[nycphp-talk] JPEGs and metadata
Bill Lovett
bill at ilovett.com
Sun Apr 11 21:09:27 EDT 2004
From http://us4.php.net/manual/en/function.exif-read-data.php
"Exif headers tend to be present in JPEG/TIFF images generated by
digital cameras, but unfortunately each digital camera maker has a
different idea of how to actually tag their images, so you can't always
rely on a specific Exif header being present."
But further down it also mentions the "Exif 2.10 standard".
I know you can read the metadata via php, not sure about writing it.
-bill
Marc Antony Vose wrote:
> Hi there:
>
> This really only marginally has anything to do with PHP, although I will
> want to read this stuff in PHP.
>
> I know Photoshop (and other image editors) are capable of adding
> metadata to images, kind of like ID3 tags, but I'm not sure if that is
> proprietary. I've done a bit of research, and I can't seem to tell if
> there is an industry standard for this sort of thing.
>
> I need to build multiple galleries as part of an archival project, and
> normally I have been storing credit/caption/copyright as separate data
> in a database or a serialized text file, but I am wondering if there is
> a way I can just tag that data onto the file itself? It seems to me
> that would be much slicker, in some ways...
>
> Any thoughts?
>
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