PHP OOP

PHP Freaks – PHP Help Tutorial: OO PHP Part 1: OOP in Full Effect.

PHP OOP

Create WordPress Plugins with OOP Techniques | Nettuts+.

PHP OOP

WP + You + OOP | Scott Taylor.

PHP OOP

Using Classes as Code Wrappers for WordPress Plugins « HardcoreWP.

PHP OOP

Functions and Classes and Singletons, Oh My!.

PHP OOP