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wp-admin/includes/list-table.php

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+<?php
+/**
+ * Helper functions for displaying a list of items in an ajaxified HTML table.
+ *
+ * @package WordPress
+ * @subpackage List_Table
+ * @since 3.1.0
+ */
+
+/**
+ * Fetches an instance of a WP_List_Table class.
+ *
+ * @since 3.1.0
+ *
+ * @global string $hook_suffix
+ *
+ * @param string $class_name The type of the list table, which is the class name.
+ * @param array  $args       Optional. Arguments to pass to the class. Accepts 'screen'.
+ * @return WP_List_Table|false List table object on success, false if the class does not exist.
+ */
+function _get_list_table( $class_name, $args = array() ) {
+	$core_classes = array(
+		// Site Admin.
+		'WP_Posts_List_Table'                         => 'posts',
+		'WP_Media_List_Table'                         => 'media',
+		'WP_Terms_List_Table'                         => 'terms',
+		'WP_Users_List_Table'                         => 'users',
+		'WP_Comments_List_Table'                      => 'comments',
+		'WP_Post_Comments_List_Table'                 => array( 'comments', 'post-comments' ),
+		'WP_Links_List_Table'                         => 'links',
+		'WP_Plugin_Install_List_Table'                => 'plugin-install',
+		'WP_Themes_List_Table'                        => 'themes',
+		'WP_Theme_Install_List_Table'                 => array( 'themes', 'theme-install' ),
+		'WP_Plugins_List_Table'                       => 'plugins',
+		'WP_Application_Passwords_List_Table'         => 'application-passwords',
+
+		// Network Admin.
+		'WP_MS_Sites_List_Table'                      => 'ms-sites',
+		'WP_MS_Users_List_Table'                      => 'ms-users',
+		'WP_MS_Themes_List_Table'                     => 'ms-themes',
+
+		// Privacy requests tables.
+		'WP_Privacy_Data_Export_Requests_List_Table'  => 'privacy-data-export-requests',
+		'WP_Privacy_Data_Removal_Requests_List_Table' => 'privacy-data-removal-requests',
+	);
+
+	if ( isset( $core_classes[ $class_name ] ) ) {
+		foreach ( (array) $core_classes[ $class_name ] as $required ) {
+			require_once ABSPATH . 'wp-admin/includes/class-wp-' . $required . '-list-table.php';
+		}
+
+		if ( isset( $args['screen'] ) ) {
+			$args['screen'] = convert_to_screen( $args['screen'] );
+		} elseif ( isset( $GLOBALS['hook_suffix'] ) ) {
+			$args['screen'] = get_current_screen();
+		} else {
+			$args['screen'] = null;
+		}
+
+		/**
+		 * Filters the list table class to instantiate.
+		 *
+		 * @since 6.1.0
+		 *
+		 * @param string $class_name The list table class to use.
+		 * @param array  $args       An array containing _get_list_table() arguments.
+		 */
+		$custom_class_name = apply_filters( 'wp_list_table_class_name', $class_name, $args );
+
+		if ( is_string( $custom_class_name ) && class_exists( $custom_class_name ) ) {
+			$class_name = $custom_class_name;
+		}
+
+		return new $class_name( $args );
+	}
+
+	return false;
+}
+
+/**
+ * Register column headers for a particular screen.
+ *
+ * @see get_column_headers(), print_column_headers(), get_hidden_columns()
+ *
+ * @since 2.7.0
+ *
+ * @param string    $screen The handle for the screen to register column headers for. This is
+ *                          usually the hook name returned by the `add_*_page()` functions.
+ * @param string[] $columns An array of columns with column IDs as the keys and translated
+ *                          column names as the values.
+ */
+function register_column_headers( $screen, $columns ) {
+	new _WP_List_Table_Compat( $screen, $columns );
+}
+
+/**
+ * Prints column headers for a particular screen.
+ *
+ * @since 2.7.0
+ *
+ * @param string|WP_Screen $screen  The screen hook name or screen object.
+ * @param bool             $with_id Whether to set the ID attribute or not.
+ */
+function print_column_headers( $screen, $with_id = true ) {
+	$wp_list_table = new _WP_List_Table_Compat( $screen );
+
+	$wp_list_table->print_column_headers( $with_id );
+}