An MVC style use of Slim.

SlimMvc.php

<?php

require 'Slim/Slim.php';

class SlimMvc extends Slim
{
    public function __construct($userSettings = array())
    {
        parent::__construct($userSettings);
        $this->init();
    }

    public function init()
    {
        $urlParts = explode('/', $this->request()->getResourceUri());
        $controller = ucfirst($urlParts[1]) . 'Controller';

        include_once "controllers/$controller.php";
        new $controller($this);
    }
}