if($host && ($host !== $defaultHost && ($host !== $site_module_info->domain || $host !== $siteDomain)))

{

                $homepage = file_get_contents('http://www.gpusa.org/index.php');

                echo $homepage;

}

else if((!$host || !$urlInfo || !$urlInfo['scheme']) && preg_match("/^(https?|[a-z0-9])+\:(\/)*/i", urldecode($url)))

{

throw new exception('msg_invalid_request');

}

}