[wp-trac] [WordPress Trac] #42875: Registering an "array" setting for the REST API causes a "Undefined index: items" warning

[WordPress Trac]

#42875: Registering an "array" setting for the REST API causes a "Undefined index:
items" warning
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 Reporter:  perrywagle                |       Owner:  TimothyBlynJacobs
     Type:  defect (bug)              |      Status:  assigned
 Priority:  normal                    |   Milestone:  5.4
Component:  REST API                  |     Version:  4.9
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:  docs
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Comment (by kadamwhite):

 We say "meta" when we mean setting, in one comment on the latest patch;
 and for clarity it might be good to have a test that explicitly asserts we
 DON'T get a doing_it_wrong when we DO provide the items schema, though
 that may be covered implicitly by the other tests.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42875#comment:6>
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