[wp-trac] [WordPress Trac] #11018: display_page_row loops forever

[WordPress Trac]

#11018: display_page_row loops forever
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 Reporter:  hailin        |       Owner:  hailin     
     Type:  defect (bug)  |      Status:  new        
 Priority:  normal        |   Milestone:  2.9        
Component:  Template      |     Version:  2.7        
 Severity:  normal        |    Keywords:  needs-patch
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Comment(by hailin):

 I agree that we should try to prevent the loop from forming in the first
 place.
 where is the code that handles page parent_id update?

 _get_post_ancestors() can not detect loops involving multiple hops.
 It only makes sure post ID and parent_id are not the same. So we can not
 rely on it.
 I think the loop breaking logic in the original patch is solid.

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Ticket URL: <http://core.trac.wordpress.org/ticket/11018#comment:6>
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