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yiisoft/mutex-db-redis
======================

Yii Mutex Library - Redis Driver

1.1.0(4y ago)8225[4 PRs](https://github.com/yiisoft/mutex-redis/pulls)BSD-3-ClausePHPPHP ^7.4|^8.0CI passing

Since Aug 18Pushed 5mo ago15 watchersCompare

[ Source](https://github.com/yiisoft/mutex-redis)[ Packagist](https://packagist.org/packages/yiisoft/mutex-db-redis)[ Docs](https://www.yiiframework.com/)[ GitHub Sponsors](https://github.com/sponsors/yiisoft)[ OpenCollective](https://opencollective.com/yiisoft)[ RSS](/packages/yiisoft-mutex-db-redis/feed)WikiDiscussions master Synced today

READMEChangelogDependencies (7)Versions (8)Used By (0)

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Yii Mutex Library - Redis Driver
================================

[](#yii-mutex-library---redis-driver)

[![Latest Stable Version](https://camo.githubusercontent.com/78ed43d512b1674db8786724f5fdc4e81583b4738506c04a821a0c509141dd2e/68747470733a2f2f706f7365722e707567782e6f72672f796969736f66742f6d757465782d72656469732f76)](https://packagist.org/packages/yiisoft/mutex-redis)[![Total Downloads](https://camo.githubusercontent.com/da01b28304ac6aa9d18c34669c02f08726f94b917ac57c2fb05f19d3cbff9f40/68747470733a2f2f706f7365722e707567782e6f72672f796969736f66742f6d757465782d72656469732f646f776e6c6f616473)](https://packagist.org/packages/yiisoft/mutex-redis)[![Build status](https://github.com/yiisoft/mutex-redis/actions/workflows/build.yml/badge.svg)](https://github.com/yiisoft/mutex-redis/actions/workflows/build.yml)[![Scrutinizer Code Quality](https://camo.githubusercontent.com/c289ffadeffd67ba7b12794748527989c87fb44253c5de533b1eba8cc92d078d/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f796969736f66742f6d757465782d72656469732f6261646765732f7175616c6974792d73636f72652e706e673f623d6d6173746572)](https://scrutinizer-ci.com/g/yiisoft/mutex-redis/?branch=master)[![Code Coverage](https://camo.githubusercontent.com/56ad0f940d57a69042a4886bd2242675f3c14bd8a088dc7e4c479a1491e3fe83/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f796969736f66742f6d757465782d72656469732f6261646765732f636f7665726167652e706e673f623d6d6173746572)](https://scrutinizer-ci.com/g/yiisoft/mutex-redis/?branch=master)[![Mutation testing badge](https://camo.githubusercontent.com/6a3eb8e5a93a405461af96b791da72004389d887735d0aade899e6dacbe00f62/68747470733a2f2f696d672e736869656c64732e696f2f656e64706f696e743f7374796c653d666c61742675726c3d687474707325334125324625324662616467652d6170692e737472796b65722d6d757461746f722e696f2532466769746875622e636f6d253246796969736f66742532466d757465782d72656469732532466d6173746572)](https://dashboard.stryker-mutator.io/reports/github.com/yiisoft/mutex-redis/master)[![static analysis](https://github.com/yiisoft/mutex-redis/workflows/static%20analysis/badge.svg)](https://github.com/yiisoft/mutex-redis/actions?query=workflow%3A%22static+analysis%22)[![type-coverage](https://camo.githubusercontent.com/b14f9c469730e3dbd018fce95410e8b4969e36da322fbcae3dbd23cf517a5148/68747470733a2f2f73686570686572642e6465762f6769746875622f796969736f66742f6d757465782d72656469732f636f7665726167652e737667)](https://shepherd.dev/github/yiisoft/mutex-redis)

This library provides a Redis mutex implementation for [yiisoft/mutex](https://github.com/yiisoft/mutex).

Requirements
------------

[](#requirements)

- PHP 7.4 or higher.

Installation
------------

[](#installation)

The package could be installed with [Composer](https://getcomposer.org):

```
composer require yiisoft/mutex-redis
```

General usage
-------------

[](#general-usage)

The package provides two classes implementing `MutexInterface` and `MutexFactoryInterface`from the [yiisoft/mutex](https://github.com/yiisoft/mutex) package:

```
/**
 * @var \Predis\ClientInterface $client Predis client instance to use.
 */

$mutex = new \Yiisoft\Mutex\Redis\RedisMutex(
    'mutex-name',
    $client,
    60, // Optional. Number of seconds in which the lock will be auto released. Default is `30`.
);

$mutexFactory = new \Yiisoft\Mutex\Redis\RedisMutexFactory(
    $client,
    60, // Optional. Number of seconds in which the lock will be auto released. Default is `30`.
);
```

For more information about the client instance and connection configuration, see the documentation of the [predis/predis](https://github.com/predis/predis) package.

