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  • 2012-07-15: removed the monolog.configure service. Use the extend method instead:


    $app['monolog.configure'] = $app->protect(function ($monolog) use ($app) {
        // do something


    $app['monolog'] = $app->share($app->extend('monolog', function($monolog, $app) {
        // do something
        return $monolog;
  • 2012-06-17: ControllerCollection now takes a required route instance as a constructor argument.


    $controllers = new ControllerCollection();


    $controllers = new ControllerCollection(new Route());
    // or even better
    $controllers = $app['controllers_factory'];
  • 2012-06-17: added application traits for PHP 5.4

  • 2012-06-16: renamed request.default_locale to locale

  • 2012-06-16: Removed the translator.loader service. See documentation for how to use XLIFF or YAML-based translation files.

  • 2012-06-15: removed the twig.configure service. Use the extend method instead:


    $app['twig.configure'] = $app->protect(function ($twig) use ($app) {
        // do something


    $app['twig'] = $app->share($app->extend('twig', function($twig, $app) {
        // do something
        return $twig;
  • 2012-06-13: Added a route before middleware

  • 2012-06-13: Renamed the route middleware to before

  • 2012-06-13: Added an extension for the Symfony Security component

  • 2012-05-31: Made the BrowserKit, CssSelector, DomCrawler, Finder and Process components optional dependencies. Projects that depend on them (e.g. through functional tests) should add those dependencies to their composer.json.

  • 2012-05-26: added boot() to ServiceProviderInterface.

  • 2012-05-26: Removed SymfonyBridgesServiceProvider. It is now implicit by checking the existence of the bridge.

  • 2012-05-26: Removed the translator.messages parameter (use instead).

  • 2012-05-24: Removed the autoloader service (use composer instead). The *.class_path settings on all the built-in providers have also been removed in favor of Composer.

  • 2012-05-21: Changed error() to allow handling specific exceptions.

  • 2012-05-20: Added a way to define settings on a controller collection.

  • 2012-05-20: The Request instance is not available anymore from the Application after it has been handled.

  • 2012-04-01: Added finish filters.

  • 2012-03-20: Added json helper:

    $data = array('some' => 'data');
    $response = $app->json($data);
  • 2012-03-11: Added route middlewares.

  • 2012-03-02: Switched to use Composer for dependency management.

  • 2012-02-27: Updated to Symfony 2.1 session handling.

  • 2012-01-02: Introduced support for streaming responses.

  • 2011-09-22: ExtensionInterface has been renamed to ServiceProviderInterface. All built-in extensions have been renamed accordingly (for instance, Silex\Extension\TwigExtension has been renamed to Silex\Provider\TwigServiceProvider).

  • 2011-09-22: The way reusable applications work has changed. The mount() method now takes an instance of ControllerCollection instead of an Application one.


    $app = new Application();
    $app->get('/bar', function() { return 'foo'; });
    return $app;


    $app = new ControllerCollection();
    $app->get('/bar', function() { return 'foo'; });
    return $app;
  • 2011-08-08: The controller method configuration is now done on the Controller itself


    $app->match('/', function () { echo 'foo'; }, 'GET|POST');


    $app->match('/', function () { echo 'foo'; })->method('GET|POST');
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