Version 4.5.0 - 2022-09-15

Added

• Promote version 6, reordered time UUIDs from the Nonstandard namespace to the Rfc4122 namespace. Version 6 UUIDs are defined in [New UUID Formats, section 5.1][version6]. While still an Internet-Draft version 6 is stable and unlikely to change in any way that breaks compatibility.
• Add support for version 7, Unix Epoch time UUIDs, as defined in [New UUID Formats, section 5.2][version7]. While still an Internet-Draft, version 7 is stable and unlikely to change in any way that breaks compatibility.
• Use Ramsey\Uuid\Uuid::uuid7() to generate version 7 UUIDs.
• Version 7 UUIDs are of type Ramsey\Uuid\Rfc4122\UuidV7.
• The constant Ramsey\Uuid\Uuid::UUID_TYPE_UNIX_TIME exists for version 7 UUIDs.
• Add Ramsey\Uuid\Converter\Time\UnixTimeConverter and Ramsey\Uuid\Generator\UnixTimeGenerator to support version 7 UUID generation.
• Add support for [max UUIDs][] through Ramsey\Uuid\Uuid::MAX and Ramsey\Uuid\Rfc4122\MaxUuid.

Changed

• The lowest version of brick/math allowed is now ^0.8.8.

Deprecated

The following will be removed in ramsey/uuid 5.0.0:

• Ramsey\Uuid\Nonstandard\UuidV6 is deprecated in favor of Ramsey\Uuid\Rfc4122\UuidV6.
• Ramsey\Uuid\Uuid::UUID_TYPE_PEABODY; use Ramsey\Uuid\Uuid::UUID_TYPE_REORDERED_TIME instead.

Fixed

• For Ramsey\Uuid\Uuid::isValid(), Psalm now asserts the UUID is a non-empty-string when it is valid.
• Nil UUIDs are properly treated as RFC 4122 variants, and getVariant() now returns a 2 when called on a nil UUID.