This book is the authoritative guide to PHP 4, the latest version of the language, and contains unique insights from PHP's creator, Rasmus Lerdorf. This book introduces the syntax and programming techniques of the PHP language in a clear and concise style, and demonstrates their correct use and idioms through a large number of examples. This book also gives design style tips and practical programming advice that will help you become not only a PHP programmer, but an excellent PHP programmer.