phpbb/phpbb — pull request #2212 by marc1706 (2014-03-30 11:07:56+00:00)
Title: [ticket/12150] Automatically prune shadow topics

Automatically prune shadow topics per forum after a given timeframe using a cronjob. Admins will be able to define a given timeframe in days after which shadow topics should be deleted and a frequency for pruning them.

Ticket: http://tracker.phpbb.com/browse/PHPBB3-12150