Introduction

This book is a reference to the most essential functions in the PHP language. It was written by a group of working developers for other working developers—people who are experienced programmers and PHP users. It’s not a tutorial on how to learn PHP—for that, we recommend Web Application Development with PHP 4.0 by Tobias Ratschiller and Till Gerken (New Riders, 2000, ISBN 0-7357-0997-1).

Purposes and Organization of This Book

Our goal with this book was to produce a function reference in which every function had a clear, accurate writeup that was supported by one or more examples.We strove for technical accuracy by doing reviews of each function at the source code level, and by having expert developers perform technical reviews of ...

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