PHP $_POST not working but $_GET works fine

Question

I\'m trying to build a simple login system using

. Everything works fine on MAMP on my laptop but when I upload the script to the se

Answer 1

I got it fixed eventually, figure I might as well post what worked here in case someone else has the same problem in future.

Turns out one of these HTTP modules was interfering with POST:

RadCompression
RadUploadModule

With these modules turned off, POST worked fine.

(NB this was on a totally new app where I knew there wasn't any existing code that might have depended on one of those modules... turning them off may have unintended consequences I'm not aware of, YMMV.)