[wp-trac] [WordPress Trac] #14602: Create user_can, refactor current_user_can, author_can, current_user_can_for_blog

[WordPress Trac]

#14602: Create user_can, refactor current_user_can, author_can,
current_user_can_for_blog
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 Reporter:  simonwheatley  |       Owner:                         
     Type:  enhancement    |      Status:  new                    
 Priority:  normal         |   Milestone:  Awaiting Review        
Component:  Users          |     Version:  3.0.1                  
 Severity:  normal         |    Keywords:  has-patch needs-testing
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 Currently we have no function to pass a user ID and a capability/rolewhich
 will return whether the user can perform that role or has that capability.
 Further, the functions {{{current_user_can}}}, {{{author_can}}}, and
 {{{current_user_can_for_blog}}} have some code duplication.

 I suggest adding a new function {{{user_can}}}, which accepts any user_ID
 or a user object and a capability, and returns a boolean. The other
 {{{*_can*}}} functions can then be refactored to use the new function.

 See attached patch.

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Ticket URL: <http://core.trac.wordpress.org/ticket/14602>
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