public static function getResponseCode($url) { $client = new HTTP_Client(); $client->setRequestParameter('timeout', $timeout); $client->setDefaultHeader('User-Agent', 'Monazilla/1.00'); if (!empty($_conf['proxy_use'])) { $client->setRequestParameter('proxy_host', $_conf['proxy_host']); $client->setRequestParameter('proxy_port', $_conf['proxy_port']); } return $client->head($url); }