For the uninitiated, this guide to the latest version of PHP offers a speedy introduction to object-oriented programming, including a thorough explanation of classes as well as coverage of constructors, destructors, inheritance, polymorphism, and interfaces. In this easy-to-follow, example-filled guide, new concepts are coupled with fully-functional, ready-to-use PHP classes (all available for download from the book s companion website, http://objectorientedphp.com).