[wp-trac] [WordPress Trac] #42094: REST API: extend _fields parameter to selectively include nested fields in response JSON

[WordPress Trac]

#42094: REST API: extend _fields parameter to selectively include nested fields in
response JSON
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 Reporter:  kadamwhite                           |       Owner:  kadamwhite
     Type:  enhancement                          |      Status:  assigned
 Priority:  normal                               |   Milestone:  5.3
Component:  REST API                             |     Version:  4.9
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch dev-feedback needs-        |     Focuses:
  testing has-unit-tests                         |
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Comment (by TimothyBlynJacobs):

 FWIW, I think extracting those as generic array utilities would be
 immensely helpful. I've had to implement similar things in other contexts,
 and having core functions for that would be helpful.

 Perhaps the filtering by dotted fields could be a part of `WP_List_Util`?
 And then extract `is_field_included` into a standalone function?

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Ticket URL: <https://core.trac.wordpress.org/ticket/42094#comment:13>
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