$factory
$factory : \GuzzleHttp\Handler\CurlFactoryInterface
HTTP handler that uses cURL easy handles as a transport layer.
When using the CurlHandler, custom curl options can be specified as an associative array of curl option constants mapping to values in the curl key of the "client" key of the request.
$factory : \GuzzleHttp\Handler\CurlFactoryInterface
__invoke(\Psr\Http\Message\RequestInterface $request, array $options)
| \Psr\Http\Message\RequestInterface | $request | |
| array | $options |