[wp-trac] [WordPress Trac] #17817: do_action/apply_filters/etc. recursion on same filter kills underlying call

[WordPress Trac]

#17817: do_action/apply_filters/etc. recursion on same filter kills underlying call
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 Reporter:  kernfel                              |       Owner:  pento
     Type:  defect (bug)                         |      Status:  reviewing
 Priority:  normal                               |   Milestone:  4.7
Component:  Plugins                              |     Version:  2.2
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch needs-testing has-unit-    |     Focuses:
  tests                                          |
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Comment (by pento):

 Oh, good catch @noplanman. I totally forgot to update
 `WP_Hook::do_action()` to keep track of the current priority. :-)

 [attachment:17817.18.diff] fixes this, and adds unit tests.

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Ticket URL: <https://core.trac.wordpress.org/ticket/17817#comment:200>
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