AS3CF_Filter::is_failure PHP Метод

    protected function is_failure($value)
    {
        if (!is_array($value) || !isset($value['timestamp'])) {
            return false;
        }
        $expires = time() - 15 * MINUTE_IN_SECONDS;
        if ($expires >= $value['timestamp']) {
            return false;
        }
        return true;
    }