I have a situation where there is a single image let's call it somebody.jpg.
I want to be able to dynamicly create this image using php, basicilly I have
PHP set to handle .jpg files also, so I then go through and create an image
based upon some info I get from a database call and then use
header('Content-Type: image/jpeg');
passthru($file);
to send the image to the user.
My problem is once they view the image their browser "helpfully" caches it
so they don't have to download it again.
Is there any tactic short of changing the name constantly of the image to
avoid browser caching of an image?
- Dan
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