Why I have to call 'exit' after redirection through header('Location..') in PHP?
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by Nicolò Martini
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Published on 2010-04-30T21:24:16Z
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2010/04/30
21:27 UTC
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You know that if you want to redirect an user in PHP you can use the header function:
header('Location: http://smowhere.com');
It is also well known that it is a good practice to put also an exit; after the header call, to prevent execution of other php code. So my question is: could the code after the header-location call be effectively executed? In which cases? Can a malicious user be able to completely ignore the header('Location..') call? How?
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