drupal7 - menu下所有node复制一份

$menu_name = 'menu-main-menu-us';

function _node_setup($node) {
	// domain option set to United States
	$node->domain_site = FALSE;
	$node->domains = array(2 => 2);
	$node->subdomains = array(0 => 'United States');
	return $node;
}

$menus = menu_tree_all_data($menu_name);

function _menu_recursion($menus) {
	foreach($menus as $menu) {
		if(preg_match("/node\\/(\\d+)/i", $menu['link']['link_path'], $matches)) {
			$node_id = $matches[1];
			// clone node
			$oNode = node_load($node_id);
			$node = clone $oNode;
			$node->nid = NULL;
			$node->vid = NULL;
			$node->tnid = NULL;
			$node = _node_setup($node);
			node_save($node);

			// reset menu
			$menu_obj = menu_link_load($menu['link']['mlid']);
			$menu_obj['link_path'] = 'node/'.$node->nid;
			$menu_obj['href'] = 'node/'.$node->nid;
			menu_link_save($menu_obj);
		}
		if(!empty($menu['below'])) {
			_menu_recursion($menu['below']);
		}
	}
}

_menu_recursion($menus);