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kodeking
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Joined: 19 Jun 2003
Posts: 15
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 Posted: Tue Aug 12, 2003 6:14 pm Post subject: Not Modified hits |
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| Quote: |
EDIT EDIT EDIT
Never mind, I had to reset my browser's setting.
EDIT EDIT EDIT
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Can i make the server send a new page even if it thinks its unchanged. I have an index page that is never changed, but it uses include(); to use a page that is changed. The server is just sending a cached version of the old pages. Is it possible to turn this off?
Although now that i think about this, could it be the browser asking for a old version?
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Last edited by kodeking on Sat Feb 19, 2011 6:33 pm; edited 2 times in total |
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aprelium
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Joined: 22 Mar 2002
Posts: 6800
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| Posted: Wed Aug 13, 2003 1:35 pm Post subject: Re: Not Modified hits |
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| kodeking wrote: | | Quote: |
EDIT EDIT EDIT
Never mind, I had to reset my browser's setting.
EDIT EDIT EDIT
|
Can i make the server send a new page even if it thinks its unchanged. I have an index page that is never changed, but it uses include(); to use a page that is changed. The server is just sending a cached version of the old pages. Is it possible to turn this off?
Although now that i think about this, could it be the browser asking for a old version? |
Usually in such a case, the server is not reposnsible. It is your browser that behaves "smartly" and refuses to get the page each time it is asked for. To force it, you should send some additional headers with your script (put this code snippet in the beginning of your script):
| Code: | header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// always modified
header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache"); // HTTP/1.0 |
This code is commented in the documentation of the header() command in the PHP official manual.
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