[wp-trac] [WordPress Trac] #45121: wp_update_post() can modify post tag

[WordPress Trac]

#45121: wp_update_post() can modify post tag
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 Reporter:  kaggdesign         |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Posts, Post Types  |     Version:  4.9.8
 Severity:  normal             |  Resolution:
 Keywords:                     |     Focuses:
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Comment (by kaggdesign):

 If several tags with same name exist, and post has one of such tags, then
 `wp_update_post()` will modify tag assigned to post.

 This is caused by `$post = get_post($postarr['ID'], ARRAY_A);` in
 `wp_update_post()`, which returns `'tags_input'` as strings, not ids.

 We fix the issue by adding conversion of strings in `'tags_input'` to ids.
 )

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Ticket URL: <https://core.trac.wordpress.org/ticket/45121#comment:3>
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