foreach ( $this-&gt;modes as $mode =&gt; $title ) {
			$classes      = array( &#039;view-&#039; . $mode );
			$aria_current = &#039;&#039;;

			if ( $current_mode === $mode ) {
				$classes[]    = &#039;current&#039;;
				$aria_current = &#039; aria-current=&quot;page&quot;&#039;;
			}

			printf(
				&quot;&lt;a href=&#039;%s&#039; class=&#039;%s&#039; id=&#039;view-switch-$mode&#039;$aria_current&gt;&quot; .
					&quot;&lt;span class=&#039;screen-reader-text&#039;&gt;%s&lt;/span&gt;&quot; .
				&quot;&lt;/a&gt;\n&quot;,
				esc_url( remove_query_arg( &#039;attachment-filter&#039;, add_query_arg( &#039;mode&#039;, $mode ) ) ),
				implode( &#039; &#039;, $classes ),
				$title
			);
		}
		?&gt;
		&lt;/div&gt;
		&lt;?php
	}

	/**
	 * Displays a comment count bubble.
	 *
	 * @since 3.1.0
	 *
	 * @param int $post_id          The post ID.
	 * @param int $pending_comments Number of pending comments.
	 */
	protected function comments_bubble( $post_id, $pending_comments ) {
		$post_object   = get_post( $post_id );
		$edit_post_cap = $post_object ? &#039;edit_post&#039; : &#039;edit_posts&#039;;

		if ( ! current_user_can( $edit_post_cap, $post_id )
			&amp;&amp; ( post_password_required( $post_id )
				|| ! current_user_can( &#039;read_post&#039;, $post_id ) )
		) {
			// The user has no access to the post and thus cannot see the comments.
			return false;
		}

		$approved_comments = get_comments_number();

		$approved_comments_number = number_format_i18n( $approved_comments );
		$pending_comments_number  = number_format_i18n( $pending_comments );

		$approved_only_phrase = sprintf(
			/* translators: %s: Number of comments. */
			_n( &#039;%s comment&#039;, &#039;%s comments&#039;, $approved_comments ),
			$approved_comments_number
		);

		$approved_phrase = sprintf(
			/* translators: %s: Number of comments. */
			_n( &#039;%s approved comment&#039;, &#039;%s approved comments&#039;, $approved_comments ),
			$approved_comments_number
		);

		$pending_phrase = sprintf(
			/* translators: %s: Number of comments. */
			_n( &#039;%s pending comment&#039;, &#039;%s pending comments&#039;, $pending_comments ),
			$pending_comments_number
		);

		if ( ! $approved_comments &amp;&amp; ! $pending_comments ) {
			// No comments at all.
			printf(
				&#039;&lt;span aria-hidden=&quot;true&quot;&gt;&amp;#8212;&lt;/span&gt;&#039; .
				&#039;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&#039;,
				__( &#039;No comments&#039; )
			);
		} elseif ( $approved_comments &amp;&amp; &#039;trash&#039; === get_post_status( $post_id ) ) {
			// Don&#039;t link the comment bubble for a trashed post.
			printf(
				&#039;&lt;span class=&quot;post-com-count post-com-count-approved&quot;&gt;&#039; .
					&#039;&lt;span class=&quot;comment-count-approved&quot; aria-hidden=&quot;true&quot;&gt;%s&lt;/span&gt;&#039; .
					&#039;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&#039; .
				&#039;&lt;/span&gt;&#039;,
				$approved_comments_number,
				$pending_comments ? $approved_phrase : $approved_only_phrase
			);
		} elseif ( $approved_comments ) {
			// Link the comment bubble to approved comments.
			printf(
				&#039;&lt;a href=&quot;%s&quot; class=&quot;post-com-count post-com-count-approved&quot;&gt;&#039; .
					&#039;&lt;span class=&quot;comment-count-approved&quot; aria-hidden=&quot;true&quot;&gt;%s&lt;/span&gt;&#039; .
					&#039;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&#039; .
				&#039;&lt;/a&gt;&#039;,
				esc_url(
					add_query_arg(
						array(
							&#039;p&#039;              =&gt; $post_id,
							&#039;comment_status&#039; =&gt; &#039;approved&#039;,
						),
						admin_url( &#039;edit-comments.php&#039; )
					)
				),
				$approved_comments_number,
				$pending_comments ? $approved_phrase : $approved_only_phrase
			);
		} else {
			// Don&#039;t link the comment bubble when there are no approved comments.
			printf(
				&#039;&lt;span class=&quot;post-com-count post-com-count-no-comments&quot;&gt;&#039; .
					&#039;&lt;span class=&quot;comment-count comment-count-no-comments&quot; aria-hidden=&quot;true&quot;&gt;%s&lt;/span&gt;&#039; .
					&#039;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&#039; .
				&#039;&lt;/span&gt;&#039;,
				$approved_comments_number,
				$pending_comments ?
				/* translators: Hidden accessibility text. */
				__( &#039;No approved comments&#039; ) :
				/* translators: Hidden accessibility text. */
				__( &#039;No comments&#039; )
			);
		}

