[wp-trac] [WordPress Trac] #7267: Infinite recursion in get_category_parents() and _children()

[WordPress Trac]

#7267: Infinite recursion in get_category_parents() and _children()
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 Reporter:  tellyworth  |       Owner:  anonymous             
     Type:  defect      |      Status:  new                   
 Priority:  normal      |   Milestone:  2.6                   
Component:  General     |     Version:                        
 Severity:  normal      |    Keywords:  has-patch irish-coffee
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 These two functions can get stuck in a recursion loop if there's an
 indirect category hierarchy loop like A -> B -> C -> A.

 The patch keeps track of traversed IDs and prevents repetition - there's a
 name for the algorithm but it escapes me.  It increases memory usage but
 probably not too much - certainly less than infinite recursion does.

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Ticket URL: <http://trac.wordpress.org/ticket/7267>
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