note 42203 added to function.header
| From: | matt at billco dot com | Date: | Fri, 07 May 2004 14:51:04 +0000 |
| Subject: | note 42203 added to function.header | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-69314@lists.php.net to get a copy of this message | ||
ie6 caching problems on xp
if you use your headers in this order then you may get caching problems:
// Date in the past
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
// always modified
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// HTTP/1.1
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
// HTTP/1.0
header("Pragma: no-cache");
put your cache control headers first then the date headers like so:
// HTTP/1.1
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
// HTTP/1.0
header("Pragma: no-cache");
// Date in the past
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
// always modified
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
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Manual Page -- http://www.php.net/manual/en/function.header.php
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