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[Utility & Helpers](/categories/utility) 4. / 5. wyrihaximus/react-cron ActiveLibrary[Utility & Helpers](/categories/utility) wyrihaximus/react-cron ====================== ⏱️ Cronlike scheduler running inside the ReactPHP Event Loop 5.3.0(9mo ago)4064.2k↑34.2%3[3 issues](https://github.com/WyriHaximus/reactphp-cron/issues)MITMakefilePHP ^8.4CI passing Since Feb 25Pushed 6d ago1 watchersCompare [ Source](https://github.com/WyriHaximus/reactphp-cron)[ Packagist](https://packagist.org/packages/wyrihaximus/react-cron)[ GitHub Sponsors](https://github.com/WyriHaximus)[ RSS](/packages/wyrihaximus-react-cron/feed)WikiDiscussions master Synced 3d ago READMEChangelog (10)Dependencies (11)Versions (22)Used By (0) Cronlike scheduler running inside a ReactPHP Event Loop ======================================================= [](#cronlike-scheduler-running-inside-a-reactphp-event-loop) [![Continuous Integration](https://github.com/WyriHaximus/reactphp-cron/workflows/Continuous%20Integration/badge.svg)](https://github.com/WyriHaximus/reactphp-cron/workflows/Continuous%20Integration/badge.svg)[![Latest Stable Version](https://camo.githubusercontent.com/35b37228bf19d1110d98988f37ae9b06c2ed47f6df279a67b9714af22238ffd3/68747470733a2f2f706f7365722e707567782e6f72672f57797269486178696d75732f72656163742d63726f6e2f762f737461626c652e706e67)](https://packagist.org/packages/WyriHaximus/react-cron)[![Total Downloads](https://camo.githubusercontent.com/ea1f1db98b0f87eb4d1ac477270025c0c74cd59020f509d5807965bc2b1a5399/68747470733a2f2f706f7365722e707567782e6f72672f57797269486178696d75732f72656163742d63726f6e2f646f776e6c6f6164732e706e67)](https://packagist.org/packages/WyriHaximus/react-cron)[![Code Coverage](https://camo.githubusercontent.com/278c931ff3475a299ab7191ede0c598c1358aed3bdbfd00e71f5ad2d7022f56e/68747470733a2f2f7363727574696e697a65722d63692e636f6d2f672f57797269486178696d75732f72656163747068702d63726f6e2f6261646765732f636f7665726167652e706e673f623d6d6173746572)](https://scrutinizer-ci.com/g/WyriHaximus/reactphp-cron/?branch=master)[![License](https://camo.githubusercontent.com/8dff68398e373fc8d646205f87732769f22ce28fcaea67ebb06abe11690d7124/68747470733a2f2f706f7365722e707567782e6f72672f57797269486178696d75732f72656163742d63726f6e2f6c6963656e73652e706e67)](https://packagist.org/packages/WyriHaximus/react-cron) Install ======= [](#install) To install via [Composer](http://getcomposer.org/), use the command below, it will automatically detect the latest version and bind it with `^`. ``` composer require wyrihaximus/react-cron ``` Usage ===== [](#usage) Schedule actions within the ReactPHP Event Loop ``` use React\Promise\PromiseInterface; use WyriHaximus\React\Cron; use WyriHaximus\React\Cron\Action; use function React\Promise\resolve; Cron::create( new Action( 'Hour', // Identifier used for mutex locking 60, // TTL for the mutex lock, always set this way higher than the expected execution time, but low enough any failures during the run will cause issues '@hourly', // The cron expression used to schedule this action function (): PromiseInterface { // The callable ran when this action is due according to it's schedule echo 'Another hour has passed!', PHP_EOL; return resolve(true); // This callable MUST return a promise, which is used for releasing the mutex lock } ), new Action( 'Minute', 0.1, '* * * * *', function (): PromiseInterface { echo 'Another minute has passed!', PHP_EOL; return resolve(true); } ) ); // Stops scheduling new action runs $cron->stop(); ``` Factory methods =============== [](#factory-methods) - `Cron::create($loop, ...$actions)`: Cron with in-memory mutex. - `Cron::createWithMutex($loop, $mutex, ...$actions)`: Cron with supplied mutex. Mutex ===== [](#mutex) All mutexes must implement [`wyrihaximus/react-mutex`](https://packagist.org/packages/wyrihaximus/react-mutex) to provide additional implementations beyond the default in memory one. This is meant to do distributed locking of cron jobs. Error handling ============== [](#error-handling) With promise v3 uncaught rejected promises will no longer bubble up. As a result the running con instance will now emit errors when they occur and those must be handled. ``` $cron = Cron::create(...