php lockit file - decoded

<?php
error_reporting(0);
header("Content-Type: text/html; charset=iso-8859-9");
include("ayarlar.php");
function decrypt_string($encrypted,$check){
if($check=="AydэnWeb Lisans Kontrolь"){
$eski_karakterler=Array("@","Ђ","Я","#","Ј","$","=","Ѕ","й","B","*","/","+","Ц","|",">","<","M","T","F","Z","W",",",":","З","D","X","I","L","K","H","Y","E","%","S","Ю");
$yeni_karakterler=Array("a","b","c","d","e","f","g","h","i","э","j","k","l","m","n","o","p","r","s","t","u","v","y","z",".","w","0","1","2","3","4","5","6","7","8","9");
return str_replace($eski_karakterler,$yeni_karakterler,$encrypted);
}
}
$lisans_check=decrypt_string($lisans,"AydэnWeb Lisans Kontrolь");
if($lisans_check!=str_replace("www.","",getenv('HTTP_HOST'))){
exit('<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-9">
<title>Lisans Geзersiz | AydэnWeb Yazэlэm Эlan Sistemi 2012</title>
</head>
<style>
body{
background: #f8ffe8;
background: url(data:image/svg+xml;base64,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);
background: -moz-linear-gradient(top,  #f8ffe8 0%, #e3f5ab 33%, #b7df2d 100%);
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#f8ffe8), color-stop(33%,#e3f5ab), color-stop(100%,#b7df2d));
background: -webkit-linear-gradient(top,  #f8ffe8 0%,#e3f5ab 33%,#b7df2d 100%);
background: -o-linear-gradient(top,  #f8ffe8 0%,#e3f5ab 33%,#b7df2d 100%);
background: -ms-linear-gradient(top,  #f8ffe8 0%,#e3f5ab 33%,#b7df2d 100%);
background: linear-gradient(to bottom,  #f8ffe8 0%,#e3f5ab 33%,#b7df2d 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr=\'#f8ffe8\', endColorstr=\'#b7df2d\',GradientType=0 );
}
</style>
<center>
<div style="width:500px;margin-top:85px;">
<a href="http://www.aydinwebyazilim.com"><img src="http://www.aydinwebyazilim.com/images/logo.png" title="AydэnWeb Yazэlэm" alt="AydэnWeb Yazэlэm" border="0" width="410" height="125"></a>
<div style="background:#FFF;border:1px solid #000;padding:30px;height:150px;margin-top:10px;">
<span style="font-family:Calibri;font-weight:bold;font-size:14pt;line-height:35px;color:red;">Aydэn Web Yazэlэm Эlan Sistemi 2012<br>Lisans Geзersiz.<br>Lisans Almak Эзin
Bizimle Эletiюime Geзiniz.
<hr noshade color="#0066FF" size="1"><a href="http://www.aydinwebyazilim.com/iletisim" style="text-decoration: none;color:#008080;">AydэnWeb Yazэlэm</a></span>
</div>
</div></center>
</body>
</html>');
}
function connect_to_mysql($Mysql_vt,$Mysql_user,$Mysql_pass){
$link = mysql_connect ('localhost',$Mysql_user,$Mysql_pass);
if (!$link){
die ('Baрlantэ Gerзekleюtirilemedi. // AydэnWeb Yazэlэm');
}
$db_sec = mysql_select_db($Mysql_vt,$link);
if (!$db_sec){
die ('Veri Tabanэna Baрlanэlamadэ. // AydэnWeb Yazэlэm');
}
mysql_query("SET NAMES latin5");
}
function guvenlik($q) {
$q = htmlspecialchars(stripslashes($q));
$oldchar=Array("<script","&lt;script","'","(",")",";","(",")","<iframe","&lt;iframe","&quot;","&lt;?","?&gt;","&gt;","&lt;","insert into","delete from","mysql_query");
$q = str_replace($oldchar,"",$q);
$q = trim($q);
return $q;
}
function seo($deger) {
$deger = strtolower($deger);
$turkce=array("-",",","э","ц","ь","р"," ","&nsbp;","Р","Э","Ц","Ь","ю","Ю","З","з");
$duzgun=array("","","i","o","u","g","_","_","g","i","o","u","s","s","c","c");
$deger=str_replace($turkce,$duzgun,$deger);
$deger = preg_replace("@[^A-Za-z0-9\-_]+@i","",$deger);
return $deger;
}
$sql = mysql_query("SELECT * FROM ayarlar");
$a = mysql_fetch_array($sql);
$title = $a[title];
$description = $a[description];
$keywords = $a[keywords];
$maxsoneklenenmagalar = $a[maxmagaza];
$s4 = $a[magazano];
$sql = mysql_query("SELECT * FROM parametreler");
$a = mysql_fetch_array($sql);
$anasayfa1hafta = $a[f1];
$anasayfa1ay = $a[f2];
$anasayfa3ay = $a[f3];
$anasayfa6ay = $a[f4];
$anasayfa1yil = $a[f5];
$kategori1hafta = $a[f6];
$kategori1ay = $a[f7];
$kategori3ay = $a[f8];
$kategori6ay = $a[f9];
$kategori1yil = $a[f10];
$fiyat1hafta = $a[f11];
$fiyat1ay = $a[f12];
$fiyat3ay = $a[f13];
$fiyat6ay = $a[f14];
$fiyat1yil = $a[f15];
$acilacil1hafta = $a[f16];
$acilacil1ay = $a[f17];
$acilacil3ay = $a[f18];
$acilacil6ay = $a[f19];
$acilacil1yil = $a[f20];
function yeni_tarih($tarih)
{
$tarih1 = substr($tarih,0,4);
$tarih2 = substr($tarih,5,2);
$tarih3 = substr($tarih,8,2);
$saat = substr($tarih,11,8);
//======================================= PAYMENT =====================================//