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[Utility & Helpers](/categories/utility) 4. / 5. appserver-io/microcron ActiveLibrary[Utility & Helpers](/categories/utility) appserver-io/microcron ====================== Cron expression which allows for the use of seconds 2.0.0(7y ago)04.7k31OSL-3.0PHPPHP >=5.4.0 Since Jan 5Pushed 7y ago1 watchersCompare [ Source](https://github.com/appserver-io/microcron)[ Packagist](https://packagist.org/packages/appserver-io/microcron)[ Docs](https://github.com/appserver-io/microcron)[ RSS](/packages/appserver-io-microcron/feed)WikiDiscussions master Synced 1mo ago READMEChangelogDependencies (2)Versions (5)Used By (1) Microcron ========= [](#microcron) [![Latest Stable Version](https://camo.githubusercontent.com/d9d772e7e227c21b9845027e11470424add1205d56b74e750169209f613a069d/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f6170707365727665722d696f2f6d6963726f63726f6e2e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/appserver-io/microcron)[![Total Downloads](https://camo.githubusercontent.com/0c1dbf6973bab9f782103d3b32a5d1143558cc461ea202ed81d94d217597c7a9/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f6170707365727665722d696f2f6d6963726f63726f6e2e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/appserver-io/microcron)[![License](https://camo.githubusercontent.com/ab30f826a71e89e5cc2957e8118b18706dfc7aa439780a271845b4c59d6b5d77/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f6c2f6170707365727665722d696f2f6d6963726f63726f6e2e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/appserver-io/microcron)[![Build Status](https://camo.githubusercontent.com/82e653a0cc136391d0888914dab993704923b384a9cb48e3a9729d57001d4eef/68747470733a2f2f696d672e736869656c64732e696f2f7472617669732f6170707365727665722d696f2f6d6963726f63726f6e2f6d61737465722e7376673f7374796c653d666c61742d737175617265)](http://travis-ci.org/appserver-io/microcron)[![Scrutinizer Code Quality](https://camo.githubusercontent.com/6c998a0a3d361a420eac6667141c205c605937568fff16f2bf31b87c1f1cb48c/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f672f6170707365727665722d696f2f6d6963726f63726f6e2f6d61737465722e7376673f7374796c653d666c61742d737175617265)](https://scrutinizer-ci.com/g/appserver-io/microcron/?branch=master)[![Code Coverage](https://camo.githubusercontent.com/82eb531485e6ebfd60e4bc7001956210da40453d27a675b416d212acfee72e0d/68747470733a2f2f696d672e736869656c64732e696f2f7363727574696e697a65722f636f7665726167652f672f6170707365727665722d696f2f6d6963726f63726f6e2f6d61737465722e7376673f7374796c653d666c61742d737175617265)](https://scrutinizer-ci.com/g/appserver-io/microcron/?branch=master) Introduction ------------ [](#introduction) This library aim for a complete PHP implementation of a cron expression with the addition of seconds as smallest time span to be controlled. Cron expressions used with this library have, other than [normal cron](https://en.wikipedia.org/wiki/Cron), 6 digits where as the schema starts with seconds and continues with a normal cron schedule. The `second`-digit can be used the same as the `minute` or `hour` digit. Issues ------ [](#issues) In order to bundle our efforts we would like to collect all issues regarding this package in [the main project repository's issue tracker](https://github.com/appserver-io/appserver/issues). Please reference the originating repository as the first element of the issue title e.g.: `[appserver-io/] A issue I am having` Notice ------ [](#notice) This project is heavily inspired and based on [mtdowling/cron-expression](https://github.com/mtdowling/cron-expression) which provides the technical background and calculation engine. Therefor the license of this project has to be taken into account. It is included within the enclosed `LICENSE` file. ### Health Score 32 — LowBetter than 72% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity20 Limited adoption so far Community16 Small or concentrated contributor base Maturity61 Established project with proven stability Bus Factor1 Top contributor holds 95.7% 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 ~443 days Total 4 Last Release 2813d ago Major Versions 0.1.0 → 1.0.02015-02-13 1.0.0 → 2.0.02018-08-26 ### Community Maintainers ![](https://www.gravatar.com/avatar/76b54aaecf7287a0520eec0009161ca457982dee83ac413bfa0d818b72d79947?d=identicon)[wagnert](/maintainers/wagnert) ![](https://www.gravatar.com/avatar/33b42e8c7314da5df45bca5d1dd786ea2b3d540fae5a5a9489580a886f2f4f39?d=identicon)[zelgerj](/maintainers/zelgerj) ![](https://www.gravatar.com/avatar/aa15f27f393eeb1f1a481fa7de89b41add17de686da79d49e07c5c77249c5e86?d=identicon)[wick-ed](/maintainers/wick-ed) --- Top Contributors [![wick-ed](https://avatars.githubusercontent.com/u/4931168?v=4)](https://github.com/wick-ed "wick-ed (22 commits)")[![zelgerj](https://avatars.githubusercontent.com/u/287595?v=4)](https://github.com/zelgerj "zelgerj (1 commits)") --- Tags php cron seconds cron-expression ### Embed Badge ![Health badge](/badges/appserver-io-microcron/health.svg) ``` [![Health](https://phpackages.com/badges/appserver-io-microcron/health.svg)](https://phpackages.com/packages/appserver-io-microcron) ``` ### Alternatives [mult1mate/cron-manager Flexible cron tasks manager for MVC-type applications 40338.5k3](/packages/mult1mate-cron-manager)[ttree/scheduler Simple task scheduler for Neos Flow Framework 21108.8k1](/packages/ttree-scheduler)[webtoolsnz/yii2-scheduler A scheduled task runner for Yii2 applications 1881.1k](/packages/webtoolsnz-yii2-scheduler)[pmill/php-scheduler Simple PHP task scheduler 1833.5k](/packages/pmill-php-scheduler) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)