Zend Platform is a powerful tool both in development and in production. If you’ve not played with it Zend offerers a free 30 day trial and a free license for anyone wanting to use it for development. One of the cool features of it is the Event Debugger. Here’s a short screencast that demonstrates how it works and how it integrates with Zend Studio for Eclipse.
Do you like this video? (and honestly, with a velvet voice like that narrating, who wouldn’t?) You can see more videos like this at Zend Platform’s Video Page.