Horde_Token_Base::validateUnique PHP Метод

    public function validateUnique($token, $seed = '')
    {
        if (!$this->isValid($token, $seed)) {
            throw new Horde_Token_Exception_Used(Horde_Token_Translation::t('This token is invalid!'));
        }
        if (!$this->verify($token)) {
            throw new Horde_Token_Exception_Used(Horde_Token_Translation::t('This token has been used before!'));
        }
    }