[wp-trac] [WordPress Trac] #59441: Use instanceof in block_has_support

[WordPress Trac]

#59441: Use instanceof in block_has_support
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 Reporter:  spacedmonkey  |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  6.4
Component:  Editor        |     Version:  5.8
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  performance
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Comment (by spacedmonkey):

 Example profile that saves around 4ms which is around 2.5% of server time.

 https://blackfire.io/profiles/compare/c13c320b-88ec-43bf-a5fb-
 6d5902cda78e/graph

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Ticket URL: <https://core.trac.wordpress.org/ticket/59441#comment:1>
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