ZF\Apigility\Admin\Controller\PackageController::createZpkOptions PHP Метод

    private function createZpkOptions(array $params)
    {
        $options = '';
        $xml = array_key_exists('zpk_xml', $params) ? $params['zpk_xml'] : null;
        $options .= $this->createZpkXmlOption($xml);
        $assets = array_key_exists('zpk_assets', $params) ? $params['zpk_assets'] : null;
        $options .= $this->createZpkAssetsOption($assets);
        $version = array_key_exists('zpk_version', $params) ? $params['zpk_version'] : null;
        $options .= $this->createZpkVersionOption($version);
        return $options;
    }