[PHP-DB] Example of mail()

Hi all. In the code bellow you'll find an easy to use example of mail(). I know it's very simple but the question is: How can I erase the values held in $_REQUEST such that when I press F5 or I click "Reload" there are no messages sent again? Thanks a lot for you

[PHP-DB] Example of mail()

Hi all. In the code bellow you'll find an easy to use example of mail(). I know it's very simple but the question is: How can I erase the values held in $_REQUEST such that when I press F5 or I click "Reload" there are no messages sent again? Thanks a lot for your help.