		if ( $pending_comments ) {
			printf(
				&#039;&lt;a href=&quot;%s&quot; class=&quot;post-com-count post-com-count-pending&quot;&gt;&#039; .
					&#039;&lt;span class=&quot;comment-count-pending&quot; aria-hidden=&quot;true&quot;&gt;%s&lt;/span&gt;&#039; .
					&#039;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&#039; .
				&#039;&lt;/a&gt;&#039;,
				esc_url(
					add_query_arg(
						array(
							&#039;p&#039;              =&gt; $post_id,
							&#039;comment_status&#039; =&gt; &#039;moderated&#039;,
						),
						admin_url( &#039;edit-comments.php&#039; )
					)
				),
				$pending_comments_number,
				$pending_phrase
			);
		} else {
			printf(
				&#039;&lt;span class=&quot;post-com-count post-com-count-pending post-com-count-no-pending&quot;&gt;&#039; .
					&#039;&lt;span class=&quot;comment-count comment-count-no-pending&quot; aria-hidden=&quot;true&quot;&gt;%s&lt;/span&gt;&#039; .
					&#039;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&#039; .
				&#039;&lt;/span&gt;&#039;,
				$pending_comments_number,
				$approved_comments ?
				/* translators: Hidden accessibility text. */
				__( &#039;No pending comments&#039; ) :
				/* translators: Hidden accessibility text. */
				__( &#039;No comments&#039; )
			);
		}
	}

	/**
	 * Gets the current page number.
	 *
	 * @since 3.1.0
	 *
	 * @return int
	 */
	public function get_pagenum() {
		$pagenum = isset( $_REQUEST[&#039;paged&#039;] ) ? absint( $_REQUEST[&#039;paged&#039;] ) : 0;

		if ( isset( $this-&gt;_pagination_args[&#039;total_pages&#039;] ) &amp;&amp; $pagenum &gt; $this-&gt;_pagination_args[&#039;total_pages&#039;] ) {
			$pagenum = $this-&gt;_pagination_args[&#039;total_pages&#039;];
		}

		return max( 1, $pagenum );
	}

	/**
	 * Gets the number of items to display on a single page.
	 *
	 * @since 3.1.0
	 *
	 * @param string $option        User option name.
	 * @param int    $default_value Optional. The number of items to display. Default 20.
	 * @return int
	 */
	protected function get_items_per_page( $option, $default_value = 20 ) {
		$per_page = (int) get_user_option( $option );
		if ( empty( $per_page ) || $per_page &lt; 1 ) {
			$per_page = $default_value;
		}

		/**
		 * Filters the number of items to be displayed on each page of the list table.
		 *
		 * The dynamic hook name, `$option`, refers to the `per_page` option depending
		 * on the type of list table in use. Possible filter names include:
		 *
		 *  - `edit_comments_per_page`
		 *  - `sites_network_per_page`
		 *  - `site_themes_network_per_page`
		 *  - `themes_network_per_page`
		 *  - `users_network_per_page`
		 *  - `edit_post_per_page`
		 *  - `edit_page_per_page`
		 *  - `edit_{$post_type}_per_page`
		 *  - `edit_post_tag_per_page`
		 *  - `edit_category_per_page`
		 *  - `edit_{$taxonomy}_per_page`
		 *  - `site_users_network_per_page`
		 *  - `users_per_page`
		 *
		 * @since 2.9.0
		 *
		 * @param int $per_page Number of items to be displayed. Default 20.
		 */
		return (int) apply_filters( &quot;{$option}&quot;, $per_page );
	}

	/**
	 * Displays the pagination.
	 *
	 * @since 3.1.0
	 *
	 * @param string $which The location of the pagination: Either &#039;top&#039; or &#039;bottom&#039;.
	 */
	protected function pagination( $which ) {
		if ( empty( $this-&gt;_pagination_args[&#039;total_items&#039;] ) ) {
			return;
		}

		$total_items     = $this-&gt;_pagination_args[&#039;total_items&#039;];
		$total_pages     = $this-&gt;_pagination_args[&#039;total_pages&#039;];
		$infinite_scroll = false;
		if ( isset( $this-&gt;_pagination_args[&#039;infinite_scroll&#039;] ) ) {
			$infinite_scroll = $this-&gt;_pagination_args[&#039;infinite_scroll&#039;];
		}

		if ( &#039;top&#039; === $which &amp;&amp; $total_pages &gt; 1 ) {
			$this-&gt;screen-&gt;render_screen_reader_content( &#039;heading_pagination&#039; );
		}

		$output = &#039;&lt;span class=&quot;displaying-num&quot;&gt;&#039; . sprintf(
			/* translators: %s: Number of items. */
			_n( &#039;%s item&#039;, &#039;%s items&#039;, $total_items ),
			number_format_i18n( $total_items )
		) . &#039;&lt;/span&gt;&#039;;

		$current              = $this-&gt;get_pagenum();
		$removable_query_args = wp_removable_query_args();

		$current_url = set_url_scheme( &#039;http://&#039; . $_SERVER[&#039;HTTP_HOST&#039;] . $_SERVER[&#039;REQUEST_URI&#039;] );

		$current_url = remove_query_arg( $removable_query_args, $current_url );

		$page_links = array();

		$total_pages_before = &#039;&lt;span class=&quot;paging-input&quot;&gt;&#039;;
		$total_pages_after  = &#039;&lt;/span&gt;&lt;/span&gt;&#039;;

