[wp-trac] [WordPress Trac] #47576: Duplicate Custom Fields are created in new post

[WordPress Trac]

#47576: Duplicate Custom Fields are created in new post
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 Reporter:  mhalamine           |       Owner:  (none)
     Type:  defect (bug)        |      Status:  new
 Priority:  normal              |   Milestone:  Awaiting Review
Component:  Options, Meta APIs  |     Version:  5.2.2
 Severity:  normal              |  Resolution:
 Keywords:  needs-patch         |     Focuses:
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Comment (by mhalamine):

 You are right about using the key twice but the issue is not here, the
 issue is that i created only one field but after i saved i got 2 identical
 entries for the same key.

 Try the following:
 Create a New Post
 Add a custom field "custom_field_1" with a value "custom_field_value_1"
 Save Draft or Publish
 ...you will now see the "custom_field_1" field repeated twice (both with a
 value of "custom_field_value_1")

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Ticket URL: <https://core.trac.wordpress.org/ticket/47576#comment:2>
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