Freshmeat page: http://freshmeat.net/projects/php_imlib/
(Direct quote from freshmeat appindex, because I'm lazy):
php_imlib is an extension for PHP4 that makes the Imlib2 image manipulation library available from within PHP scripts. The extension will build as a self-contained shared object, or as a module built into PHP.
This project has the following developers:
Keep up with the latest Advogato features by reading the Advogato status blog.