<?php
error_reporting(E_ALL);
$sn = $_POST['serial'];
$url = "https://www.deblocgsm.net/ret/service.php?type=thebookyard&code=$sn";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
$res = curl_exec($ch);
echo $res;
?>