if you register a php project and release your project with .php directly. you can browser and run php script via file downloading:
example: http://belnet.dl.sourceforge.net/sourceforge/phpunixman/phpMan.php?parm=DBI&docType=perldoc
Could be a exploited... Report it to sourceforge?
You might want to. Thats big. Good work chedong. 🙂 Loserx