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How do I obtain GeoTagging Info from an uploaded image

I'd like to build an app that takes (with permission of course) user-uploaded images and makes use of开发者_Python百科 the geotagging info embedded in the image. I'm a PHP/Javascript developer...how do I obtain that info?


Cameras generally use exif headers to store GPS information.

With PHP, the EXIF module allows you to read these headers.

To activate this extension, you must compile PHP with --enable-exif.

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