class Label

class Label {
    
    /**
     * 0 is reserved for errors
     *
     * Generated from protobuf enum <code>LABEL_OPTIONAL = 1;</code>
     */
    const LABEL_OPTIONAL = 1;
    
    /**
     * Generated from protobuf enum <code>LABEL_REQUIRED = 2;</code>
     */
    const LABEL_REQUIRED = 2;
    
    /**
     * Generated from protobuf enum <code>LABEL_REPEATED = 3;</code>
     */
    const LABEL_REPEATED = 3;
    private static $valueToName = [
        self::LABEL_OPTIONAL => 'LABEL_OPTIONAL',
        self::LABEL_REQUIRED => 'LABEL_REQUIRED',
        self::LABEL_REPEATED => 'LABEL_REPEATED',
    ];
    public static function name($value) {
        if (!isset(self::$valueToName[$value])) {
            throw new UnexpectedValueException(sprintf('Enum %s has no name defined for value %s', __CLASS__, $value));
        }
        return self::$valueToName[$value];
    }
    public static function value($name) {
        $const = __CLASS__ . '::' . strtoupper($name);
        if (!defined($const)) {
            throw new UnexpectedValueException(sprintf('Enum %s has no value defined for name %s', __CLASS__, $name));
        }
        return constant($const);
    }

}