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web1916/redlock-php
===================

Redis distributed locks in PHP

2.0.1(4y ago)015MITPHPPHP ~5.4

Since Mar 6Pushed 4y agoCompare

[ Source](https://github.com/web1916/redlock-php)[ Packagist](https://packagist.org/packages/web1916/redlock-php)[ Fund](https://opencollective.com/redlock-php)[ Patreon](https://www.patreon.com/ronnylt)[ RSS](/packages/web1916-redlock-php/feed)WikiDiscussions master Synced 1mo ago

READMEChangelogDependenciesVersions (5)Used By (0)

RedLock – Redis distributed locks in PHP
========================================

[](#redlock--redis-distributed-locks-in-php)

Based on [Redlock-rb](https://github.com/antirez/redlock-rb) by [Salvatore Sanfilippo](https://github.com/antirez)

This library implements the Redis-based distributed lock manager algorithm [described in this blog post](http://antirez.com/news/77).

To create a lock manager:

```
$servers = [
    ['127.0.0.1', 6379, 0.01],
    ['127.0.0.1', 6389, 0.01],
    ['127.0.0.1', 6399, 0.01],
];

$redLock = new RedLock($servers);
```

To acquire a lock:

```
$lock = $redLock->lock('my_resource_name', 1000);
```

Where the resource name is an unique identifier of what you are trying to lock and 1000 is the number of milliseconds for the validity time.

The returned value is `false` if the lock was not acquired (you may try again), otherwise an array representing the lock is returned, having three keys:

```
Array
(
    [validity] => 9897.3020019531
    [resource] => my_resource_name
    [token] => 53771bfa1e775
)
```

- validity, an integer representing the number of milliseconds the lock will be valid.
- resource, the name of the locked resource as specified by the user.
- token, a random token value which is used to safe reclaim the lock.

To release a lock:

```
    $redLock->unlock($lock)
```

It is possible to setup the number of retries (by default 3) and the retry delay (by default 200 milliseconds) used to acquire the lock.

The retry delay is actually chosen at random between `$retryDelay / 2` milliseconds and the specified `$retryDelay` value.

**Disclaimer**: As stated in the original antirez's version, this code implements an algorithm which is currently a proposal, it was not formally analyzed. Make sure to understand how it works before using it in your production environments.

###  Health Score

27

—

LowBetter than 49% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity6

Limited adoption so far

Community11

Small or concentrated contributor base

Maturity61

Established project with proven stability

 Bus Factor1

Top contributor holds 58.3% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~795 days

Total

4

Last Release

1707d ago

Major Versions

1.0.1 → 2.0.02021-09-14

### Community

Maintainers

![](https://www.gravatar.com/avatar/56666ae6761a3d6d3fb715ecaf7436ce89927e2e53f7b400066c3626e5b14329?d=identicon)[web1916](/maintainers/web1916)

---

Top Contributors

[![ronnylt](https://avatars.githubusercontent.com/u/24546?v=4)](https://github.com/ronnylt "ronnylt (7 commits)")[![web1916](https://avatars.githubusercontent.com/u/13326117?v=4)](https://github.com/web1916 "web1916 (2 commits)")[![joni2back](https://avatars.githubusercontent.com/u/2049935?v=4)](https://github.com/joni2back "joni2back (1 commits)")[![sp-ronny-lopez](https://avatars.githubusercontent.com/u/6653187?v=4)](https://github.com/sp-ronny-lopez "sp-ronny-lopez (1 commits)")[![zeroasterisk](https://avatars.githubusercontent.com/u/23422?v=4)](https://github.com/zeroasterisk "zeroasterisk (1 commits)")

### Embed Badge

![Health badge](/badges/web1916-redlock-php/health.svg)

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