Create WordPress Plugins with OOP Techniques | Nettuts+
http://net.tutsplus.com/tutorials/wordpress/create-wordpress-plugins-with-oop-techniques/
Object-oriented code, among other things, can help organize and add reusability to your code. In this tutorial, I will teach you the basics of writing a WordPress plugin using object oriented techniques. We’ll be using Dribbble’s API as an example for this tutorial. Ready?