I'm embarking on a very big exercise to build a CMS in php. It's actually my attempt to learn PHP in a fun (and hardcore) way coming from a Java background. Java is all object oriented so oop is in my blood, but I'm finding that OOP hasn't made it yet to PHP. Most PHP is still being written today the old way without the new concepts.
I'm trying to find an example PHP CMS that's written as object oriented. I hear Xoops is. Any others you know of? or any OOP libraries in general that you know of that could help me in a CMS project.