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Vendor kissous
Package uuid7
Short Description Lightweight, dependency-free PHP library to generate and handle time-ordered identifiers: UUIDv7 (RFC 9562) and ULID.
License MIT
Homepage https://github.com/Kissous/uuid7

Keywords uuid identifier guid ulid rfc9562 uuidv7 uuid7 time-ordered

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Informations about the package uuid7

uuid7

Lightweight, dependency-free PHP library to generate and handle time-ordered identifiers: UUIDv7 (RFC 9562), with ULID support coming next.

Built for database indexing performance: UUIDv7 values are sorted by time, which avoids B-tree index fragmentation (unlike random UUIDv4 values).

Why uuid7?

Zero dependencies beyond the PHP standard library
Crypto-secure: randomness from random_bytes() only
Time-ordered: sequential inserts, compact B-tree indexes
Monotonic: values generated by a single process within the same millisecond are strictly increasing
Tiny API, focused on UUIDv7 (then ULID)
PHP 8.3+: final, readonly, immutable value objects
RFC 9562 compliant

Installation

Requires PHP 8.3 or higher.

Quick start

Roadmap

Version	Contents
v1.0	UUIDv7: `generate`, `fromString`, `toString`, validation
v1.1	Monotonicity within the same millisecond
v1.2	`timestamp()`, `equals()`, `compareTo()`
v1.3	`toBytes/fromBytes`, `toHex/fromHex`, `toBase32/fromBase32`
v1.4	Full ULID support + UUIDv7 ↔ ULID conversion
v1.5	Injectable `Clock` / `RandomSource`, `Uuid7Factory`
v1.6	Integrations: `kissous/uuid7-doctrine`, `kissous/uuid7-eloquent`

Per-version details in docs/roadmap/.

Development

License

All versions of uuid7 with dependencies

PHP Build Version

Package Version

Version v1.1.1 Release 31. May 2026
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Requires php Version ^8.3

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