[wp-trac] [WordPress Trac] #39630: PDF Thumbnails in Media Library Don't Fall Back to Full Size

[WordPress Trac]

#39630: PDF Thumbnails in Media Library Don't Fall Back to Full Size
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 Reporter:  daleharrison        |      Owner:
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Media               |    Version:  4.7
 Severity:  normal              |   Keywords:
  Focuses:  ui, administration  |
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 When previewing uploaded files in the Media Library, image thumbnails fall
 back to displaying the full size image when the option `medium_size_h` is
 set to `0` (the `0` setting is used to stop WordPress generating thumbs at
 that size).

 The same functionality does not work for uploaded PDFs, instead displaying
 `wp-includes/images/media/document.png` in their place. The full-size
 thumbnail is generated, but not used.

 The '''Attachment Details''' modal window successfully falls back to the
 full size image when previewing a PDF under the same circumstances.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39630>
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