About the Authors

Sterling Hughes is a freelance software developer with over seven years experience developing high-end Web applications. He has written articles for Webreference, Devshed, Zend, and Webtechniques, and he speaks frequently about PHP at conferences around the world. He can be contacted by sending e-mail to [e-mail].

Andrei Zmievski is the lead development engineer and open source researcher at ispi, where he works on various e-commerce and Web publishing projects. He is a member of the PHP core development group and has contributed to several other open source projects. His other interests include piano and computer graphics. He can be reached at [e-mail].