[wp-trac] [WordPress Trac] #41973: HTTP Error when uploading images on PHP 7.1.7

[WordPress Trac]

#41973: HTTP Error when uploading images on PHP 7.1.7
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 Reporter:  robhindle          |       Owner:  joemcgill
     Type:  defect (bug)       |      Status:  reopened
 Priority:  high               |   Milestone:  Awaiting Review
Component:  Media              |     Version:
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by cmb42):

 I have a very similar problem, except different env:
 WP 4.1.9
 PHP Version 5.6.28
 Detailed explanation: https://wordpress.org/support/topic/upload-http-
 error-file-uploads-wp-breaks/

 Summary:
 JPG Files larger than error threshold of about 537 kb (+/- about 10 kb,
 actual threshold unknown) will not display or create thumbnails or other
 sized files in media library. These “large files” get loaded correctly on
 server, but display only default grey thumbnail of sheet of paper with
 folded corner. Also displays “HTTP error” message at time of upload.

 Large photos can be deleted correctly from media lib. Metadata can be
 edited.

 Large photos can be used to build pages and will display in editor when
 selected from media lib.

 Page Editing: When resizing in the page editor, photo immediately returns
 to previous size in editor, but will display as resized in preview. Same
 behavior when resized using direct number input of pixel size.

 Had another wp installation on this server previously (ver 3.x) without
 these problems.

 Any help would be appreciated and welcome.

 Cliff B.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41973#comment:29>
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