script issues with $_POST[] variables

[#1]

Since the upgrade, my scripts that use $_POST[] to retrieve POST method variables, don't seem to be working any more. Any suggestions?
Thanks

[#2]

Hi there, can you raise a ticket on your account about this by going here and clicking Webspace & CGI > CGI > I have a problem after the upgrade to PHP5
Include any detail you'll think would help us and we'll see if we can get to the bottom of it for you.

[#3]

Will do! thank you.