[wp-trac] [WordPress Trac] #28212: determine_current_user filter with priority <10 gets overridden

[WordPress Trac]

#28212: determine_current_user filter with priority <10 gets overridden
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 Reporter:  rmccue        |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  3.9
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Introduced in #26706.

 `wp_validate_auth_cookie` was shoehorned into this filter, and as such,
 doesn't return what the filter expects. On any error at all, it returns
 `false`, even if the "error" is that the cookie isn't set. If a function
 hooked into a lower priority (i.e. <10) returns a user ID, this will then
 be overridden by the built-in auth cookie.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28212>
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