On the Expert Developer site there's a new tutorial showing you how to get the PHP CodeSniffer tool up and working on a Windows installation. PHP CodeSniffer provides functionality to enforce standards and best practices in your application's development (providing code quality).

In this article we will focus on improving Code Quality. Very first step towards improving code quality is to maintain coding standards across developers. [...] Here we will talk about PHP CodeSniffer, which help us to maintain coding standard across multiple developer. Dealing with CodeSniffer is much easier: create rule set, validate your file against your rule set and get the result immediately. It will immediately show how many mistakes you have made in terms of following coding standards and eventually all developer will start coding as per coding standards you have defined.

There's two main parts to the article: first is getting PEAR installed (a package manager for PHP) and then using it to install CodeSniffer. Complete instructions and commands are included as well as a few screenshots along the way.