[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:  westonruter
     Type:  enhancement       |      Status:  closed
 Priority:  normal            |   Milestone:  6.3
Component:  General           |     Version:
 Severity:  normal            |  Resolution:  fixed
 Keywords:  has-patch commit  |     Focuses:  performance, coding-standards
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Comment (by westonruter):

 Also opened a [https://github.com/WordPress/gutenberg/pull/50723 PR for
 Gutenberg] to apply the same change.

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Ticket URL: <https://core.trac.wordpress.org/ticket/58323#comment:10>
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