Model\User::stop PHP Method

    public function stop()
    {
        $inTransaction = DB::getInstance()->inTransaction();
        if (!$inTransaction) {
            DB::getInstance()->beginTransaction();
        }
        $stn = DB::sql("UPDATE member SET `enable` = 0 WHERE uid=?");
        $stn->bindValue(1, $this->uid, DB::PARAM_INT);
        $stn->execute();
        if (!$inTransaction) {
            DB::getInstance()->commit();
        }
    }