DBA::update('thread', ['author-id' => $new_cid], ['author-id' => $old_cid]);
DBA::update('thread', ['owner-id' => $new_cid], ['owner-id' => $old_cid]);
} else {
DBA::update('thread', ['author-id' => $new_cid], ['author-id' => $old_cid]);
DBA::update('thread', ['owner-id' => $new_cid], ['owner-id' => $old_cid]);
} else {