In This Chapter
PHP is somewhat unusual as a language in that it can be used both procedurally, as most of this book demonstrates, and as an Object-Oriented Programming (OOP) language. There are merits to both approaches, and one ought to be familiar with each as well (eventually).
Unfortunately, mastery of OOP requires lots of time and information: my PHP 5 Advanced: Visual QuickPro Guide (Peachpit Press) spends 150 pages on the subject! Still, one of the great things about OOP is that you can use it without fully knowing it. You’ll see what this means shortly.
In this chapter, which is new to this edition of the book, is a primer ...