Boone Gorges c67e5da8c9 Introduce 'childless' parameter to get_terms().
This new parameter allows developers to limit queried terms to terminal nodes -
ie, those without any descendants.

As part of the improvement, some internal logic in `get_terms()` has been
consolidated. Parameters that resolve to a NOT IN clause containing term IDs
('exclude', 'exclude_tree', and 'childless') are now parsed into a single
"exclusions" array before the SQL clause is generated.

Props theMikeD, horike.
Fixes #29839.

git-svn-id: https://develop.svn.wordpress.org/trunk@31275 602fd350-edb4-49c9-b593-d223f7449a82
2015-01-24 18:47:30 +00:00
2014-08-21 02:53:16 +00:00
2014-12-17 17:37:16 +00:00
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