wp_unregister_sidebar_widget action-hook . WP 3.0.0

Fires just before a widget is removed from a sidebar.

Usage

add_action( 'wp_unregister_sidebar_widget', 'action_function_name_9605' );
function action_function_name_9605( $id ){
	// action...
}

$id(int)

The widget ID.

Where the hook is called

do_action( 'wp_unregister_sidebar_widget', $id );

Where the hook is used (in WP core)