src/Uuid.php
public static function create($namespace = null, $name = null)
    {
        if (null === $namespace) {
            return self::createNamespacelessUuid();
        }

        return self::createNamespacedUuid($namespace, $name);
    }
public static function create($namespace = null, $name = null)
    {
        if (null === $namespace) {
            return self::createNamespacelessUuid();
        }

        return self::createNamespacedUuid($namespace, $name);
    }
public static function create ( $ namespace = null , $ name = null ) { if ( null === $ namespace ) { return self :: createNamespacelessUuid ( ) ; } return self :: createNamespacedUuid ( $ namespace , $ name ) ; }
Returns an Uuid identifier.

@param string|null $namespace
@param string|null $name

@return string
Returns an Uuid identifier .