[wp-trac] [WordPress Trac] #44304: API will create PHP warning and thus break code on empty category

[WordPress Trac]

#44304: API will create PHP warning and thus break code on empty category
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 Reporter:  apermo        |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  REST API      |     Version:  4.9.6
 Severity:  minor         |  Resolution:
 Keywords:  needs-patch   |     Focuses:
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Changes (by swissspidy):

 * keywords:   => needs-patch


Comment:

 We could also use `is_iterable()` now, see #43619.

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Ticket URL: <https://core.trac.wordpress.org/ticket/44304#comment:1>
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