public function delete_item( $request ) {
global $wp_widget_factory, $wp_registered_widget_updates;
/*
* retrieve_widgets() contains logic to move "hidden" or "lost" widgets to the
* wp_inactive_widgets sidebar based on the contents of the $sidebars_widgets global.
*
* When batch requests are processed, this global is not properly updated by previous
* calls, resulting in widgets incorrectly being moved to the wp_inactive_widgets
* sidebar.
*
* See https://core.trac.wordpress.org/ticket/53657.
*/
wp_get_sidebars_widgets();
$this->retrieve_widgets();
$widget_id = $request['id'];
$sidebar_id = wp_find_widgets_sidebar( $widget_id );
if ( is_null( $sidebar_id ) ) {
return new WP_Error(
'rest_widget_not_found',
__( 'No widget was found with that id.' ),
array( 'status' => 404 )
);
}
$request['context'] = 'edit';
if ( $request['force'] ) {
$response = $this->prepare_item_for_response( compact( 'widget_id', 'sidebar_id' ), $request );
$parsed_id = wp_parse_widget_id( $widget_id );
$id_base = $parsed_id['id_base'];
$original_post = $_POST;
$original_request = $_REQUEST;
$_POST = array(
'sidebar' => $sidebar_id,
"widget-$id_base" => array(),
'the-widget-id' => $widget_id,
'delete_widget' => '1',
);
$_REQUEST = $_POST;
/** This action is documented in wp-admin/widgets-form.php */
do_action( 'delete_widget', $widget_id, $sidebar_id, $id_base );
$callback = $wp_registered_widget_updates[ $id_base ]['callback'];
$params = $wp_registered_widget_updates[ $id_base ]['params'];
if ( is_callable( $callback ) ) {
ob_start();
call_user_func_array( $callback, $params );
ob_end_clean();
}
$_POST = $original_post;
$_REQUEST = $original_request;
$widget_object = $wp_widget_factory->get_widget_object( $id_base );
if ( $widget_object ) {
/*
* WP_Widget sets `updated = true` after an update to prevent more than one widget
* from being saved per request. This isn't what we want in the REST API, though,
* as we support batch requests.
*/
$widget_object->updated = false;
}
wp_assign_widget_to_sidebar( $widget_id, '' );
$response->set_data(
array(
'deleted' => true,
'previous' => $response->get_data(),
)
);
} else {
wp_assign_widget_to_sidebar( $widget_id, 'wp_inactive_widgets' );
$response = $this->prepare_item_for_response(
array(
'sidebar_id' => 'wp_inactive_widgets',
'widget_id' => $widget_id,
),
$request
);
}
/**
* Fires after a widget is deleted via the REST API.
*
* @since 5.8.0
*
* @param string $widget_id ID of the widget marked for deletion.
* @param string $sidebar_id ID of the sidebar the widget was deleted from.
* @param WP_REST_Response|WP_Error $response The response data, or WP_Error object on failure.
* @param WP_REST_Request $request The request sent to the API.
*/
do_action( 'rest_delete_widget', $widget_id, $sidebar_id, $response, $request );
return $response;
}