PHP Tools

PHP Snippet File for Notepad++ (Quicktext plugin) [Check the syntax]
http://searchlightdigital.com/the-greatest-php-snippet-file-ever-using-quicktext-for-notepad

a-r-t: Web application security for PHP
http://php-ids.org/

PHP: 50 Extremely useful php tools
http://www.smashingmagazine.com/2009/01/20/50-extremely-useful-php-tools/

10 most esoteric languages
http://nettuts.com/articles/top-10-most-bizarre-programming-languages/

PIET demo
http://www.dangermouse.net/esoteric/piet/samples.html

http://nettuts.com/tutorials/php/sanitize-and-validate-data-with-php-filters/
http://nettuts.com/tutorials/php/oop-in-php/