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

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Thu Sep 8 11:23:35 UTC 2016


#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:  closed
 Priority:  normal                                  |   Milestone:  4.7
Component:  Plugins                                 |     Version:  2.2
 Severity:  normal                                  |  Resolution:  fixed
 Keywords:  has-patch needs-testing has-unit-tests  |     Focuses:
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Comment (by dougwollison):

 Replying to [comment:218 noplanman]:
 > @jacobsantos
 >
 > > I still think it is funny that this whole thing could be solved with
 one line
 >
 > For learning sake, what fix are you referring to?
 > One line really isn't a big change and I'd really like to understand how
 it would fix this issue properly.

 If I had to guess, something like what me and others have proposed over
 the years in our duplicate tickets. Namely, copying the hooks list for a
 tag to a new variable and iterating over that. But it's been pointed out
 there are apparently performance issues with that solution.

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Ticket URL: <https://core.trac.wordpress.org/ticket/17817#comment:219>
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