[wp-trac] [WordPress Trac] #35658: Provide additional data for registered meta through register_meta()

[WordPress Trac]

#35658: Provide additional data for registered meta through register_meta()
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 Reporter:  jeremyfelt                           |       Owner:  helen
     Type:  task (blessed)                       |      Status:  accepted
 Priority:  high                                 |   Milestone:  4.6
Component:  Options, Meta APIs                   |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  needs-unit-tests needs-testing has-  |     Focuses:
  patch rest-api needs-dev-note                  |
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Comment (by jeremyfelt):

 Replying to [comment:114 jtsternberg]:
 > Retrofitting the existing type parameter w/ optional colon-separated-
 sub-type makes a ton of sense to me.

 This has become a lot more appealing to me in the last 24 hours. I've
 attached [attachment:35658.44.diff], which starts to make that conversion.
 The handling of `$object_type` into a base/sub type is a little rough, but
 all tests are passing.

 `register_meta( 'post:post', 'my_meta_key' );`

 Replying to [comment:95 jeremyfelt]:
 > * We should consider removing `object_subtype` key from the meta key
 array. It doesn't really serve a purpose as its used to build the array
 containing the meta key instead.

 This is another side effect of collapsing the array, which makes me happy
 as well.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35658#comment:115>
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