php - Access parameters through URL in index of Controller -

ok, need may sound easy (or complicated? - don't know), here :

in codeigniter, given controller e.g. test can :

<?php if ( ! defined('basepath')) exit('no direct script access allowed');  class test extends ci_controller {      public function sub($param1="", $param2="")     {      } } ?> 

which means can access either :

• mysite.com/test/sub
• mysite.com/test/sub/someparam1
• mysite.com/test/sub/someparam1/someparam2

however, happens if want "omit" sub part?

ok, thought doing same thing in index function of controller. :

public function index($param1="", $param2="") { } 

so directly access either :

• mysite.com/test
• mysite.com/test/someparam1
• mysite.com/test/someparam1/someparam2

however, given ci's inner design, when try this, keeps looking someparam1' method in thetest` controller not exist.

so, how go that?

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p.s.

1. please, let's avoid solutions having .htaccess , obscure redirections , let's stick ci-friendly approach available (if there one).

2. don't suggest creating appropriate functions (instead of using variable accessor) - if wanted way, have done it

3. parameters should preferably part of seo-friendly url, , not take them $_get, etc. (e.g. mysite.com/test/?param1=someparam1&param2=someparam2)

try in config/routes.php

$route['test/(:any)'] = 'test/index/$1';