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Sending a 304

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Feb 16.2005

Hi,

I’ve just set up a server cache for a db driven site I’m working on where the pages won’t change very often, I’d really like to send a 304 rather than the cached page when I can but I’m having trouble finding out what the script should be responding to – it doesn’t seem to be a HEAD request but some sort of GET. What field should I be testing for? Ideas and links gratefuly received,

thanks ?

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PHP

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@RedAndyauthorFeb 18.2005 — Found some useful resources at webmasterworld. It's done using a conditional get.
[code=php]$req_date=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))?
$_SERVER['HTTP_IF_MODIFIED_SINCE']
:"";;
if ($req_date == $myCache->lastModified) {
header('HTTP/1.0 304 Not Modified');
exit;
}[/code]

not pretty but it seems to work. If anyone has an improvement please post ?
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