[wp-trac] [WordPress Trac] #54383: wp_get_attachment_thumb_file looks for $imagedata['thumb'] but wp_create_image_subsizes doesn't create this array entry

[WordPress Trac]

#54383: wp_get_attachment_thumb_file looks for $imagedata['thumb'] but
wp_create_image_subsizes doesn't create this array entry
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 Reporter:  markhowellsmead  |      Owner:  (none)
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Media            |    Version:  5.8.1
 Severity:  major            |   Keywords:
  Focuses:                   |
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 This has come up at https://github.com/WordPress/gutenberg/issues/33789.
 Calling `get_the_post_thumbnail` without the size parameter, or with the
 size parameter set explicitly to `post-thumbnail` (but not `thumbnail`),
 returns the full-size image. This is because
 `wp_get_attachment_thumb_file` looks for the array key `thumb` in the
 attachment metadata, but `wp_create_image_subsizes` doesn't generate it.

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Ticket URL: <https://core.trac.wordpress.org/ticket/54383>
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