About the Author
PHP 5 Unleashed Lead Author
John Coggeshall is a Technical Consultant for Zend Technologies where he provides professional services to clients around the world. He got started with PHP in 1997 and is the author of two published books and over 100 articles on PHP technologies with some of the biggest names in the industry such as Sams Publishing, Apress and O'Reilly. John also is a active contributor to the PHP core as the author of the tidy extension, a member of the Zend Education Advisory Board, and frequent speaker at PHP-related conferences worldwide. His web site, http://www.coggeshall.org/ is an excellent resource for any PHP developer. Contributing Authors
Christian Wenz is author or coauthor of more than three dozen books. He specializes in Web technologies, with focus on Web scripting languages and Web services. He frequently writes for IT magazines and speaks at national and international conferences. Christian maintains or co-maintains several PEAR packages and is Germany's very first Zend Certified Engineer. Christian contributed eight chapters to PHP 5 Unleashed. He lives and works in Munich, Germany.
Sara Golemon is an application developer at the University of California at Berkeley as well as a contributor to the PHP project and other Open Source applications. She helps maintain the PHP streams layer and miscellaneous core extensions and has made more than 400 individual contributions to the online manual, authoring entire reference sections and appendixes. Sara is also the lead developer of nine PECL extensions, including Runkit, Classkit, Parsekit, OggVorbis, and OpenAL.
J. Scott Johnson is the founder of Feedster.com, a leading provider of XML Search Services. He is also the founder of NTERGAID, Inc., and was previous Vice President of Engineering for Mascot, Network. He is a leading blogger, author, and software developer.
Ben Ramsey is a Technology Manager for Hands On Network, an international, non-profit volunteer organization based in Atlanta, Georgia. Before his move to the non-profit sector, he worked for four years as the Technology Director for Roswell, Georgia-based EUREKA! Interactive, Inc. With EUREKA!, he served as the software architect and lead programmer of numerous Web-based applications for local governments and small businesses. He is a Zend Certified Engineer and co-founder of Atlanta PHP.
Marco Tabini is the publisher of phparchitect (http://www.phparch.com), the premier magazine for PHP professionals, and has worked on websites for clients ranging from small startup operations to the Fortune 500s. Despite having been an IT industry professional for the last 15 years, he still manages to maintain a reasonable level of sanity–at least most of the time.
Aron Hsiao is a Linux enthusiast with over a decade of administrative Unix experience. He has worked in various capacities in network deployment, in software and web development, and in the online retail industry. He served as the About.com guide to Linux from 1997 through 2001 and holds a Masters degree in the Social Sciences from the University of Chicago. He is the author of The Concise Guide to XFree86 for Linux, Sams Teach Yourself Red Hat Desktop All In One, and other popular Linux titles.
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Excerpt. © Reprinted by permission. All rights reserved.
Welcome to PHP 5 Unleashed! The pages you now hold represent more than two years of research and writing, during which time every attempt was made to ensure the most technically accurate and complete PHP 5 book on the market today. It is my sincere hope that this book will find itself dog-eared from use in your home or office in the months to come.
I began my work with PHP back in mid 1997 when a friend introduced me to the language as "something kind of cool." Being interested in Web development and the Internet in general, I was immediately hooked on the ease with which I could develop applications. I still remember the first time I wrote a script to query a MySQL database, producing a simple HTML table of its contents as vividly as my first "Hello World" application written in GW-Basic years before. It was the start of a passion which has kept me involved in both the use and development of the language to this day.
A lot has changed since those days of PHP (which was then PHP 3.0). Although a lot of the principles remain, what was once a "kind of cool" language has evolved into an incredibly robust and powerful language used by enterprises big and small around the globe. Today, PHP 5 brings to the table a wealth of functionality, balancing power with flexibilityand this book hopes to capture both within its pages. From the technologies of 1997 to the cutting edge of today, this book will show you how to make this powerful, yet deceptively simple, language work for you and your organization.
I truly hope you find this book insightful, educational, and most of all, useful in your future PHP development. For additional information, please visit http://unleashed. coggeshall.org/.
Organization of the Book
From an organizational standpoint, you will find that this book has been arranged to act as much as a reference as it is a cover-to-cover read. It would in fact be quite impressive for anyone to read the hundreds of pages of technical material which follows and retain anything from it all! Rather than having such high (and honestly, probably unrealistic) expectations, I have designed each chapter and section of this book to allow you to hone in on a specific technology or group of technologies that you are interested in at the time, without necessarily requiring you to read the other chapters. This is also reflected within the examples, which you will find to be focused in the most practical fashion possible on the technology being discussed.