private function prepareDomain(RequestContext $context, array &$parameters, &$referenceType) { if (isset($parameters['_ssl'])) { $context->setScheme(true === $parameters['_ssl'] ? 'https' : 'http'); } if (isset($parameters['_domain']) && '' !== $parameters['_domain']) { $this->addHostToContext($context, $parameters, $referenceType); } unset($parameters['_domain'], $parameters['_ssl']); }