A HitchHackers guide through WordPress

Source code

function walk_nav_menu_tree( $items, $depth, $r ) {

	$walker = ( empty($r->walker) ) ? new Walker_Nav_Menu : $r->walker;

	$args = array( $items, $depth, $r );



	return call_user_func_array( array(&$walker, 'walk'), $args );

}