[wp-trac] [WordPress Trac] #14671: Deprecate the "accepted args" argument in add_filter() and add_action()

[WordPress Trac]

#14671: Deprecate the "accepted args" argument in add_filter() and add_action()
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 Reporter:  markjaquith  |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Future Release
Component:  Plugins      |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |
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Comment (by 5ubliminal):

 Anything except the above code kills performance. Caching in a static the
 get_defined_functions()[internals] and searching the array() slows things
 by up to 10 times. Caching ReflectionFunction-> method calls' results
 slows by about 10%. Anything involving extra array slows things down.

 Reflection is blazing fast. Nothing else matches it. And PHP 5.2 has it
 for sure.

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Ticket URL: <http://core.trac.wordpress.org/ticket/14671#comment:21>
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