On PHPBuilder.com today there's a new tutorial talking about a handy tool that can save your sanity when debugging your applications - XDebug.

While this [trial and error] approach certainly has its occasional merits, there is a far more effective technique, one that I guarantee will help set you on the road of success. This approach involves using an open source debugging tool named XDebug, and in this article I'll help you get started using this powerful solution.

He walks you through the installation of the tool and how to examine the contents of an object with it. He also shows you how to view the superglobals and some of the other features of XDebug like function tracing and remote debugging.