Posted by Marek Kilimajer on 05/21/05 00:39

Rahul S. Johari wrote:
> Ave,
>
> On 5/19/05 5:41 PM, "Marek Kilimajer" <lists@kilimajer.net> wrote:
>
>
>>If more then one user is accesing the page, you might overwrite the
>>first one's verify.png image. Simple and sufficient solution is to
>>append a random string to the filename:
>>
>>$image_filename= 'verify_' . md5(rand()) . '.png';
>>ImagePNG($im, $image_filename);
>>?>
>><img src="<?php echo $image_filename; ?>" width="200" height="40">
>><?php
>>
>>Just remember to add some way to remove old images.
>
>
> Solutions works for me too... Gets rid of the multi-user problem. Thanks for
> pointing it out and suggesting the solution.
>
> The other Cache problem still persists. Don't know what to do about it. Is
> just not working out in IE.

The above code should also fix cache problems. The image name will be
different each reload.

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