How to let Apache execute PHP script without extension .php

Hi, I would like to run a php script but without giving it the extension .php. Would like to do this because I have the trailing slash problem in apache. (the last slash in a URL which tells apache if it is a file or a folder) I already tried mod_rewrite... but this one doesnt work quite good with the Informix WebDriver..... argh. So my last option is a redirect in a script..... Does anyone know how to configure this on my Redhat 7.3 box? Apache 1.3.22 (yeah I know it is old, but have to :( ) PHP 4.2.2 Regards Mike J. Duin