plug-in

hi I want to install freeradius as a prepaid Radius server, with some special accounting methods, depends on time,and etc,(both internet and voice) untill now, I can not find any useful plug-ins ,so I want to discover freeradius as an interface between NAS and PHP scripts, that sends nas's port and id, username and password from nas to PHP and gets reply. this will easy to me to write PHP codes, to manage multicost and multipurpose Radius. and my problem, I dont know how I can add PHP files to freeradius? let me know, if u have any idea, or new soloution , Pezhman __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com