“This tutorial is very best for OOP beginners. I found it’s very best. I think it will help all beginners who want to start OOP.”
by Kevin Waterson
Contents

What is OOP
What is an Object
What is a class
Commenting code
Inheritance (Extending a class)
Visibility (public, private, protected)
Final
Abstract Classes
Static Methods and properities
Interfaces
PHP Class Functions

get_declared_interaces()
get_class()
class_exists()
get_declared_classes()

Autoload
Serializing Objects
Overloading
Class Constants
Credits