Online PHP editor | refs for i45nZ

<?php function wp_map_sidebars_widgets( $existing_sidebars_widgets ) { return $existing_sidebars_widgets; } $sidebars_widgets = array( 'sidebar-1' => array(), 'sidebar-2' => array(), 'sidebar-3' => null ); $sidebars_widgets = wp_map_sidebars_widgets( $sidebars_widgets ); // Find hidden/lost multi-widget instances. $shown_widgets = array_merge( ...array_values( $sidebars_widgets ) );