Hello everybody,

I am getting following error.

Notice: Use of undefined constant submit - assumed 'submit' in E:\Projects\RxClub\rxclub\admin\admin_upload.php on line 18

Line 18 is

Code:
if ($_POST[submit]){
I am getting this error on almost all the pages and on different lines, however, I downloaded the site and its working fine online.

Any ideas ??

Thanks.