How do I check if the request is made via AJAX in CodeIgniter?

Question

How do I check if the request is an AJAX? I am using CodeIgniter. I have a link that when it clicked, it\'ll open the pop-up dialog window this is done through ajax it reque

Answer 1

As of Codeigniter 2.0 it is prefered to use $this->input->is_ajax_request()