[wp-trac] [WordPress Trac] #58458: Move the load of `array_keys` to a different level in the `WP_Hook` class

[WordPress Trac]

#58458: Move the load of `array_keys` to a different level in the `WP_Hook` class
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 Reporter:  bor0                                 |       Owner:  (none)
     Type:  enhancement                          |      Status:  new
 Priority:  normal                               |   Milestone:  6.4
Component:  General                              |     Version:  6.3
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch needs-testing needs-unit-  |     Focuses:
  tests                                          |  performance
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Comment (by spacedmonkey):

 @bor0 Changes seems valid to me. Is there any chance you could add some
 unit tests? So not, I would be willing to put some together.

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Ticket URL: <https://core.trac.wordpress.org/ticket/58458#comment:8>
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