Admin_ClassController::exportFieldcollectionAction PHP Метод

    public function exportFieldcollectionAction()
    {
        $this->removeViewRenderer();
        $fieldCollection = Object\Fieldcollection\Definition::getByKey($this->getParam("id"));
        $key = $fieldCollection->getKey();
        if (!$fieldCollection instanceof Object\Fieldcollection\Definition) {
            $errorMessage = ": Field-Collection with id [ " . $this->getParam("id") . " not found. ]";
            Logger::error($errorMessage);
            echo $errorMessage;
        } else {
            $json = Object\ClassDefinition\Service::generateFieldCollectionJson($fieldCollection);
            header("Content-type: application/json");
            header("Content-Disposition: attachment; filename=\"fieldcollection_" . $key . "_export.json\"");
            echo $json;
        }
    }