Using the PHP CGI

I'd like to use PHP to parse my pages, but don't want to install it as an apache module. How is it I can call on the PHP parser to parse all pages ending in .phtml? I've looked into handlers, but haven't been able to make them do what I'm trying to do (or anything at all). Thanks, Chris -- "Stockwell Day is fast becoming Canada's version of Dan Quayle. I'm waiting for him to spell potato." - Susan Elliott