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Mastering Joomla! 1.5 Extension and Framework Development

The Professional's Guide to Programming Joomla!

James Kennard

BIRMINGHAM - MUMBAI

Mastering Joomla! 1.5 Extension and Framework Development
The Professional's Guide to Programming Joomla!
Copyright © 2007 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, ortransmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither theauthor, Packt Publishing, nor its dealers or distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.First published: November 2007 Production Reference: 1311007

Published by Packt Publishing Ltd. 32 Lincoln Road Olton Birmingham, B27 6PA, UK. ISBN 978-1-84719-282-0
www.packtpub.com

Cover Image by Vinayak Chittar (vinayak.chittar@gmail.com)

Credits
Author James Kennard Reviewers Joseph L. LeBlanc Riccardo Tacconi Senior Acquisition Editor Douglas Paterson Development Editor RashmiPhadnis Technical Editors Adil Rizwan Ahmed Ved Prakash Jha Editorial Manager Dipali Chittar Project Manager Abhijeet Deobhakta Indexer Hemangini Bari Proofreader Chris Smith Production Coordinator Manjiri Nadkarni Cover Designer Shantanu Zagade

About the Author
James Kennard is a computer programmer with a particular interest in web-based
services. His interests in Joomla! started as a resultof an internal assignment at work when he was tasked with identifying suitable web systems to host a number of intranet and Internet applications. James currently maintains one open-source Joomla! component, which has been translated into over fifteen languages. Examples of his work can be found on his personal website: www.webamoeba.co.uk.

About the Reviewers
Joseph L. LeBlanc started withcomputers at a very young age. His independent
education gave him the flexibility to experiment and learn computer science. Joseph holds a bachelor's degree in Management Information Systems from the Oral Roberts University. Joseph is currently a freelance Joomla! extension developer. He released a popular component tutorial in May 2004, then later authored the book Learning Joomla! 1.5 ExtensionDevelopment: Creating Modules, Components, and Plugins with PHP. Work samples and open-source extensions are available at www.jlleblanc.com. In addition to freelancing, he is a board member of the DC PHP Conference. He has also worked as a programmer for a web communications firm in Washington, DC.

Riccardo Tacconi works for an Italian company as a system administrator and

web developer usingPHP, MySQL, and Oracle. He is an MCP and studies IT part-time at the British Open University. His main interests are web development, Windows and Linux administration, Robotics, and Java software development (JMF, motion detection, CV, and distributed systems). He loves Linux and he is a proud member of the local Linux User Group: GROLUG. He tries to innovate ways to substitute Windows-basedtechnologies with Linux and open-source alternatives.

Table of Contents
Preface Chapter 1: Introduction to Joomla!
Overview History Requirements Extension Types and Their Uses Components Modules Plugins Languages Templates Tools Extension Manager JED and JoomlaCode.org Development Tools J!Code J!Dump Summary The Application and Document Request to Response The Process URI Structure Directory...