Introducing dependency injection into Simplex - http://www.symfonycentral.com

container.php

<?php

// example.com/src/container.php

use Symfony\Component\DependencyInjection;
use Symfony\Component\DependencyInjection\Reference;

$sc = new DependencyInjection\ContainerBuilder();
$sc->register('context', 'Symfony\Component\Routing\RequestContext');
$sc->register('matcher', 'Symfony\Component\Routing\Matcher\UrlMatcher')
    ->setArguments(array($routes, new Reference('context')))
;

// ... etc