**Reported by brylie on 27 Sep 2012 15:01**
**Version:** 2.4.4
For the sake of portability, it would be useful to write metadata changes (tags, keywords, geolocation, etc.) directly to the image file.
[Piwigo Bugtracker #2755](http://piwigo.org/bugs/view.php?id=2755)
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**Comment posted by brylie on 14 Dec 2012 01:57**
PHP has a core library to work with IPTC metadata, including writing metatags to jpeg files.
iptcembed Embeds binary IPTC data into a JPEG image
http://php.net/manual/en/function.iptcembed.php
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**Comment posted by brylie on 20 Apr 2013 05:51**
There is also a PHP EXIF library, licensed as GPL:
http://lsolesen.github.io/pel/
https://github.com/lsolesen/pel
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Reported by brylie on 27 Sep 2012 15:01
Version: 2.4.4
For the sake of portability, it would be useful to write metadata changes (tags, keywords, geolocation, etc.) directly to the image file.
Piwigo Bugtracker #2755
Comment posted by brylie on 14 Dec 2012 01:57
PHP has a core library to work with IPTC metadata, including writing metatags to jpeg files.
iptcembed Embeds binary IPTC data into a JPEG image
http://php.net/manual/en/function.iptcembed.php
Comment posted by brylie on 20 Apr 2013 05:51
There is also a PHP EXIF library, licensed as GPL:
http://lsolesen.github.io/pel/
https://github.com/lsolesen/pel
Plugin Write Metadata does the job http://piwigo.org/ext/extension_view.php?eid=769