/**
     * recursive method to convert all arrays to an object
     *
     * @param mixed $array either an array or a string/integer
     *
     * @return array
     */
    private static function _convertToObject($array) {
        if (is_array($array)) {
            foreach ($array as $key => $value) {
                $array[$key] = self::_convertToObject($value);
            }

            return (object)$array;
        }

        return $array;
    }