About the Author

Christian Wenz is a professional phrasemonger, author, trainer, and consultant with a focus on web technologies. He has written or cowritten over four dozen books. He frequently contributes articles to renowned IT magazines and speaks at conferences around the globe. Christian contributes to several PHP packages in the PEAR repository and also maintains one Perl CPAN module. He holds a degree ("Diplom") in Computer Sciences from Technical University of Munich and lives and works in Munich, Germany. He also is Germany's very first Zend Certified Professional and founding principal at the PHP Security Consortium.