Reply #1 - July 31, 2011, 12:03:46 PM
Okay, after much reading I think I was right to begin with. It looks like the only time those two fields would be different are if the source wasn't a digital camera.
Let's say I decide to go through my boxes of slides, which is something I've been wanting to do for a while, and was motivated enough to include EXIF in my scans. DateTimeDigitized would be the date I actually scanned the file. DateTimeOriginal might be 10 years ago when I actually took the shot. And then there are other date fields that would hold when the file itself was modified.
Looks like with an image from a digital camera the DateTimeOriginal and DateTimeDigitized would always be the same since it's digitized at the same time as the shot is taken.
And as an aside, it's really nice that PHP has functions built in to parse IPTC and EXIF metadata.
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