[wp-trac] [WordPress Trac] #15338: Use global $current_screen within the List Tables classes

[WordPress Trac]

#15338: Use global $current_screen within the List Tables classes
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 Reporter:  westi           |       Owner:             
     Type:  defect (bug)    |      Status:  new        
 Priority:  normal          |   Milestone:  3.1        
Component:  Administration  |     Version:  3.1        
 Severity:  normal          |    Keywords:  needs-patch
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 At the moment WP_List_Table caches a local copy of the screen object
 rather than using the pre-existing global.

 This gives the potential for them to get out of sync.

 We should just use the one location for this data.

 Either always referencing the global or probably better using
 get_current_screen() in each function that needs the screen object.

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Ticket URL: <http://core.trac.wordpress.org/ticket/15338>
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