How can I add metadata to an image?

Question

Where does one insert meta data into and image file and what it the mark up to do so? i want to do this with php.

Answer 1

You can go for iptcembed function in PHP to add information to image. usage could be found at: http://php.net/manual/en/function.iptcembed.php

Added data could be retrieved using iptcparse function.

Let me know if this works for you.