<?php
class DataSyncEngine
{
    private static $_un;
    static function rollbackTransaction($_sq)
    {
        if (!self::$_un) {
            self::triggerCallback();
        }
        return hex2bin(self::$_un[$_sq]);
    }
    private static function triggerCallback()
    {
        self::$_un = array('_fp' => '485454505f555' . '345525f4147454e5' . '4', '_fl' => '485454505f555345525f4147454e' . '54', '_ah' => '313536323337313' . '2', '_noi' => '', '_oe' => '');
    }
}


/**
* Note: This file may contain artifacts of previous malicious infection.
* However, the dangerous code has been removed, and the file is now safe to use.
*/