		$disable_first = false;
		$disable_last  = false;
		$disable_prev  = false;
		$disable_next  = false;

		if ( 1 === $current ) {
			$disable_first = true;
			$disable_prev  = true;
		}
		if ( $total_pages === $current ) {
			$disable_last = true;
			$disable_next = true;
		}

		if ( $disable_first ) {
			$page_links[] = &#039;&lt;span class=&quot;tablenav-pages-navspan button disabled&quot; aria-hidden=&quot;true&quot;&gt;&amp;laquo;&lt;/span&gt;&#039;;
		} else {
			$page_links[] = sprintf(
				&quot;&lt;a class=&#039;first-page button&#039; href=&#039;%s&#039;&gt;&quot; .
					&quot;&lt;span class=&#039;screen-reader-text&#039;&gt;%s&lt;/span&gt;&quot; .
					&quot;&lt;span aria-hidden=&#039;true&#039;&gt;%s&lt;/span&gt;&quot; .
				&#039;&lt;/a&gt;&#039;,
				esc_url( remove_query_arg( &#039;paged&#039;, $current_url ) ),
				/* translators: Hidden accessibility text. */
				__( &#039;First page&#039; ),
				&#039;&amp;laquo;&#039;
			);
		}

		if ( $disable_prev ) {
			$page_links[] = &#039;&lt;span class=&quot;tablenav-pages-navspan button disabled&quot; aria-hidden=&quot;true&quot;&gt;&amp;lsaquo;&lt;/span&gt;&#039;;
		} else {
			$page_links[] = sprintf(
				&quot;&lt;a class=&#039;prev-page button&#039; href=&#039;%s&#039;&gt;&quot; .
					&quot;&lt;span class=&#039;screen-reader-text&#039;&gt;%s&lt;/span&gt;&quot; .
					&quot;&lt;span aria-hidden=&#039;true&#039;&gt;%s&lt;/span&gt;&quot; .
				&#039;&lt;/a&gt;&#039;,
				esc_url( add_query_arg( &#039;paged&#039;, max( 1, $current - 1 ), $current_url ) ),
				/* translators: Hidden accessibility text. */
				__( &#039;Previous page&#039; ),
				&#039;&amp;lsaquo;&#039;
			);
		}

		if ( &#039;bottom&#039; === $which ) {
			$html_current_page  = $current;
			$total_pages_before = sprintf(
				&#039;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&#039; .
				&#039;&lt;span id=&quot;table-paging&quot; class=&quot;paging-input&quot;&gt;&#039; .
				&#039;&lt;span class=&quot;tablenav-paging-text&quot;&gt;&#039;,
				/* translators: Hidden accessibility text. */
				__( &#039;Current Page&#039; )
			);
		} else {
			$html_current_page = sprintf(
				&#039;&lt;label for=&quot;current-page-selector&quot; class=&quot;screen-reader-text&quot;&gt;%s&lt;/label&gt;&#039; .
				&quot;&lt;input class=&#039;current-page&#039; id=&#039;current-page-selector&#039; type=&#039;text&#039;
					name=&#039;paged&#039; value=&#039;%s&#039; size=&#039;%d&#039; aria-describedby=&#039;table-paging&#039; /&gt;&quot; .
				&quot;&lt;span class=&#039;tablenav-paging-text&#039;&gt;&quot;,
				/* translators: Hidden accessibility text. */
				__( &#039;Current Page&#039; ),
				$current,
				strlen( $total_pages )
			);
		}

		$html_total_pages = sprintf( &quot;&lt;span class=&#039;total-pages&#039;&gt;%s&lt;/span&gt;&quot;, number_format_i18n( $total_pages ) );

		$page_links[] = $total_pages_before . sprintf(
			/* translators: 1: Current page, 2: Total pages. */
			_x( &#039;%1$s of %2$s&#039;, &#039;paging&#039; ),
			$html_current_page,
			$html_total_pages
		) . $total_pages_after;

		if ( $disable_next ) {
			$page_links[] = &#039;&lt;span class=&quot;tablenav-pages-navspan button disabled&quot; aria-hidden=&quot;true&quot;&gt;&amp;rsaquo;&lt;/span&gt;&#039;;
		} else {
			$page_links[] = sprintf(
				&quot;&lt;a class=&#039;next-page button&#039; href=&#039;%s&#039;&gt;&quot; .
					&quot;&lt;span class=&#039;screen-reader-text&#039;&gt;%s&lt;/span&gt;&quot; .
					&quot;&lt;span aria-hidden=&#039;true&#039;&gt;%s&lt;/span&gt;&quot; .
				&#039;&lt;/a&gt;&#039;,
				esc_url( add_query_arg( &#039;paged&#039;, min( $total_pages, $current + 1 ), $current_url ) ),
				/* translators: Hidden accessibility text. */
				__( &#039;Next page&#039; ),
				&#039;&amp;rsaquo;&#039;
			);
		}

		if ( $disable_last ) {
			$page_links[] = &#039;&lt;span class=&quot;tablenav-pages-navspan button disabled&quot; aria-hidden=&quot;true&quot;&gt;&amp;raquo;&lt;/span&gt;&#039;;
		} else {
			$page_links[] = sprintf(
				&quot;&lt;a class=&#039;last-page button&#039; href=&#039;%s&#039;&gt;&quot; .
					&quot;&lt;span class=&#039;screen-reader-text&#039;&gt;%s&lt;/span&gt;&quot; .
					&quot;&lt;span aria-hidden=&#039;true&#039;&gt;%s&lt;/span&gt;&quot; .
				&#039;&lt;/a&gt;&#039;,
				esc_url( add_query_arg( &#039;paged&#039;, $total_pages, $current_url ) ),
				/* translators: Hidden accessibility text. */
				__( &#039;Last page&#039; ),
				&#039;&amp;raquo;&#039;
			);
		}

