Stable release of middleware dispatcher package was tagged.

The package is a PSR-15 middleware dispatcher. Given a set of middleware and a request instance, dispatcher executes it is produces a response instance.

use Yiisoft\Middleware\Dispatcher\MiddlewareDispatcher;
use Yiisoft\Middleware\Dispatcher\MiddlewareFactory;

$dispatcher = new MiddlewareDispatcher(
    new MiddlewareFactory($diContainer),
    $eventDispatcher
)->withMiddlewares([
    static function (): ResponseInterface {
        return new Response(418);
    },
]);

$request = new ServerRequest('GET', '/teapot');
$response = $dispatcher->dispatch($request, $this->getRequestHandler());

More details are available in the package readme.