[wp-trac] [WordPress Trac] #33995: Clarify the expected return values of the pre_http_request filter

[WordPress Trac]

#33995: Clarify the expected return values of the pre_http_request filter
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 Reporter:  johnbillion     |      Owner:
     Type:  task (blessed)  |     Status:  new
 Priority:  normal          |  Milestone:  4.4
Component:  HTTP API        |    Version:
 Severity:  normal          |   Keywords:
  Focuses:  docs            |
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 I've seen several instances where the `pre_http_request` filter is used,
 and its return value is set to something other than a `WP_Error` or an
 array that looks like an HTTP API response. Returning such values (for
 example, boolean `true`) results in unexpected behaviour, so the
 documentation should be updated to clarify this.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33995>
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