php__silex__book/src/demo/Middleware/BeforeRoute.php

<?php

namespace demo\Middleware;


use Silex\Application;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

class BeforeRoute {

  public static function next(Request $request, Application $app) {
    echo "<p>" . $app['timer']->delay() .": In bR</p>\n";
    flush();
    return new Response('Controller bypassed', Response::HTTP_OK);
  }

}