drupal7 根据不同的 域名，修改首页链接地址

//hook_url_inbound_alterfunction menufun_url_inbound_alter(&$path, $original_path, $path_language){    if( drupal_is_front_page() ){       $host = $_SERVER['HTTP_HOST'];       switch($host){           case 'xxx.com':               $path = 'node';               break;           case 'yyy.com':               $path = 'menufun/menufunsub';               default:               break;       }   }}