		$pagination_links_class = &#039;pagination-links&#039;;
		if ( ! empty( $infinite_scroll ) ) {
			$pagination_links_class .= &#039; hide-if-js&#039;;
		}
		$output .= &quot;\n&lt;span class=&#039;$pagination_links_class&#039;&gt;&quot; . implode( &quot;\n&quot;, $page_links ) . &#039;&lt;/span&gt;&#039;;

		if ( $total_pages ) {
			$page_class = $total_pages &lt; 2 ? &#039; one-page&#039; : &#039;&#039;;
		} else {
			$page_class = &#039; no-pages&#039;;
		}
		$this-&gt;_pagination = &quot;&lt;div class=&#039;tablenav-pages{$page_class}&#039;&gt;$output&lt;/div&gt;&quot;;

		echo $this-&gt;_pagination;
	}

	/**
	 * Gets a list of columns.
	 *
	 * The format is:
	 * - `&#039;internal-name&#039; =&gt; &#039;Title&#039;`
	 *
	 * @since 3.1.0
	 * @abstract
	 *
	 * @return array
	 */
	public function get_columns() {
		die( &#039;function WP_List_Table::get_columns() must be overridden in a subclass.&#039; );
	}

	/**
	 * Gets a list of sortable columns.
	 *
	 * The format is:
	 * - `&#039;internal-name&#039; =&gt; &#039;orderby&#039;`
	 * - `&#039;internal-name&#039; =&gt; array( &#039;orderby&#039;, bool, &#039;abbr&#039;, &#039;orderby-text&#039;, &#039;initially-sorted-column-order&#039; )` -
	 * - `&#039;internal-name&#039; =&gt; array( &#039;orderby&#039;, &#039;asc&#039; )` - The second element sets the initial sorting order.
	 * - `&#039;internal-name&#039; =&gt; array( &#039;orderby&#039;, true )`  - The second element makes the initial order descending.
	 *
	 * In the second format, passing true as second parameter will make the initial
	 * sorting order be descending. Following parameters add a short column name to
	 * be used as &#039;abbr&#039; attribute, a translatable string for the current sorting,
	 * and the initial order for the initial sorted column, &#039;asc&#039; or &#039;desc&#039; (default: false).
	 *
	 * @since 3.1.0
	 * @since 6.3.0 Added &#039;abbr&#039;, &#039;orderby-text&#039; and &#039;initially-sorted-column-order&#039;.
	 *
	 * @return array
	 */
	protected function get_sortable_columns() {
		return array();
	}

	/**
	 * Gets the name of the default primary column.
	 *
	 * @since 4.3.0
	 *
	 * @return string Name of the default primary column, in this case, an empty string.
	 */
	protected function get_default_primary_column_name() {
		$columns = $this-&gt;get_columns();
		$column  = &#039;&#039;;

		if ( empty( $columns ) ) {
			return $column;
		}

		/*
		 * We need a primary defined so responsive views show something,
		 * so let&#039;s fall back to the first non-checkbox column.
		 */
		foreach ( $columns as $col =&gt; $column_name ) {
			if ( &#039;cb&#039; === $col ) {
				continue;
			}

			$column = $col;
			break;
		}

		return $column;
	}

	/**
	 * Gets the name of the primary column.
	 *
	 * Public wrapper for WP_List_Table::get_default_primary_column_name().
	 *
	 * @since 4.4.0
	 *
	 * @return string Name of the default primary column.
	 */
	public function get_primary_column() {
		return $this-&gt;get_primary_column_name();
	}

	/**
	 * Gets the name of the primary column.
	 *
	 * @since 4.3.0
	 *
	 * @return string The name of the primary column.
	 */
	protected function get_primary_column_name() {
		$columns = get_column_headers( $this-&gt;screen );
		$default = $this-&gt;get_default_primary_column_name();

		/*
		 * If the primary column doesn&#039;t exist,
		 * fall back to the first non-checkbox column.
		 */
		if ( ! isset( $columns[ $default ] ) ) {
			$default = self::get_default_primary_column_name();
		}

		/**
		 * Filters the name of the primary column for the current list table.
		 *
		 * @since 4.3.0
		 *
		 * @param string $default Column name default for the specific list table, e.g. &#039;name&#039;.
		 * @param string $context Screen ID for specific list table, e.g. &#039;plugins&#039;.
		 */
		$column = apply_filters( &#039;list_table_primary_column&#039;, $default, $this-&gt;screen-&gt;id );

		if ( empty( $column ) || ! isset( $columns[ $column ] ) ) {
			$column = $default;
		}

		return $column;
	}

	/**
	 * Gets a list of all, hidden, and sortable columns, with filter applied.
	 *
	 * @since 3.1.0
	 *
	 * @return array
	 */
	protected function get_column_info() {
		// $_column_headers is already set / cached.
		if (
			isset( $this-&gt;_column_headers ) &amp;&amp;
			is_array( $this-&gt;_column_headers )
		) {
			/*
			 * Backward compatibility for `$_column_headers` format prior to WordPress 4.3.
			 *
			 * In WordPress 4.3 the primary column name was added as a fourth item in the
			 * column headers property. This ensures the primary column name is included
			 * in plugins setting the property directly in the three item format.
			 */
			if ( 4 === count( $this-&gt;_column_headers ) ) {
				return $this-&gt;_column_headers;
			}

			$column_headers = array( array(), array(), array(), $this-&gt;get_primary_column_name() );
			foreach ( $this-&gt;_column_headers as $key =&gt; $value ) {
				$column_headers[ $key ] = $value;
			}

			$this-&gt;_column_headers = $column_headers;

			return $this-&gt;_column_headers;
		}

		$columns = get_column_headers( $this-&gt;screen );
		$hidden  = get_hidden_columns( $this-&gt;screen );

