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- File not found error
January 6, 2010, 3:42 pm
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Re: File not found error
The message usually explains what causes this - it happens when you move
back to a page that was the result of a POST operation. In order to show
the page again, the browser would have to send the same POST data again,
which might cause problems and security issues. Hence the message.
You can easily avoid it if you do a redirect to the same page after the
POST data was processed. Send back a 302 status code using the header()
function and the current URL, so that the browser will fetch the same
page again using the GET method. Now when you come back to that page
again later, you won't get the "expired" message anymore.