<?php

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/**

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* Helper functions for displaying a list of items in an ajaxified HTML table.

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*

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* @package WordPress

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* @subpackage List_Table

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* @since 3.1.0

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*/

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/**

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* Fetches an instance of a WP_List_Table class.

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*

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* @since 3.1.0

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*

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* @global string $hook_suffix

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*

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* @param string $class_name The type of the list table, which is the class name.

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* @param array $args Optional. Arguments to pass to the class. Accepts 'screen'.

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* @return WP_List_Table|false List table object on success, false if the class does not exist.

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*/

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function _get_list_table( $class_name, $args = array() ) {

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$core_classes = array(

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// Site Admin.

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'WP_Posts_List_Table' => 'posts',

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'WP_Media_List_Table' => 'media',

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'WP_Terms_List_Table' => 'terms',

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'WP_Users_List_Table' => 'users',

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'WP_Comments_List_Table' => 'comments',

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'WP_Post_Comments_List_Table' => array( 'comments', 'post-comments' ),

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'WP_Links_List_Table' => 'links',

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'WP_Plugin_Install_List_Table' => 'plugin-install',

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'WP_Themes_List_Table' => 'themes',

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'WP_Theme_Install_List_Table' => array( 'themes', 'theme-install' ),

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'WP_Plugins_List_Table' => 'plugins',

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'WP_Application_Passwords_List_Table' => 'application-passwords',

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// Network Admin.

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'WP_MS_Sites_List_Table' => 'ms-sites',

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'WP_MS_Users_List_Table' => 'ms-users',

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'WP_MS_Themes_List_Table' => 'ms-themes',

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// Privacy requests tables.

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'WP_Privacy_Data_Export_Requests_List_Table' => 'privacy-data-export-requests',

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'WP_Privacy_Data_Removal_Requests_List_Table' => 'privacy-data-removal-requests',

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);

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if ( isset( $core_classes[ $class_name ] ) ) {

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foreach ( (array) $core_classes[ $class_name ] as $required ) {

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require_once ABSPATH . 'wp-admin/includes/class-wp-' . $required . '-list-table.php';

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}

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if ( isset( $args['screen'] ) ) {

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$args['screen'] = convert_to_screen( $args['screen'] );

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} elseif ( isset( $GLOBALS['hook_suffix'] ) ) {

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$args['screen'] = get_current_screen();

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} else {

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$args['screen'] = null;

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}

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/**

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* Filters the list table class to instantiate.

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*

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* @since 6.1.0

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*

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* @param string $class_name The list table class to use.

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* @param array $args An array containing _get_list_table() arguments.

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*/

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$custom_class_name = apply_filters( 'wp_list_table_class_name', $class_name, $args );

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if ( is_string( $custom_class_name ) && class_exists( $custom_class_name ) ) {

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$class_name = $custom_class_name;

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}

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return new $class_name( $args );

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}

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return false;

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}

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/**

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* Register column headers for a particular screen.

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*

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* @see get_column_headers(), print_column_headers(), get_hidden_columns()

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*

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* @since 2.7.0

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*

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* @param string $screen The handle for the screen to register column headers for. This is

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* usually the hook name returned by the `add_*_page()` functions.

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* @param string[] $columns An array of columns with column IDs as the keys and translated

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* column names as the values.

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*/

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function register_column_headers( $screen, $columns ) {

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new _WP_List_Table_Compat( $screen, $columns );

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}

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/**

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* Prints column headers for a particular screen.

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*

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* @since 2.7.0

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*

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* @param string|WP_Screen $screen The screen hook name or screen object.

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* @param bool $with_id Whether to set the ID attribute or not.

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*/

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function print_column_headers( $screen, $with_id = true ) {

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$wp_list_table = new _WP_List_Table_Compat( $screen );

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$wp_list_table->print_column_headers( $with_id );

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}

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