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by Chris Groesser - 3 months ago (2018-10-26)
For building a database wich wil be used for searching in images
1. by Dave Smith - 1 month ago (2018-12-30) Reply
There is a library that can read and write the exif data. I wrote an API wrapper in PHP a few years ago that can use the library, which I never did anything with. If you are still looking for this, let me know and I will find the code and alter it for just the wrapper.
Metadata is "all over the map" depending on different camera manufacturers and different image editors, but this package will probably get you to the center of gravity.