(This book is written for programmers who want to solve PHP problems. If you don't know PHP, you'd better use this book as the second book to learn PHP. The first should be learning PHP 5, also published by O'Reilly.If you are already familiar with PHP, this book will help you solve some specific problems and will accompany you from now on (at least when you are programming). This book will also show you how to accomplish some specific tasks in PHP.)