I can't seem to figure out how to add XP_TITLE and XP_COMMENT to images
that already have some exif data. I'm able to edit the XP_TITLE and
XP_COMMENT fields if they already exist in the image (because I moved
them in PelIfd from EXIF to IFD1, but I can't add them to an image for
some reason. It just comes out as question marks. I was hoping someone
would be able to assist?
The code I'm currently using is this, but it's obviously wrong :)
$title = $ifd0->getEntry(PelTag::XP_TITLE);
if ($title != null) {
// this part works just fine if the tag is already there.
$title->setValue($exifTitle);
} else {
// this part doesn't work.
$newTitle = new PelEntryUndefined(PelTag::XP_TITLE, $exifTitle);
$ifd0->addEntry($newTitle);
}
Thanks in advance!
Garrison
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