[wp-trac] [WordPress Trac] #56745: Performance/Bug: calling array_map repeatedly inside WP_Theme_JSON::get_default_slugs is a bottleneck for page-loads.

[WordPress Trac]

#56745: Performance/Bug: calling array_map repeatedly inside
WP_Theme_JSON::get_default_slugs is a bottleneck for page-loads.
--------------------------+--------------------
 Reporter:  aristath      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  6.1
Component:  General       |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:  performance   |
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 Issue discovered when running profiling using Xdebug & webgrind. Replacing
 the `array_map` call with a simple `foreach` loop improves the page-load
 speed significantly.
 More info in the PR below.

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Ticket URL: <https://core.trac.wordpress.org/ticket/56745>
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