jQuery AJAX/POST not sending data to PHP

Question

So I have this problem for a while now, and I know there are countless questions on this topic, believe me I tried every solution possible but still does not work.

T

Answer 1

I was having this same problem and the issue turned out to be one of my variables in the data object was undefined. For some reason that prevented the post data being sent. Setting the variable to something other than undefined fixed the problem.