[wp-trac] [WordPress Trac] #24461: _get_term_children can loop forever (well until it times out) if there is a loop in the hierarchy

[WordPress Trac]

#24461: _get_term_children can loop forever (well until it times out) if there is a
loop in the hierarchy
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 Reporter:  westi         |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Taxonomy      |    Version:  trunk
 Severity:  normal        |   Keywords:  needs-patch
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 {{{_get_term_children}}} call's itself recursively to build the array of
 children. If there is for some reason a loop in the hierarchy it gets
 stuck and loops for ever trying to build the list of descendents.

 Seeing as we fetch the whole hierarchy with _get_term_hierarchy we can
 probably just use that to build an array of descendents without recursion.

 Otherwise we should leverage our loop detection code to find and maybe
 break loops.

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Ticket URL: <http://core.trac.wordpress.org/ticket/24461>
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