roundcubemail/program/lib/Roundcube/rcube_imap_generic.php
public function listSubscribed($ref, $mailbox, $return_opts = array())
    {
        return $this->_listMailboxes($ref, $mailbox, true, $return_opts, null);
    }
public function listSubscribed($ref, $mailbox, $return_opts = array())
    {
        return $this->_listMailboxes($ref, $mailbox, true, $return_opts, null);
    }
public function listSubscribed ( $ ref , $ mailbox , $ return_opts = array ( ) ) { return $ this -> _listMailboxes ( $ ref , $ mailbox , true , $ return_opts , null ) ; }
Returns list of subscribed mailboxes

@param string $ref         Reference name
@param string $mailbox     Mailbox name
@param array  $return_opts (see self::_listMailboxes)

@return array|bool List of mailboxes or hash of options if STATUS/MYROGHTS response
is requested, False on error.
Returns list of subscribed mailboxes