public function deleteThreads()
{
$deleteDate = strtotime('-365 days');
$threads = $this->_getDb()->fetchAll("
SELECT * FROM xf_thread
WHERE last_post_date < ?
", $deleteDate);
foreach ($threads AS $thread)
{
$this->getModelFromCache('XenForo_Model_Thread')->deleteThread($thread['thread_id'], 'hard');
XenForo_Helper_Cookie::clearIdFromCookie($thread['thread_id'], 'inlinemod_threads');
}
}