php - Silex controller not found -

i'm new user of silex framework , have little (huge me) problem registering route controller. controller can not found silex. here tree of files:

my composer.json file:

{     "require": {         "silex/silex": "~1.3",         "twig/twig": "^1.24",         "doctrine/dbal": "~2.2"     },     "autoload": {         "psr-4": {             "controller\\": "web/"         }     } } 

my index.php file in web directory:

<?php  // web/index.php require_once __dir__.'/../vendor/autoload.php'; use symfony\component\httpfoundation\response;  use silex\provider\urlgeneratorserviceprovider; use silex\provider\validatorserviceprovider; use silex\provider\servicecontrollerserviceprovider; use silex\provider\httpfragmentserviceprovider;  $app = new silex\application(); $app['debug']=true;  $app->get('/','homecontroller::index');  $app->run(); 

and homecontroller.php file:

<?php /**  * created phpstorm.  * user: oskar  * date: 2016-02-07  * time: 02:27  */ namespace web\controller{     use symfony\component\httpfoundation\request;     use silex\application;      use silex\controllercollection;     class homecontroller     {         public function index()         {             return 'hello controller';         }     } } 

my error:

regards.