Gpf_Http::setHeader PHP Method

        public static function setHeader($name, $value, $httpResponseCode = null)
        {
            self::getInstance()->setHeaderValue($name, $value, true, $httpResponseCode);
        }

    public function passthru() {
        $getString = $this->encodeArray($_GET);
        if ($getString != '') {
            $getString = '?' . $getString;
        }

        Gpf_Http::setHeader('Location', $this->getReplicatedSiteRealUrl() . $this->fileName . $getString);
    }