[wp-trac] [WordPress Trac] #11424: Loops can develop in the post_parent hierarchy

[WordPress Trac]

#11424: Loops can develop in the post_parent hierarchy
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 Reporter:  mdawaffe      |       Owner:  westi                  
     Type:  defect (bug)  |      Status:  accepted               
 Priority:  normal        |   Milestone:  3.0                    
Component:  General       |     Version:  2.9                    
 Severity:  normal        |    Keywords:  has-patch needs-testing
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Comment(by hakre):

 '''Patch file is broken.'''

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 In ''wp_insert_post()'' there are done some validation checks on post_ID
 and post_parent. Setting the post's parent to the post itself (Post can't
 be its own parent) and the parent post post's parent (grandparent) to the
 the post itself  (Check for circular dependency).

 Both checks are only half-way implemented because they only work in case
 that a post is updated and not for creation.

 So technically you can create posts will loose their parent on the next
 update (parent set to 0 on update).

 Looks like a concept is missing on post_parent. On a new blog you can
 create A Post that will have the parent to it's own if you know the next
 post_ID which is not that hard to guess.

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Ticket URL: <http://core.trac.wordpress.org/ticket/11424#comment:4>
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