[wp-trac] [WordPress Trac] #21876: unregister_default_headers() will sometimes return null

[WordPress Trac]

#21876: unregister_default_headers() will sometimes return null
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 Reporter:  conner_bw               |       Owner:
     Type:  defect (bug)            |      Status:  new
 Priority:  normal                  |   Milestone:  3.9
Component:  Appearance              |     Version:  3.4.2
 Severity:  minor                   |  Resolution:
 Keywords:  has-patch dev-feedback  |     Focuses:
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Comment (by obenland):

 I'm usually  always in support of functions returning a single data type.
 But in this case I wonder if it wouldn't be a legitimate case of having
 two types, `bool|void`.

 What is gained by having the function return `true` as soon as we have one
 successful removal of a number of header to be removed? Would you want the
 function to return true if one header was removed, but the other 5 that
 you passed weren't?

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Ticket URL: <https://core.trac.wordpress.org/ticket/21876#comment:6>
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