There are multiple ways you can use the package. You can execute a callback in a synchronized mode i.e. only a single instance of the callback is executed at the same time:

```
$synchronizer = new \Yiisoft\Mutex\Synchronizer($mutexFactory);

$newCount = $synchronizer->execute('critical', function () {
    return $counter->increase();
}, 10);
```

Another way is to manually open and close mutex:

```
$simpleMutex = \Yiisoft\Mutex\SimpleMutex($mutexFactory);

if (!$simpleMutex->acquire('critical', 10)) {
    throw new \Yiisoft\Mutex\Exception\MutexLockedException('Unable to acquire the "critical" mutex.');
}

$newCount = $counter->increase();
$simpleMutex->release('critical');
```

It could be done on lower level:

```
$mutex = $mutexFactory->createAndAcquire('critical', 10);
$newCount = $counter->increase();
$mutex->release();
```

And if you want even more control, you can acquire mutex manually:

```
$mutex = $mutexFactory->create('critical');

if (!$mutex->acquire(10)) {
    throw new \Yiisoft\Mutex\Exception\MutexLockedException('Unable to acquire the "critical" mutex.');
}

$newCount = $counter->increase();
$mutex->release();
```

The `RedisMutex` supports the "wait for a lock for a certain time" functionality. Using the `withRetryDelay()`method, you can override the number of milliseconds between each try until specified timeout times out:

```
$mutex = $mutex->withRetryDelay(100);
```

By default, it is 50 milliseconds - it means that we may try to acquire lock up to 20 times per second.

Documentation
-------------

[](#documentation)

- [Internals](docs/internals.md)

If you need help or have a question, the [Yii Forum](https://forum.yiiframework.com/c/yii-3-0/63) is a good place for that. You may also check out other [Yii Community Resources](https://www.yiiframework.com/community).

License
-------

[](#license)

The Yii Mutex Library - Redis Driver is free software. It is released under the terms of the BSD License. Please see [`LICENSE`](./LICENSE.md) for more information.

Maintained by [Yii Software](https://www.yiiframework.com/).

Support the project
-------------------

[](#support-the-project)

[![Open Collective](https://camo.githubusercontent.com/a2b15f8e2268d4e3842e00d41ff7a57cce2ad8bd8d8769c5dc4fa05a546a4f62/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4f70656e253230436f6c6c6563746976652d73706f6e736f722d3765616466313f6c6f676f3d6f70656e253230636f6c6c656374697665266c6f676f436f6c6f723d376561646631266c6162656c436f6c6f723d353535353535)](https://opencollective.com/yiisoft)

Follow updates
--------------

[](#follow-updates)

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###  Health Score

38

—

LowBetter than 85% of packages

Maintenance49

Moderate activity, may be stable

Popularity15

Limited adoption so far

Community24

Small or concentrated contributor base

Maturity60

Established project with proven stability

 Bus Factor2

2 contributors hold 50%+ of commits

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 ~61 days

Total

2

Last Release

1664d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/261a6249c6f605f3956a2fae40fbb813f6b2e1e6f2bf806180c851a965426e54?d=identicon)[cebe](/maintainers/cebe)

![](https://www.gravatar.com/avatar/fc29e4e7068a00fe9b9db37b8aadda1db6020adcacef810461e47b99c2b150e6?d=identicon)[samdark](/maintainers/samdark)

![](https://www.gravatar.com/avatar/ccb75e3312d6bd454ea445ea308139fd185a4ca906ca5df21cc66e6a35de25a3?d=identicon)[SilverFire](/maintainers/SilverFire)

![](https://www.gravatar.com/avatar/99106256c24a8cb23871b99fa90e48f37f1aa71608c185759b7d2a88683a5918?d=identicon)[hiqsol](/maintainers/hiqsol)

---

Top Contributors

[![devanych](https://avatars.githubusercontent.com/u/20116244?v=4)](https://github.com/devanych "devanych (10 commits)")[![samdark](https://avatars.githubusercontent.com/u/47294?v=4)](https://github.com/samdark "samdark (9 commits)")[![machour](https://avatars.githubusercontent.com/u/304450?v=4)](https://github.com/machour "machour (7 commits)")[![vjik](https://avatars.githubusercontent.com/u/525501?v=4)](https://github.com/vjik "vjik (4 commits)")[![luizcmarin](https://avatars.githubusercontent.com/u/67489841?v=4)](https://github.com/luizcmarin "luizcmarin (2 commits)")[![dependabot-preview[bot]](https://avatars.githubusercontent.com/in/2141?v=4)](https://github.com/dependabot-preview[bot] "dependabot-preview[bot] (2 commits)")[![sankaest](https://avatars.githubusercontent.com/u/21160342?v=4)](https://github.com/sankaest "sankaest (1 commits)")[![viktorprogger](https://avatars.githubusercontent.com/u/7670669?v=4)](https://github.com/viktorprogger "viktorprogger (1 commits)")[![damasco](https://avatars.githubusercontent.com/u/1377554?v=4)](https://github.com/damasco "damasco (1 commits)")

---

Tags

hacktoberfestmutexredisyii3mutexyii

###  Code Quality

TestsPHPUnit

Static AnalysisPsalm

Type Coverage Yes

### Embed Badge

![Health badge](/badges/yiisoft-mutex-db-redis/health.svg)

```
[![Health](https://phpackages.com/badges/yiisoft-mutex-db-redis/health.svg)](https://phpackages.com/packages/yiisoft-mutex-db-redis)
```

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