Classes and Objects (PHP 5)
Table of Contents
- The Basics
 - Autoloading Objects
 - Constructors and Destructors
 - Visibility
 - Scope Resolution Operator (::)
 - Static Keyword
 - Class Constants
 - Class Abstraction
 - Object Interfaces
 - Overloading
 - Object Iteration
 - Patterns
 - Magic Methods
 - Final Keyword
 - Object cloning
 - Comparing objects
 - Reflection
 - Type Hinting
 - Late Static Bindings
 
Introduction
In PHP 5 there is a new Object Model. PHP's handling of objects has been completely rewritten, allowing for better performance and more features.
Tip
  You may also want to take a look at the Userland Naming Guide.