[wp-trac] [WordPress Trac] #38765: Argument in registered_taxonomy hook is lost.

[WordPress Trac]

#38765: Argument in registered_taxonomy hook is lost.
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 Reporter:  Toro_Unit     |       Owner:  swissspidy
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  4.7
Component:  Taxonomy      |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:  docs
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Comment (by peterwilsoncc):

 `ArrayAccess` knocks out the use of `array_merge()` and a bunch of other
 array functionality. As that's the raison d'etre for `$args` arrays, I'm
 hesitant to do anything other than cast to an array before passing to the
 filter. The backcompat implications are too big.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38765#comment:11>
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