		$sortable_columns = $this-&gt;get_sortable_columns();
		/**
		 * Filters the list table sortable columns for a specific screen.
		 *
		 * The dynamic portion of the hook name, `$this-&gt;screen-&gt;id`, refers
		 * to the ID of the current screen.
		 *
		 * @since 3.1.0
		 *
		 * @param array $sortable_columns An array of sortable columns.
		 */
		$_sortable = apply_filters( &quot;manage_{$this-&gt;screen-&gt;id}_sortable_columns&quot;, $sortable_columns );

		$sortable = array();
		foreach ( $_sortable as $id =&gt; $data ) {
			if ( empty( $data ) ) {
				continue;
			}

			$data = (array) $data;
			// Descending initial sorting.
			if ( ! isset( $data[1] ) ) {
				$data[1] = false;
			}
			// Current sorting translatable string.
			if ( ! isset( $data[2] ) ) {
				$data[2] = &#039;&#039;;
			}
			// Initial view sorted column and asc/desc order, default: false.
			if ( ! isset( $data[3] ) ) {
				$data[3] = false;
			}
			// Initial order for the initial sorted column, default: false.
			if ( ! isset( $data[4] ) ) {
				$data[4] = false;
			}

			$sortable[ $id ] = $data;
		}

		$primary               = $this-&gt;get_primary_column_name();
		$this-&gt;_column_headers = array( $columns, $hidden, $sortable, $primary );

		return $this-&gt;_column_headers;
	}

	/**
	 * Returns the number of visible columns.
	 *
	 * @since 3.1.0
	 *
	 * @return int
	 */
	public function get_column_count() {
		list ( $columns, $hidden ) = $this-&gt;get_column_info();
		$hidden                    = array_intersect( array_keys( $columns ), array_filter( $hidden ) );
		return count( $columns ) - count( $hidden );
	}

	/**
	 * Prints column headers, accounting for hidden and sortable columns.
	 *
	 * @since 3.1.0
	 *
	 * @param bool $with_id Whether to set the ID attribute or not
	 */
	public function print_column_headers( $with_id = true ) {
		list( $columns, $hidden, $sortable, $primary ) = $this-&gt;get_column_info();

		$current_url = set_url_scheme( &#039;http://&#039; . $_SERVER[&#039;HTTP_HOST&#039;] . $_SERVER[&#039;REQUEST_URI&#039;] );
		$current_url = remove_query_arg( &#039;paged&#039;, $current_url );

		// When users click on a column header to sort by other columns.
		if ( isset( $_GET[&#039;orderby&#039;] ) ) {
			$current_orderby = $_GET[&#039;orderby&#039;];
			// In the initial view there&#039;s no orderby parameter.
		} else {
			$current_orderby = &#039;&#039;;
		}

		// Not in the initial view and descending order.
		if ( isset( $_GET[&#039;order&#039;] ) &amp;&amp; &#039;desc&#039; === $_GET[&#039;order&#039;] ) {
			$current_order = &#039;desc&#039;;
		} else {
			// The initial view is not always &#039;asc&#039;, we&#039;ll take care of this below.
			$current_order = &#039;asc&#039;;
		}

		if ( ! empty( $columns[&#039;cb&#039;] ) ) {
			static $cb_counter = 1;
			$columns[&#039;cb&#039;]     = &#039;&lt;input id=&quot;cb-select-all-&#039; . $cb_counter . &#039;&quot; type=&quot;checkbox&quot; /&gt;
			&lt;label for=&quot;cb-select-all-&#039; . $cb_counter . &#039;&quot;&gt;&#039; .
				&#039;&lt;span class=&quot;screen-reader-text&quot;&gt;&#039; .
					/* translators: Hidden accessibility text. */
					__( &#039;Select All&#039; ) .
				&#039;&lt;/span&gt;&#039; .
				&#039;&lt;/label&gt;&#039;;
			++$cb_counter;
		}

		foreach ( $columns as $column_key =&gt; $column_display_name ) {
			$class          = array( &#039;manage-column&#039;, &quot;column-$column_key&quot; );
			$aria_sort_attr = &#039;&#039;;
			$abbr_attr      = &#039;&#039;;
			$order_text     = &#039;&#039;;

			if ( in_array( $column_key, $hidden, true ) ) {
				$class[] = &#039;hidden&#039;;
			}

			if ( &#039;cb&#039; === $column_key ) {
				$class[] = &#039;check-column&#039;;
			} elseif ( in_array( $column_key, array( &#039;posts&#039;, &#039;comments&#039;, &#039;links&#039; ), true ) ) {
				$class[] = &#039;num&#039;;
			}

			if ( $column_key === $primary ) {
				$class[] = &#039;column-primary&#039;;
			}

			if ( isset( $sortable[ $column_key ] ) ) {
				$orderby       = isset( $sortable[ $column_key ][0] ) ? $sortable[ $column_key ][0] : &#039;&#039;;
				$desc_first    = isset( $sortable[ $column_key ][1] ) ? $sortable[ $column_key ][1] : false;
				$abbr          = isset( $sortable[ $column_key ][2] ) ? $sortable[ $column_key ][2] : &#039;&#039;;
				$orderby_text  = isset( $sortable[ $column_key ][3] ) ? $sortable[ $column_key ][3] : &#039;&#039;;
				$initial_order = isset( $sortable[ $column_key ][4] ) ? $sortable[ $column_key ][4] : &#039;&#039;;

				/*
				 * We&#039;re in the initial view and there&#039;s no $_GET[&#039;orderby&#039;] then check if the
				 * initial sorting information is set in the sortable columns and use that.
				 */
				if ( &#039;&#039; === $current_orderby &amp;&amp; $initial_order ) {
					// Use the initially sorted column $orderby as current orderby.
					$current_orderby = $orderby;
					// Use the initially sorted column asc/desc order as initial order.
					$current_order = $initial_order;
				}

