[wp-trac] [WordPress Trac] #54476: Improve image engine detection when output format adjusted with filter (example: WebP output)

[WordPress Trac]

#54476: Improve image engine detection when output format adjusted with filter
(example: WebP output)
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 Reporter:  adamsilverstein                 |       Owner:  adamsilverstein
     Type:  defect (bug)                    |      Status:  assigned
 Priority:  normal                          |   Milestone:  6.1
Component:  Media                           |     Version:  5.8
 Severity:  normal                          |  Resolution:
 Keywords:  has-patch needs-testing commit  |     Focuses:
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Comment (by adamsilverstein):

 @ironprogrammer - fantastic, thanks for reproducing the testing!

 > I still don't have an environment I can test this on, but I can do a
 code review tomorrow.

 @mikeschroder I couldn't reproduce either, hence the shim [attachment
 :"shim-for-testing.diff"] which takes a platform with imagick and GD both
 supporting WebP and hacks away support for WebP in Imagick only. You can
 use this to simulate the failing environment.

 > Is it 54476.4.diff​ that should be reviewed, or the most recent revision
 of the PR?

 Those should be the same, my preference is for you to review in GitHub -
 that way you can leave comments inline directly on the code.

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Ticket URL: <https://core.trac.wordpress.org/ticket/54476#comment:29>
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