At 4:10 PM +0200 4/6/07, Jakob Buchgraber wrote:
Aaron Fischer wrote:
Hi there,
I have a little app that is a pseudo-day-planner. Users can enter
appointments via a form and then I use PHP and GD to write the
appointment blocks onto a calendar image.
It works great in Safari on Mac and Firefox on PC. However, it
doesn't work with Internet Explorer on PC. It appears that the
issue is that IE is not loading a fresh version of the calendar
image each time a change is made.
How can I force IE to load a fresh version of the image, either via
PHP or HTML/HTTP code?
Thanks!
-Aaron
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Just add a unique string to the URL of the image
<img src="createImg.php?<?php echo time(); ?>" />
So the URL of the string changes every time the user reloads the page
Cheers,
Jay
I use echo rand(), but it's the same idea.
You could also use the following as an include file.:
<?php # nocache.php
// this script prevents all caching
// expires on any past date
header ("Expires: Mon, 26 Jul 1997 05:00: GMT");
// last modified at current date and time
header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT");
// for HTTP 1.1:
header ("Cache-Control: no-store, no-cache, must-revalidate");
header ("Cache-Control: post-check=0, pre-check=0", false);
// for HTTP 1.0
header ("Pragma: no-cache");
?>
Cheers,
tedd
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