On NetTuts.com today there's a new tutorial posted about "taming" Slim 2.0, the latest version of the popular PHP microframework. They look at application structure and share some tips to using this update.

Slim is a lightweight framework that packs a lot of punch for its tiny footprint. It has an incredible routing system, and offers a solid base to work from without getting in your way. Let me show you! But that’s not to say that Slim doesn’t has some issues; it’s one-file setup becomes cluttered as your application grows. In this article, we’ll review how to structure a Slim application to not only sustain, but improve its functionality and keep things neat and systematic.

He starts with an example of "vanilla Slim" and looks some at what's happening behind the scenes in the routing engine. They then give you a step by step installation and usage guide including updating the router to use class files. An example controller is included as well as some basic error handling using a Twig template for use across the application.