Vikram Vaswani is the founder and CEO of Melonfire (http: //www.melonfire.com/), a company specializing in software consultancy and content creation and syndication services. He is also the author of PHP Programming Solutions, How to do Everything with PHP and MySQL, and MySQL: The Complete Reference (all McGraw-Hill/Osborne titles) and XML and PHP (New Riders Publishing). He is also the author of numerous well-received articles on open-source technologies (including Perl, Python, XML and the very popular PHP 101 series), all written with the goal of making complex technologies accessible and