Derick Rethans - derick@derickrethans.nl - twitter: @derickr
http://derickrethans.nl/talks.html
http://joind.in/3658

http://derickrethans.nl/talks.php
http://www.derickrethans.nl/vld.php
http://xdebug.org
http://t3.dotgnu.info/blog/tags/inclued/

http://www.amazon.com/Extending-Embedding-PHP-Sara-Golemon/dp/067232704X
http://devzone.zend.com/article/1021