Drupal

The eXperT’s Voice ® in open source

Drupal
John K. VanDyk and Matt Westgate
Foreword by Dries Buytaert, Drupal founder and project lead

Pro

Development
Learn how to use the content management framework to create powerful customized web sites

Pro Drupal Development

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John K. VanDyk and Matt Westgate

Pro Drupal Development Copyright © 2007 by John K. VanDyk and Matt Westgate
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher. ISBN-13 (pbk): 978-1-59059-755-2 ISBN-10 (pbk): 1-59059-755-9 Printed and bound in the United States of America 9 8 7 6 5 4 3 2 1 Trademarked names may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name, we use the names only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark. The Drupal logo is owned and copyrighted by Steven Wittens http://acko.net/ Lead Editor: Matt Wade Technical Reviewers: Steve Potts, Robert Douglass Editorial Board: Steve Anglin, Ewan Buckingham, Gary Cornell, Jason Gilmore, Jonathan Gennick, Jonathan Hassell, James Huddleston, Chris Mills, Matthew Moodie, Jeff Pepper, Paul Sarknas, Dominic Shakeshaft, Jim Sumser, Matt Wade Project Manager: Elizabeth Seymour Copy Edit Manager: Nicole Flores Copy Editors: Nicole Flores, Heather Lang, Susannah Davidson Pfalzer Assistant Production Director: Kari Brooks-Copony Production Editor: Janet Vail Compositor: Susan Glinert Proofreader: April Eddy Indexer: John Collin Cover Designer: Kurt Krames Manufacturing Director: Tom Debolski Distributed to the book trade worldwide by Springer-Verlag New York, Inc., 233 Spring Street, 6th Floor, New York, NY 10013. Phone 1-800-SPRINGER, fax [phone], e-mail