Better code for router/dispatcher

[SGBoise]

Hello,
I am trying to implement router/dispatcher for my script. I looked at how phpcake, codeigniter and zend framework work but they were way to complicated to what I needed.
I found a tutorial at http://www.phpaddiction.com/tags/axi...-php-part-one/ which is simple to implement.
I have two types of uri:
category / id / description.html
or
category / subcategory / id / description.html
Example: /videos/funny/234/funny_monkey_dancing.html

What I am trying to do is determine category and subcategory, if there is a subcategory, and then the ID.
The way I am doing it right now doesn't look like the proper way. Is there a better way to do this?

Here is my code from the tutorial with a few modifications.

 //$requestURI = explode('/', $_SERVER['REQUEST_URI']);
$requestURI = explode('/', "tms_routing/videos/funny/234/funny_monkey_dancing.html");
$subfolder = "tms_routing";
// Remove the subfolder
if (!$subfolder == "") {
 for($i= 0;$i < sizeof($requestURI);$i++){
  if ($requestURI[$i] == $subfolder){
   unset($requestURI[$i]);
   break;
  }
 }
}
// Map paths
if (is_numeric($requestURI[3])) {
 $array["category"] = $requestURI[1];
 $array["subcategory"] = $requestURI[2];
 $array["id"] = $requestURI[3];
} else {
 $array["category"] = $requestURI[1];
 $array["id"] =  $requestURI[2];
} 
  

[Bender]

nice hat!
have you considered doing this with mod_rewrite?

[SGBoise]

nice hat!
have you considered doing this with mod_rewrite?

Thanks.

I am using rewrite to redirect to default.php. I can't use static redirects because the category and subcategory can be changed.