name : RequestFactoryInterface.php <?php namespace Psr\Http\Message; interface RequestFactoryInterface { /** * Create a new request. * * @param string $method The HTTP method associated with the request. * @param UriInterface|string $uri The URI associated with the request. If * the value is a string, the factory MUST create a UriInterface * instance based on it. * * @return RequestInterface */ public function createRequest(string $method, $uri): RequestInterface; }