I am using GD to place text on an existing image. This works fine.
However, each time the image is called, a server is queried...Now, this image may appear on many pages, so I would only want the image to update every 5 or 10 minutes. How can I implement a cache?
I read something about headers and expiring, but I am inexperienced with web development. Could someone write a quick example of how to cache the image, and refresh it every X minutes?
Thanks,
Image Cache
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