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Full Version: How do I pass an argument to the index function?
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If I have

Code:
class Admin extends MY_Controller {
     public function index($task = NULL)
     {
       

     }
}
And a hyperlink that goes to base_url('admin/open/');
It will look for a method or function called open in my Admin controller. 
What if I want it to pass a url segement called open to the Index function? What do I do?
For the link, you could use example.com/admin/index/open

Or you need to use URI Routing. That can get troublesome if you have a lot of other admin methods that use the standard URL to controller/method/arg mapping.
You can also use the URI Class segment methods.

CodeIgniter User Guide - URI Class