Ergo\Http\ResponseBuilder::expires PHP Méthode

    public function expires($time)
    {
        if (!empty($time) && is_string($time) && !($timestamp = strtotime($time))) {
            throw new \Ergo\Routing\Exception("Invalid expiry time: {$timestamp}");
        } else {
            if (is_numeric($time)) {
                $timestamp = $time;
            } else {
                if ($time == false) {
                    return $this;
                }
            }
        }
        $this->addHeader('Expires', date('r', $timestamp));
        return $this;
    }