[wp-trac] [WordPress Trac] #43941: Add default value to register meta

[WordPress Trac]

#43941: Add default value to register meta
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 Reporter:  spacedmonkey                         |       Owner:
                                                 |  TimothyBlynJacobs
     Type:  enhancement                          |      Status:  reopened
 Priority:  normal                               |   Milestone:  5.5
Component:  Options, Meta APIs                   |     Version:  4.6
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch has-unit-tests needs-dev-  |     Focuses:  rest-api
  note                                           |
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Comment (by TimothyBlynJacobs):

 Looking at the `$object_id` and `$single` parameters, while they are
 listed as optional in the function signature, they don't actually seem to
 be optional to me.

 The `$object_id` parameter is needed to retrieve the subtype for an
 object. So omitting it wouldn't allow you to get the correct value for any
 of the built-in types.

 The `$single` parameter defaults to `false`, but it isn't actually
 optional.

 So it seems like we could safely make all those parameters optional and
 then match the order of the other functions.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43941#comment:86>
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