[wp-trac] [WordPress Trac] #40787: REST API: Attempts to output headers without confirming headers have not been sent

[WordPress Trac]

#40787: REST API: Attempts to output headers without confirming headers have not
been sent
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 Reporter:  kraftbj       |       Owner:  jnylen0
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  4.8
Component:  REST API      |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:  rest-api
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Comment (by dd32):

 What scenario's would these headers be output, after the output has
 started in a rest context? Is it embedded responses? It's not clear how
 one would reproduce this other than outputting something before the rest
 api does.

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Ticket URL: <https://core.trac.wordpress.org/ticket/40787#comment:6>
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