Forum OpenACS Q&A: Response to php + aolserver + oacs

give these settings a try, they work for me:

ns_section "ns/server/${server}/modules"
       ns_param   php             ${bindir}/libphp4.so

I haven't followed the AOLServer thread very well but I belief this might be your missing link:

ns_section "ns/server/${server}/module/php"
       ns_param map                             *.php

Good luck.

/Bart

P.S. Don't forget to replace ${server} with whatever applies to your configuration.