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Laravel Snowflake

A Laravel wrapper of PHP Snowflake to provide a simple, opinionated implementation of Snowflake IDs for your eloquent models.

Introduction

The laravel-snowflake package provides a seamless way to generate unique, time-ordered, distributed IDs within your Laravel application. Unlike traditional auto-incrementing IDs, Snowflake IDs offer several advantages: they eliminate ID collisions across distributed systems, enhance horizontal scalability, and prevent predictable sequential exposure of database records. Compared to UUIDs and ULIDs, Snowflake IDs are shorter, visually appealing, and easier to write out, making them ideal for public identifiers. This package integrates smoothly with Laravel, offering microsecond precision while ensuring high-performance, conflict-free ID generation across multiple clusters and workers. 🚀

Installation

Documentation

Preparing your schema:

You'll want to make sure that your model's primary key does not autoincrement. Autoincrement is automatically added when you use $table->id(); so go ahead and switch this out:

Integrating with you models:

Next you'll want to add the HasSnowflake trait to your models. This trait this will handle all aspects of a snowflake ID including:

• Automatically setting the id to a Snowflake ID
• Configuring the cast for id to string
• Disabling increments on the model
• Configuring the keyType to string

This can be done as simple as:

You're all set.

Concurrency

The package includes a LaravelSequenceResolver for PHP Snowflake, which utilizes a cache repository to manage the generation of multiple concurrent IDs within the same microsecond.

You can configure various cache-related options, such as:

• The cache store (snowflakes.sequencing.store)
• Cache prefix (snowflakes.sequencing.prefix)
• Cache lock expiry (snowflakes.sequencing.expiry)
• Cache lock wait time (snowflakes.sequencing.wait)

These settings allow for proper handling of concurrent ID generation in distributed environments.

Testing

In unit testing scenarios, you may want to generate sequential, predictable IDs, similar to traditional auto-incrementing IDs.

By enabling the snowflakes.testing configuration setting, the standard SnowflakeIdentifierResolver is automatically swapped with a SequentialIdentifierResolver. This generates IDs that are realistic in length and follow a standard auto-incrementing pattern.

When in testing mode, Snowflake IDs can be grouped using the $group argument in the BradieTilley\Snowflakes\SnowflakeGenerator::make()->id($group) or BradieTilley\Snowflake\Snowflake::id($group) methods. The $group is automatically set to the respective model class name.

For example, both Product::create() and User::create() generate an ID of 9000000000000000001, then 9000000000000000002, then 9000000000000000003 and so-on.

Author

• Bradie Tilley