$actions); $cron->on('error', static function (Throwable $throwable): void { // Handle error }); ``` Run an action on start up and it's normal schedule ================================================== [](#run-an-action-on-start-up-and-its-normal-schedule) In certain edge causes you want to start an action at it's normal schedule and on start up. To facilitate that the `RunOnStartUpAction` will run at both moments. It's create exactly the same as an normal action, equally respects any mutex, but it will run one additional time when the event loop starts: ``` // Normal action new Action( 'Hour', // Identifier used for mutex locking 60, // TTL for the mutex lock, always set this way higher than the expected execution time, but low enough any failures during the run will cause issues '@hourly', // The cron expression used to schedule this action function (): PromiseInterface { // The callable ran when this action is due according to it's schedule echo 'Another hour has passed!', PHP_EOL; return resolve(true); // This callable MUST return a promise, which is used for releasing the mutex lock } ); // Run on start up action new RunOnStartUpAction( 'Hour', // Identifier used for mutex locking 60, // TTL for the mutex lock, always set this way higher than the expected execution time, but low enough any failures during the run will cause issues '@hourly', // The cron expression used to schedule this action function (): PromiseInterface { // The callable ran when this action is due according to it's schedule echo 'Another hour has passed!', PHP_EOL; return resolve(true); // This callable MUST return a promise, which is used for releasing the mutex lock } ); ``` License ======= [](#license) The MIT License (MIT) Copyright (c) 2026 Cees-Jan Kiewiet Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ### Health Score 61 — FairBetter than 98% of packages Maintenance79 Regular maintenance activity Popularity42 Moderate usage in the ecosystem Community16 Small or concentrated contributor base Maturity87 Battle-tested with a long release history Bus Factor1 Top contributor holds 70.3% 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 ~219 days Recently: every ~244 days Total 12 Last Release 276d ago Major Versions 1.0.0 → 2.0.02021-01-22 2.1.2 → 3.0.02021-08-10 3.1.0 → 4.0.02023-01-27 4.0.0 → 5.0.02024-04-12 PHP version history (7 changes)1.0.0PHP ^7.2 2.0.0PHP ^7.4 3.0.0PHP ^8 || ^7.4 4.0.0PHP ^8.1 5.0.0PHP ^8.2 5.2.0PHP ^8.3 5.3.0PHP ^8.4 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/147145?v=4)[Cees-Jan Kiewiet](/maintainers/WyriHaximus)[@WyriHaximus](https://github.com/WyriHaximus) --- Top Contributors [![WyriHaximus](https://avatars.githubusercontent.com/u/147145?v=4)](https://github.com/WyriHaximus "WyriHaximus (154 commits)")[![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)](https://github.com/dependabot[bot] "dependabot[bot] (34 commits)")[![renovate-runner[bot]](https://avatars.githubusercontent.com/u/147145?v=4)](https://github.com/renovate-runner[bot] "renovate-runner[bot] (23 commits)")[![dependabot-preview[bot]](https://avatars.githubusercontent.com/in/2141?v=4)](https://github.com/dependabot-preview[bot] "dependabot-preview[bot] (3 commits)")[![dependabot-support](https://avatars.githubusercontent.com/u/112581971?v=4)](https://github.com/dependabot-support "dependabot-support (2 commits)")[![renovate[bot]](https://avatars.githubusercontent.com/in/2740?v=4)](https://github.com/renovate[bot] "renovate[bot] (2 commits)")[![olshevskiy87](https://avatars.githubusercontent.com/u/26171315?v=4)](https://github.com/olshevskiy87 "olshevskiy87 (1 commits)") --- Tags cronhacktoberfestphpphp7reactphp ### Embed Badge ![Health badge](/badges/wyrihaximus-react-cron/health.svg) ``` [![Health](https://phpackages.com/badges/wyrihaximus-react-cron/health.svg)](https://phpackages.com/packages/wyrihaximus-react-cron) ``` ### Alternatives [ccxt/ccxt A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go 43.2k341.0k1](/packages/ccxt-ccxt)[composer/composer Composer helps you declare, manage and install dependencies of PHP projects. 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