[wp-trac] [WordPress Trac] #41159: REST API: Add a way to determine if a request is an embedded "sub-request"

[WordPress Trac]

#41159: REST API: Add a way to determine if a request is an embedded "sub-request"
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 Reporter:  jnylen0                       |       Owner:
     Type:  enhancement                   |      Status:  new
 Priority:  normal                        |   Milestone:  Future Release
Component:  REST API                      |     Version:  4.4
 Severity:  normal                        |  Resolution:
 Keywords:  needs-patch needs-unit-tests  |     Focuses:  rest-api
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Comment (by jnylen0):

 Found a bug in our current approach today: `rest_request_before_callbacks`
 will be triggered (perhaps multiple times) for every `rest_do_request`
 call, but there is no filter to use at the *end* of this call chain.  So
 any usage of `rest_do_request` will probably break this code.

 The cleanest solution I can think of is as described in the ticket.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41159#comment:3>
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