Re: Graphics question
| From: | Todd Pasley | Date: | Fri, 08 Nov 2002 06:51:12 +0000 |
| Subject: | Re: Graphics question | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-123323@lists.php.net to get a copy of this message | ||
> Jeez, this is simple. The browser is caching the image. There's no real
> way to fix that. There are some headers that may encourage the browser to
> not cache, but there is no sure way to control whether the users will have
> this setting overridden.
I use....
srand((double)microtime()*1000000);
$anticache= md5(rand(0,9999999));
and then
echo "<IMG
src=\"drawpic.php?arg1=blah&arg2=blah&.....&anticache=$anticache\" ....
>\n";
Since this addition, i have never had a problem with cache,
HTH
Todd.