Wiki
Introduction to PHP
Slides from week 1
Example PHP and MySQL app week 1
Slides from week 2
Example PHP and MySQL app week 2
Slides and code released under GPL . Other hackerspaces are encouraged to use and improve them.
Resources
AddedBytes - Writing secure PHP
php.net - Contains the PHP manual
StackOverflow - Best site on the web for asking programming questions
Software
Firefox extensions for web development
Web developers toolbar
Firebug - Javascript debugger for Firefox
Rainbow Color - Color picker
HTTPFox - Monitor and debug HTTP requests
