Snowflake

Please Note that this is not concurrency-safe.

Global ID generator based on Twitter Snowflake.

The generated ID is structured 64 bit integer:

 0           41     51     64
 +-----------+------+------+
 |timestamp  |worker|seq   |
 +-----------+------+------+

timestamp is 41 bit integer presents milliseconds since 11/04/2010 01:42:54.657 GMT.

worker is 10 bit integer presents worker ID the generator is running on

seq is 12 bit integer presents incremental sequence per millisecond

Installation

First add this repo to composer.json:

{
    "repositories": [
        {
            "type": "vcs",
            "url": "https://github.com/ieu/snowflake-php"
        }
    ]
}

Then install it through composer:

composer require ieu/snowflake:dev-master

Usage

require __DIR__ . '/vendor/autoload.php';

use Ieu\Snowflake\Snowflake;

$datacenterId = 1;
$workerId = 1;

$snowflake = new Snowflake($datacenterId, $workerId);

// Getting Id
$id = $snowflake->nextId();

Tests

./vendor/bin/phpunit