You could do that... a "poor man's mod_rewrite" might involve something like 
this and making the main PHP parsing script your 404 page.. so no matter where 
you went on a page, the 404 redirect to your PHP script would parse the request 
(or would you get the post-redirected URL? in which case you'd have to get the 
'referrer' maybe?  not sure..).

Sounds like it could have some security issues though..giving too much power to 
the user and what they enter in the URL being used as variable data..   
definitely would want to scrub that input hard.

-TG

= = = Original message = = =

I believe Kevin is on the right track there. To expand a bit, you can use
$_SERVER['PATH_INFO'] with these urls instead of $_GET to make use of the
data it contains

example for url http://www.example.com/index.php/foo/bar
<?php
echo $_SERVER['PATH_INFO'];
?>

produces:
/foo/bar

You can then parse this string, (generally by using the '/' character as a
deliminator) and extract the data. MediaWiki even provides information
(can't think of where at the moment) on how to use Apache's mod_rewrite to
hide index.php thus making the url even cleaner:
http://www.example.com/foo/bar

Cheers!
- Joe


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