Optimizing PHP Objects

I ran across this article on Digg yesterday when surfing from my PDA in a coffee shop on lunch. I bookmarked it but never got around to posting it yesterday. The author provides some tips and tricks for streamlining PHP Objects. Some of the tips are just good solid programming advice for PHP.

http://www.whenpenguinsattack.com/2006/07/21/optimizing-object-oriented-php/