How to call codeigniter controller function from view

Question

How to call codeigniter controller function from view? When i call the function in a controller, get a 404 page.

Answer 1

I would like to answer this question as this comes all times up in searches --

You can call a controller method in view, but please note that this is not a good practice in any MVC including codeigniter.

Your controller may be like below class --

Now You can call this function in view files as below --
abc($id) ;

?>