[wp-trac] Re: [WordPress Trac] #7846: do_action and apply_filter should report if the user function is missing

[WordPress Trac]

#7846: do_action and apply_filter should report if the user function is missing
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 Reporter:  nbachiyski  |        Owner:  anonymous
     Type:  defect      |       Status:  new      
 Priority:  normal      |    Milestone:  2.8      
Component:  General     |      Version:           
 Severity:  normal      |   Resolution:           
 Keywords:              |  
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Comment (by DD32):

 You can call [http://trac.wordpress.org/browser/trunk/wp-
 includes/plugin.php#L74 has_filter()] to check if a function has been
 registered for a filter/action hook, Infact, calling that will require
 less code than checking for a error condition being returned.

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Ticket URL: <http://trac.wordpress.org/ticket/7846#comment:1>
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