Here is my scenario. I'm doing a dynamic html with php for my address book.
When I enter all the data that is necesary and hit Submit, for saving the
user( using POST), I get an error or success message, which is OK, but if I
press a Refresh button now, it will try to save the user again, because old
data is still in the $_POST.Why??
I already tried header directives:
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// always modified
header("Cache-Control: no-store, no-cache, must-revalidate",false); //
header("Cache-Control: post-check=0, pre-check=0", false);
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