How to clear browser cache when re-uploading image with same filename, in php?

Question

I have a listing of items, that also contains an image thumbnail. Sometimes I need to change the thumbnail image, but keep the filename the same. Is there a way to force the bro

Answer 1

I found out that one of the best ways to do this is by having the same URL for getting and posting an image (REST).

POST /my/image (Cache-control: no-cache, must-revalidate)

GET /my/image (Cache-control: must-revalidate)