Routing Component=================Routing associates a request with the code that will convert it to a response.The example below demonstrates how you can set up a fully working routingsystem:```phpuseSymfony\Component\HttpFoundation\Request;useSymfony\Component\Routing\Matcher\UrlMatcher;useSymfony\Component\Routing\RequestContext;useSymfony\Component\Routing\RouteCollection;useSymfony\Component\Routing\Route;$routes=newRouteCollection();$routes->add('hello',newRoute('/hello',array('controller'=>'foo')));$context=newRequestContext();// this is optional and can be done without a Request instance$context->fromRequest(Request::createFromGlobals());$matcher=newUrlMatcher($routes,$context);$parameters=$matcher->match('/hello');```Resources---------You can run the unit tests with the following command: $ cd path/to/Symfony/Component/Routing/ $ composer install $ phpunit