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

Append a unique number to the end of the image src

ie

";

do this only on the form for the updating avatar

works for me

btw, this works well for forcing updates of other static files

i.e. html for css files is