$url = "http://csoku.peerclicktrk.com/postback?cid=81b2d398ce5559e1050ac5d9ff767a25-2071-0411";


$page = @file_get_contents($url);
if (empty($page)) {
    $curl = curl_init($url);
    curl_setopt($curl, CURLOPT_HEADER, true);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36");
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_HEADER, 'Content-Type: application/x-www-form-urlencoded');
    $page = curl_exec($curl);
}
return $page;