<?php 
<?php

// USING _HTTP_ROOT
   
$req_uri        preg_replace('%^'.preg_quote(_HTTP_ROOT'%').'%i'''$_SERVER['REQUEST_URI']);
   
$url_arr        parse_url($req_uri);
   
$url_path_arr   explode('/'trim($url_arr['path'], '/'));
   
$controller     $url_path_arr[0];


// WITHOUT REQUEST_URI
    
$url_arr        parse_url($_SERVER['REQUEST_URI']);
    
$url_path_arr   explode('/'trim($url_arr['path'], '/'));
    
$controller     $url_path_arr[0];


?>
 ?>