Delete a header in PHP
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by Boldewyn
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Published on 2010-04-03T17:56:42Z
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2010/04/03
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To allow caching a PHP generated file, I want to make sure, that the 'Pragma: no-cache' header is not set. However, how do I delete a possibly already set header?
That is, it could be possible, that somewhere in the code someone wrote header('Pragma: no-cache'); and now I want to make sure, the header is not sent.
Is it sufficient to do this:
header('Pragma:');
or is there something like delete_header() (which would, apparently, be undocumented or well-hidden)?
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