ApiController::sendResource PHP Method

    protected function sendResource(services\Resource $resource, $status = 200)
    {
        header("Category: {$resource->getOeFhirProfile()}; scheme=http://hl7.org/fhir/tag/profile");
        if ($last_modified = $resource->getLastModified()) {
            header('Last-modified: ' . date(DATE_RFC1123, $last_modified));
        }
        $data = $resource->toFhir();
        if ($this->output_format == 'xml') {
            header('Content-type: ' . self::XML_MIMETYPE);
            $this->sendResponse($status, Yii::app()->fhirMarshal->renderXml($data));
        } else {
            header('Content-type: ' . self::JSON_MIMETYPE);
            $this->sendResponse($status, Yii::app()->fhirMarshal->renderJson($data), self::JSON_MIMETYPE);
        }
    }