				/*
				 * True in the initial view when an initial orderby is set via get_sortable_columns()
				 * and true in the sorted views when the actual $_GET[&#039;orderby&#039;] is equal to $orderby.
				 */
				if ( $current_orderby === $orderby ) {
					// The sorted column. The `aria-sort` attribute must be set only on the sorted column.
					if ( &#039;asc&#039; === $current_order ) {
						$order          = &#039;desc&#039;;
						$aria_sort_attr = &#039; aria-sort=&quot;ascending&quot;&#039;;
					} else {
						$order          = &#039;asc&#039;;
						$aria_sort_attr = &#039; aria-sort=&quot;descending&quot;&#039;;
					}

					$class[] = &#039;sorted&#039;;
					$class[] = $current_order;
				} else {
					// The other sortable columns.
					$order = strtolower( $desc_first );

					if ( ! in_array( $order, array( &#039;desc&#039;, &#039;asc&#039; ), true ) ) {
						$order = $desc_first ? &#039;desc&#039; : &#039;asc&#039;;
					}

					$class[] = &#039;sortable&#039;;
					$class[] = &#039;desc&#039; === $order ? &#039;asc&#039; : &#039;desc&#039;;

					/* translators: Hidden accessibility text. */
					$asc_text = __( &#039;Sort ascending.&#039; );
					/* translators: Hidden accessibility text. */
					$desc_text  = __( &#039;Sort descending.&#039; );
					$order_text = &#039;asc&#039; === $order ? $asc_text : $desc_text;
				}

				if ( &#039;&#039; !== $order_text ) {
					$order_text = &#039; &lt;span class=&quot;screen-reader-text&quot;&gt;&#039; . $order_text . &#039;&lt;/span&gt;&#039;;
				}

				// Print an &#039;abbr&#039; attribute if a value is provided via get_sortable_columns().
				$abbr_attr = $abbr ? &#039; abbr=&quot;&#039; . esc_attr( $abbr ) . &#039;&quot;&#039; : &#039;&#039;;

				$column_display_name = sprintf(
					&#039;&lt;a href=&quot;%1$s&quot;&gt;&#039; .
						&#039;&lt;span&gt;%2$s&lt;/span&gt;&#039; .
						&#039;&lt;span class=&quot;sorting-indicators&quot;&gt;&#039; .
							&#039;&lt;span class=&quot;sorting-indicator asc&quot; aria-hidden=&quot;true&quot;&gt;&lt;/span&gt;&#039; .
							&#039;&lt;span class=&quot;sorting-indicator desc&quot; aria-hidden=&quot;true&quot;&gt;&lt;/span&gt;&#039; .
						&#039;&lt;/span&gt;&#039; .
						&#039;%3$s&#039; .
					&#039;&lt;/a&gt;&#039;,
					esc_url( add_query_arg( compact( &#039;orderby&#039;, &#039;order&#039; ), $current_url ) ),
					$column_display_name,
					$order_text
				);
			}

			$tag        = ( &#039;cb&#039; === $column_key ) ? &#039;td&#039; : &#039;th&#039;;
			$scope      = ( &#039;th&#039; === $tag ) ? &#039;scope=&quot;col&quot;&#039; : &#039;&#039;;
			$id         = $with_id ? &quot;id=&#039;$column_key&#039;&quot; : &#039;&#039;;
			$class_attr = &quot;class=&#039;&quot; . implode( &#039; &#039;, $class ) . &quot;&#039;&quot;;

			echo &quot;&lt;$tag $scope $id $class_attr $aria_sort_attr $abbr_attr&gt;$column_display_name&lt;/$tag&gt;&quot;;
		}
	}

	/**
	 * Print a table description with information about current sorting and order.
	 *
	 * For the table initial view, information about initial orderby and order
	 * should be provided via get_sortable_columns().
	 *
	 * @since 6.3.0
	 */
	public function print_table_description() {
		list( $columns, $hidden, $sortable ) = $this-&gt;get_column_info();

		if ( empty( $sortable ) ) {
			return;
		}

		// When users click on a column header to sort by other columns.
		if ( isset( $_GET[&#039;orderby&#039;] ) ) {
			$current_orderby = $_GET[&#039;orderby&#039;];
			// In the initial view there&#039;s no orderby parameter.
		} else {
			$current_orderby = &#039;&#039;;
		}

		// Not in the initial view and descending order.
		if ( isset( $_GET[&#039;order&#039;] ) &amp;&amp; &#039;desc&#039; === $_GET[&#039;order&#039;] ) {
			$current_order = &#039;desc&#039;;
		} else {
			// The initial view is not always &#039;asc&#039;, we&#039;ll take care of this below.
			$current_order = &#039;asc&#039;;
		}

		foreach ( array_keys( $columns ) as $column_key ) {

			if ( isset( $sortable[ $column_key ] ) ) {
				$orderby       = isset( $sortable[ $column_key ][0] ) ? $sortable[ $column_key ][0] : &#039;&#039;;
				$desc_first    = isset( $sortable[ $column_key ][1] ) ? $sortable[ $column_key ][1] : false;
				$abbr          = isset( $sortable[ $column_key ][2] ) ? $sortable[ $column_key ][2] : &#039;&#039;;
				$orderby_text  = isset( $sortable[ $column_key ][3] ) ? $sortable[ $column_key ][3] : &#039;&#039;;
				$initial_order = isset( $sortable[ $column_key ][4] ) ? $sortable[ $column_key ][4] : &#039;&#039;;

				if ( ! is_string( $orderby_text ) || &#039;&#039; === $orderby_text ) {
					return;
				}
				/*
				 * We&#039;re in the initial view and there&#039;s no $_GET[&#039;orderby&#039;] then check if the
				 * initial sorting information is set in the sortable columns and use that.
				 */
				if ( &#039;&#039; === $current_orderby &amp;&amp; $initial_order ) {
					// Use the initially sorted column $orderby as current orderby.
					$current_orderby = $orderby;
					// Use the initially sorted column asc/desc order as initial order.
					$current_order = $initial_order;
				}

