<?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.
*
* @access private
* @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;
}
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 );
}