References
http://www.onlamp.com/php/
http://www.phpbuilder.com/
http://www.devshed.com/Server_Side/PHP/
http://www.phpnoise.com/
http://www.php.net/
Programming PHP, Rasmus Lerdorf and Kevin Tatroe, O'Reilly and Associates, March 2002
PHP and MySQL Web Development, Second Edition, Luke Welling and Laura Thomson, Sams, February 12, 2003