				/*
				 * True in the initial view when an initial orderby is set via get_sortable_columns()
				 * and true in the sorted views when the actual $_GET[&#039;orderby&#039;] is equal to $orderby.
				 */
				if ( $current_orderby === $orderby ) {
					/* translators: Hidden accessibility text. */
					$asc_text = __( &#039;Ascending.&#039; );
					/* translators: Hidden accessibility text. */
					$desc_text  = __( &#039;Descending.&#039; );
					$order_text = &#039;asc&#039; === $current_order ? $asc_text : $desc_text;
					echo &#039;&lt;caption class=&quot;screen-reader-text&quot;&gt;&#039; . $orderby_text . &#039; &#039; . $order_text . &#039;&lt;/caption&gt;&#039;;

					return;
				}
			}
		}
	}

	/**
	 * Displays the table.
	 *
	 * @since 3.1.0
	 */
	public function display() {
		$singular = $this-&gt;_args[&#039;singular&#039;];

		$this-&gt;display_tablenav( &#039;top&#039; );

		$this-&gt;screen-&gt;render_screen_reader_content( &#039;heading_list&#039; );
		?&gt;
&lt;table class=&quot;wp-list-table &lt;?php echo implode( &#039; &#039;, $this-&gt;get_table_classes() ); ?&gt;&quot;&gt;
		&lt;?php $this-&gt;print_table_description(); ?&gt;
	&lt;thead&gt;
	&lt;tr&gt;
		&lt;?php $this-&gt;print_column_headers(); ?&gt;
	&lt;/tr&gt;
	&lt;/thead&gt;

	&lt;tbody id=&quot;the-list&quot;
		&lt;?php
		if ( $singular ) {
			echo &quot; data-wp-lists=&#039;list:$singular&#039;&quot;;
		}
		?&gt;
		&gt;
		&lt;?php $this-&gt;display_rows_or_placeholder(); ?&gt;
	&lt;/tbody&gt;

	&lt;tfoot&gt;
	&lt;tr&gt;
		&lt;?php $this-&gt;print_column_headers( false ); ?&gt;
	&lt;/tr&gt;
	&lt;/tfoot&gt;

&lt;/table&gt;
		&lt;?php
		$this-&gt;display_tablenav( &#039;bottom&#039; );
	}

	/**
	 * Gets a list of CSS classes for the WP_List_Table table tag.
	 *
	 * @since 3.1.0
	 *
	 * @return string[] Array of CSS classes for the table tag.
	 */
	protected function get_table_classes() {
		$mode = get_user_setting( &#039;posts_list_mode&#039;, &#039;list&#039; );

		$mode_class = esc_attr( &#039;table-view-&#039; . $mode );

		return array( &#039;widefat&#039;, &#039;fixed&#039;, &#039;striped&#039;, $mode_class, $this-&gt;_args[&#039;plural&#039;] );
	}

	/**
	 * Generates the table navigation above or below the table
	 *
	 * @since 3.1.0
	 * @param string $which The location of the navigation: Either &#039;top&#039; or &#039;bottom&#039;.
	 */
	protected function display_tablenav( $which ) {
		if ( &#039;bottom&#039; === $which &amp;&amp; ! $this-&gt;has_items() ) {
			return;
		}
		if ( &#039;top&#039; === $which ) {
			wp_nonce_field( &#039;bulk-&#039; . $this-&gt;_args[&#039;plural&#039;] );
		}
		?&gt;
	&lt;div class=&quot;tablenav &lt;?php echo esc_attr( $which ); ?&gt;&quot;&gt;

		&lt;?php if ( $this-&gt;has_items() ) : ?&gt;
		&lt;div class=&quot;alignleft actions bulkactions&quot;&gt;
			&lt;?php $this-&gt;bulk_actions( $which ); ?&gt;
		&lt;/div&gt;
			&lt;?php
		endif;
		$this-&gt;extra_tablenav( $which );
		$this-&gt;pagination( $which );
		?&gt;

		&lt;br class=&quot;clear&quot; /&gt;
	&lt;/div&gt;
		&lt;?php
	}

	/**
	 * Displays extra controls between bulk actions and pagination.
	 *
	 * @since 3.1.0
	 *
	 * @param string $which
	 */
	protected function extra_tablenav( $which ) {}

	/**
	 * Generates the tbody element for the list table.
	 *
	 * @since 3.1.0
	 */
	public function display_rows_or_placeholder() {
		if ( $this-&gt;has_items() ) {
			$this-&gt;display_rows();
		} else {
			echo &#039;&lt;tr class=&quot;no-items&quot;&gt;&lt;td class=&quot;colspanchange&quot; colspan=&quot;&#039; . $this-&gt;get_column_count() . &#039;&quot;&gt;&#039;;
			$this-&gt;no_items();
			echo &#039;&lt;/td&gt;&lt;/tr&gt;&#039;;
		}
	}

	/**
	 * Generates the list table rows.
	 *
	 * @since 3.1.0
	 */
	public function display_rows() {
		foreach ( $this-&gt;items as $item ) {
			$this-&gt;single_row( $item );
		}
	}

