protected function _checkSelected(array $options, $selectedVal)
    {
        if (!empty($selectedVal) && !Arr::key($selectedVal, $options)) {
            $selectedVal = self::KEY_NO_EXITS_VAL;
            $options = array_merge(array(self::KEY_NO_EXITS_VAL => $this->_translate('No exits')), $options);
        }

        return array($options, $selectedVal);
    }