We currently do not allow WCNet users to create and use their own custom CGI scripts because of the potential negative impact such scripts can have on both the performance, stability, and security of our web server. PHP Scripting WCNet supports the PHP scripting language for server-side scripting.
Instructions are beyond the scope of the getting started pages.
For a tutorial in PHP go to the PHP Tutorial at php.net. See the counter page for more info on installing a counter in your page.