_wp_sidebars_changed() WordPress Function

The wp_sidebars_changed function is used to trigger a sidebar update. It is called when a sidebar is added, removed, or changed. This function includes two parameters: $old_sidebars and $new_sidebars. The $old_sidebars parameter is an array of the old sidebar data. The $new_sidebars parameter is an array of the new sidebar data.

_wp_sidebars_changed() #

function _wp_sidebars_changed() {
	global $sidebars_widgets;

	if ( ! is_array( $sidebars_widgets ) ) {
		$sidebars_widgets = wp_get_sidebars_widgets();
	}

	retrieve_widgets( true );
}