Disregarding POST Data After It Is Used Once
I have written a pretty nice messageboard website in PHP, but it has one problem -- when a user posts a comment, it takes them back to the thread they were in and shows them the comment they just posted. However, if the user then hits their browser's "Refresh" or "Reload" button, the browser resends all the data that was in the comment form to the PHP script again, and reposts the data a second time.
Is there some way I can make this POST data disappear after it has been inserted into the MySQL database once? Or, perhaps a different solution would be to make a very small PHP script that only does one thing -- it takes in the comment data, inserts it into the database, then immediately forwards the user to the PHP script that actually draws the page... this way if the user hit the refresh button, it wouldn't be refreshing the page that the POST data was sent to.
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