UBB.threads PHP Forum Software Community Forums UBB.threads 7 Version 7 Support [DEMO] iPhone image rotation by exif data

The images in this set of three posts were taken by an iPhone.


UBB.threads 7.7.2 and older
Without JPEG image orientation fixes

IMAGE 1 ORIENTATION with GD2
Firefox: Wrong
Chrome: Wrong
Safari: Wrong
Edge: Wrong.

vs

IMAGE 2 ORIENTATION with ImageMagick
Firefox: Wrong
Chrome: Wrong
Safari: Good, but displays incorrectly in Lightbox viewer because of wrong EXIF data.
Edge: Wrong

UBBCentral does not have the PHP exif_read_data function installed/enabled (uncommon).
https://www.php.net/manual/en/function.exif-read-data.php

This is a demo of what happens in that case.


UBB.threads 7.7.3 and newer, with jpeg image orientation fixes

IMAGE 1 ORIENTATION with GD2, function_exists('exif_read_data') = false
Firefox: Wrong
Chrome: Wrong
Safari: Wrong
Edge: Wrong

vs

IMAGE 2 ORIENTATION with ImageMagick, function_exists('exif_read_data') = false
Firefox: Good
Chrome: Good
Safari: Good
Edge: Good

This is a demo of the PHP exif_read_data function installed and enabled.


UBB.threads 7.7.3 and newer, with jpeg image orientation fixes

IMAGE 1 ORIENTATION with GD2, function_exists('exif_read_data') = true
Firefox: Good
Chrome: Good
Safari: Good
Edge: Good

vs

IMAGE 2 ORIENTATION with ImageMagick, function_exists('exif_read_data') = true
Firefox: Good
Chrome: Good
Safari: Good
Edge: Good

Impressive.
So this fixes orientation for any picture with the phone upright,sideways or upside down?