[wp-trac] [WordPress Trac] #41949: Allow multiple values for the same meta key to be passed to `wp_insert_post()`

[WordPress Trac]

#41949: Allow multiple values for the same meta key to be passed to
`wp_insert_post()`
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 Reporter:  desrosj            |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Posts, Post Types  |     Version:  4.4
 Severity:  normal             |  Resolution:
 Keywords:  has-patch          |     Focuses:
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Comment (by TimothyBlynJacobs):

 You can take a look at `register_meta` it has a `single` flag which
 indicates the opposite, but could be used for this purpose. I think you'd
 also have to correlate it with the registered type.

 There could still be backwards compatibility concerns if someone has a
 `registeer_meta` key that is single => false, with an array value, and is
 passing the value to `meta_input`. You would need to be careful that the
 array doesn't get broken up into multiple rows, but is still stored as a
 single row.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41949#comment:11>
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