/** * __invoke Magic Method * * @param Request $request Request * @param Response $response Response * @param callable $next Next * * @return Response Response */ public function __invoke(Request $request, Response $response, callable $next) { $config = $request->getRoute()->getMiddlewareConfig('validation'); $input = $request->getMethod() === 'GET' ? $request->getQueryParams() : $request->getParams(); try { $validator = $this->getValidator($config); $validator->assert($input); } catch (NestedValidationException $validation_exception) { $exception = new HttpMessages_Exception('Validation error.'); $exception->setErrors($validation_exception->getMessages()); $exception->setInput($input); throw $exception; } $response = $next($request, $response); return $response; }