A good website about PHP class

Just recommand a good website for people who would like to learn object-oriented programming by using PHP. There are a lot of PHP class in this website. They are also been well categoried. You will be able to find the one you want earliy.
URL:http://www.phpclasses.org/

PHP: PageNavigator Class

Sometimes making Page Navigator is hard to the new PHP user. Here I found a quite good page navigator class by which you could build you page navigator easily. The packet contains the Navigator class as well as an example. Both PHP4 and PHP5 version are available.
PHP4: http://objectorientedphp.com/downloads/chap08ver4.zip
PHP5: http://objectorientedphp.com/downloads/chap08.zip

My Ongoing Project

Because the main functions of my website have been done. I would like to post it and get people who is interested in my design to test it. Hopefully I could receive some feedback. Thanks!

http://students.mim.iml.uts.edu.au/users/10491898/eshop/main.php

In order to understand how to use the website, I would like you to read my System Plan. You will get the idea.

http://webdev.exetel.com.au/~jingt/sp/system_plan.html

My System Plan

Forgot to put it on my Blog
http://webdev.exetel.com.au/~jingt/sp/system_plan.html