Çalışan instaweb var bende

<?php

$dizin = $_SERVER["DOCUMENT_ROOT"] . "/license.php";
include $dizin;
$lisans["site"] = getenv("HTTP_HOST");
if (substr($lisans["site"], 0, 4) == "www.") {
    $lisans["site"] = substr($lisans["site"], 4);
}
$bas = "İNSTASCRİPT-";
$des = "-RYBO58D-";
$yil = date(Y);
$son = "-";
$s = "md5";
$m = "sha1";
$a = "md5";
$q = strtoupper($s($m($s($lisans["site"]))));
$bos = substr($q, 5, 7);
$lisans["hash"] = wordwrap(strtoupper($s($a($s($a($m($s($a($m($lisans["site"] . date("YmdH")))))))))), 7, "-", true);
$liskod = $lisans["hash"];
$cevir = strrev($liskod);
$bcs = (string) $bas . $bos . $des . $cevir . $son . $yil;
if ($bcs !== $lisanskodu) {
    $lisans_cevap = "http://www.etkilibey.com/kontrol.php?site=" . $lisans["site"];
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $lisans_cevap);
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER["HTTP_USER_AGENT"]);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    $lisans_cevap = curl_exec($ch);
    curl_close($ch);
    if ($lisans_cevap != "1")