[wp-trac] [WordPress Trac] #34437: The image_downsize filter in wp_prepare_attachment_for_js throws an undefined offset notice.

[WordPress Trac]

#34437: The image_downsize filter in wp_prepare_attachment_for_js throws an
undefined offset notice.
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 Reporter:  justinbusa    |       Owner:  joemcgill
     Type:  defect (bug)  |      Status:  accepted
 Priority:  normal        |   Milestone:  4.7
Component:  Media         |     Version:  4.3.1
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Changes (by joemcgill):

 * keywords:  has-patch reporter-feedback => has-patch
 * status:  reviewing => accepted
 * milestone:  Awaiting Review => 4.7


Comment:

 [attachment:34437.diff] iterates on [attachment:image_downsize.patch] to
 use `empty()` instead of `! isset()` to avoid skipping over instances
 where `$downsize[3]` has been set to `false`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34437#comment:4>
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