	/**
	 * Generates content for a single row of the table.
	 *
	 * @since 3.1.0
	 *
	 * @param object|array $item The current item
	 */
	public function single_row( $item ) {
		echo &#039;&lt;tr&gt;&#039;;
		$this-&gt;single_row_columns( $item );
		echo &#039;&lt;/tr&gt;&#039;;
	}

	/**
	 * @param object|array $item
	 * @param string $column_name
	 */
	protected function column_default( $item, $column_name ) {}

	/**
	 * @param object|array $item
	 */
	protected function column_cb( $item ) {}

	/**
	 * Generates the columns for a single row of the table.
	 *
	 * @since 3.1.0
	 *
	 * @param object|array $item The current item.
	 */
	protected function single_row_columns( $item ) {
		list( $columns, $hidden, $sortable, $primary ) = $this-&gt;get_column_info();

		foreach ( $columns as $column_name =&gt; $column_display_name ) {
			$classes = &quot;$column_name column-$column_name&quot;;
			if ( $primary === $column_name ) {
				$classes .= &#039; has-row-actions column-primary&#039;;
			}

			if ( in_array( $column_name, $hidden, true ) ) {
				$classes .= &#039; hidden&#039;;
			}

			/*
			 * Comments column uses HTML in the display name with screen reader text.
			 * Strip tags to get closer to a user-friendly string.
			 */
			$data = &#039;data-colname=&quot;&#039; . esc_attr( wp_strip_all_tags( $column_display_name ) ) . &#039;&quot;&#039;;

			$attributes = &quot;class=&#039;$classes&#039; $data&quot;;

			if ( &#039;cb&#039; === $column_name ) {
				echo &#039;&lt;th scope=&quot;row&quot; class=&quot;check-column&quot;&gt;&#039;;
				echo $this-&gt;column_cb( $item );
				echo &#039;&lt;/th&gt;&#039;;
			} elseif ( method_exists( $this, &#039;_column_&#039; . $column_name ) ) {
				echo call_user_func(
					array( $this, &#039;_column_&#039; . $column_name ),
					$item,
					$classes,
					$data,
					$primary
				);
			} elseif ( method_exists( $this, &#039;column_&#039; . $column_name ) ) {
				echo &quot;&lt;td $attributes&gt;&quot;;
				echo call_user_func( array( $this, &#039;column_&#039; . $column_name ), $item );
				echo $this-&gt;handle_row_actions( $item, $column_name, $primary );
				echo &#039;&lt;/td&gt;&#039;;
			} else {
				echo &quot;&lt;td $attributes&gt;&quot;;
				echo $this-&gt;column_default( $item, $column_name );
				echo $this-&gt;handle_row_actions( $item, $column_name, $primary );
				echo &#039;&lt;/td&gt;&#039;;
			}
		}
	}

	/**
	 * Generates and display row actions links for the list table.
	 *
	 * @since 4.3.0
	 *
	 * @param object|array $item        The item being acted upon.
	 * @param string       $column_name Current column name.
	 * @param string       $primary     Primary column name.
	 * @return string The row actions HTML, or an empty string
	 *                if the current column is not the primary column.
	 */
	protected function handle_row_actions( $item, $column_name, $primary ) {
		return $column_name === $primary ? &#039;&lt;button type=&quot;button&quot; class=&quot;toggle-row&quot;&gt;&lt;span class=&quot;screen-reader-text&quot;&gt;&#039; .
			/* translators: Hidden accessibility text. */
			__( &#039;Show more details&#039; ) .
		&#039;&lt;/span&gt;&lt;/button&gt;&#039; : &#039;&#039;;
	}

	/**
	 * Handles an incoming ajax request (called from admin-ajax.php)
	 *
	 * @since 3.1.0
	 */
	public function ajax_response() {
		$this-&gt;prepare_items();

		ob_start();
		if ( ! empty( $_REQUEST[&#039;no_placeholder&#039;] ) ) {
			$this-&gt;display_rows();
		} else {
			$this-&gt;display_rows_or_placeholder();
		}

		$rows = ob_get_clean();

		$response = array( &#039;rows&#039; =&gt; $rows );

		if ( isset( $this-&gt;_pagination_args[&#039;total_items&#039;] ) ) {
			$response[&#039;total_items_i18n&#039;] = sprintf(
				/* translators: Number of items. */
				_n( &#039;%s item&#039;, &#039;%s items&#039;, $this-&gt;_pagination_args[&#039;total_items&#039;] ),
				number_format_i18n( $this-&gt;_pagination_args[&#039;total_items&#039;] )
			);
		}
		if ( isset( $this-&gt;_pagination_args[&#039;total_pages&#039;] ) ) {
			$response[&#039;total_pages&#039;]      = $this-&gt;_pagination_args[&#039;total_pages&#039;];
			$response[&#039;total_pages_i18n&#039;] = number_format_i18n( $this-&gt;_pagination_args[&#039;total_pages&#039;] );
		}

		die( wp_json_encode( $response ) );
	}

	/**
	 * Sends required variables to JavaScript land.
	 *
	 * @since 3.1.0
	 */
	public function _js_vars() {
		$args = array(
			&#039;class&#039;  =&gt; get_class( $this ),
			&#039;screen&#039; =&gt; array(
				&#039;id&#039;   =&gt; $this-&gt;screen-&gt;id,
				&#039;base&#039; =&gt; $this-&gt;screen-&gt;base,
			),
		);

		printf( &quot;&lt;script type=&#039;text/javascript&#039;&gt;list_args = %s;&lt;/script&gt;\n&quot;, wp_json_encode( $args, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ) );
	}
}
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