Exif\Location::num PHP Метод

    protected function num($part)
    {
        $parts = explode('/', $part);
        if (count($parts) <= 0) {
            return 0;
        }
        if (count($parts) == 1) {
            return $parts[0];
        }
        return floatval($parts[0]) / floatval($parts[1]);
    }