Model\User::getCurrent PHP Method

    public static function getCurrent()
    {
        /** @var User $user */
        $user = $_SESSION['currentUser'];
        if ($user && TIMESTAMP - $user->lastActive > 600) {
            $userObj = self::getUserByUserId($user->uid);
            if (!$userObj) {
                $user = null;
            } elseif ($user->password != $userObj->password) {
                // Password changed
                $user = null;
            } else {
                $userObj->lastActive = TIMESTAMP;
                $user = $userObj;
            }
        } elseif (!$user->uid) {
            $uid = Encrypt::decode(base64_decode($_COOKIE['uid']), ENCRYPT_KEY);
            $expire = Encrypt::decode(base64_decode($_COOKIE['expire']), ENCRYPT_KEY);
            $token = Encrypt::decode(base64_decode($_COOKIE['token']), ENCRYPT_KEY);
            if ($uid && $expire && $token) {
                $userObj = self::getUserByUserId($uid);
                if ($userObj) {
                    $validateToken = md5($userObj->uid . ":" . $userObj->email . ":" . $userObj->passwd . ":" . $expire . ":" . COOKIE_KEY);
                    if ($token == $validateToken) {
                        $userObj->lastActive = TIMESTAMP;
                        $user = $userObj;
                    }
                }
            }
        }
        $_SESSION['currentUser'] = $user;
        return $user;
    }

 public function index()
 {
     $data['user'] = User::getCurrent();
     $data['cronList'] = CronModel::getCronArray();
     Template::setContext($data);
     Template::setView('admin/cron');
 }