Sterling Hughes is a freelance Web developer, creating dynamic Web applications in PHP, C, and Perl for Fortune 500 companies. He is a coauthor of the PHP documentation and has written articles about PHP for Webreference, Zend.com, and Webtechniques. He currently writes a regular feature for Zend.com. He authored PHP's SWF, CURL, Sablotron (XSL), and BZip2 extensions, and coauthored the Sockets extension. He can be reached at sterling@php.net.
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 andrei@php.net.