Horde_ActiveSync_Imap_Adapter::_mailboxExists PHP Method

    protected function _mailboxExists($mbox)
    {
        $mailboxes = $this->_imap->getMailboxes(true);
        foreach ($mailboxes as $mailbox) {
            if ($mailbox['ob']->utf8 == $mbox) {
                return true;
            }
        }
        return false;
    }