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:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!