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

If you are using a library that sends the X-Requested-With header, then you can do...

if (strtolower(filter_input(INPUT_SERVER, 'HTTP_X_REQUESTED_WITH')) === 'xmlhttprequest') {
   // I'm AJAX!
}