[wp-trac] [WordPress Trac] #45804: Make WP_Hook gather callback performance information

[WordPress Trac]

#45804: Make WP_Hook gather callback performance information
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 Reporter:  Rarst        |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Plugins      |     Version:
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:  performance
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Comment (by Rarst):

 Define complex and we'll just test it on (eventual) proof of concept?..
 Why guess about something that can be measured?

 As above on 50K callbacks overhead was noticeable ''for always-on
 purposes'', but hardly critical or likely to crash.

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Ticket URL: <https://core.trac.wordpress.org/ticket/45804#comment:5>
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