[wp-trac] [WordPress Trac] #53102: Incorrect documentation for delete_{$meta_type}_meta and deleted_{$meta_type}_meta filter hooks

[WordPress Trac]

#53102: Incorrect documentation for delete_{$meta_type}_meta and
deleted_{$meta_type}_meta filter hooks
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 Reporter:  pputzer       |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  5.4
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  docs
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Comment (by pputzer):

 On further investigation, the issue may stem at least partially from the
 to separate uses of the hook in `delete_metadata` and
 `delete_metadata_by_mid`. The latter uses `get_metadata_by_mid` to
 retrieve the current values before deleting the metadata. The meta value
 is still not serialized, though.

 I think the best solution would be to read the actual meta values in
 `delete_metadata` as well.

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Ticket URL: <https://core.trac.wordpress.org/ticket/53102#comment:1>
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