factory = $options['handle_factory'] ?? new CurlFactory(3); } public function __invoke(RequestInterface $request, array $options): PromiseInterface { if (isset($options['delay'])) { \usleep($options['delay'] * 1000); } $easy = $this->factory->create($request, $options); \curl_exec($easy->handle); $easy->errno = \curl_errno($easy->handle); return CurlFactory::finish($this, $easy, $this->factory); } }