[wp-trac] [WordPress Trac] #58323: Use static closures whenever $this is not used to avoid memory leaks

[WordPress Trac]

#58323: Use static closures whenever $this is not used to avoid memory leaks
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 Reporter:  westonruter  |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  General      |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:  performance, coding-standards
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Changes (by jrf):

 * keywords:  has-patch has-unit-tests => has-patch
 * focuses:  performance => performance, coding-standards


Comment:

 I've left a detailed review on the PR.

 Summary:
 * Making closures which don't use `$this` `static` is a good improvement.
 * Including the Slevomat sniff is out of the question.

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Ticket URL: <https://core.trac.wordpress.org/ticket/58323#comment:2>
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