DevShed has posted the first part of a new series looking at benchmarking performance in your PHP applications.

If you're anything like me, you have had your head spinning with questions [...] these and other dilemmas (add your own to the list) sometimes make peace of mind a nearly impossible goal.

The tutorial talks about a few simple methods for running benchmark data including the use of microtime(), an OOP method and wrapping the call inside a method of their class.