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[Utility & Helpers](/categories/utility) 4. / 5. cline/ruler ActiveLibrary[Utility & Helpers](/categories/utility) cline/ruler =========== Fluent rule engine with proposition-based evaluation and 50+ operators for building conditional business logic 5.1.1(3mo ago)017.1k—3.3%2MITPHPPHP ^8.5.0CI failing Since Oct 8Pushed 3mo agoCompare [ Source](https://github.com/faustbrian/ruler)[ Packagist](https://packagist.org/packages/cline/ruler)[ RSS](/packages/cline-ruler/feed)WikiDiscussions 5.x Synced 3d ago READMEChangelog (8)Dependencies (30)Versions (20)Used By (2) [![GitHub Workflow Status](https://github.com/faustbrian/ruler/actions/workflows/quality-assurance.yaml/badge.svg)](https://github.com/faustbrian/ruler/actions)[![Latest Version on Packagist](https://camo.githubusercontent.com/82a88b9c6553578402c20885d838a502db15ddff654dfa66d829ae6ee0dcabad/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f636c696e652f72756c65722e737667)](https://packagist.org/packages/cline/ruler)[![Software License](https://camo.githubusercontent.com/784362b26e4b3546254f1893e778ba64616e362bd6ac791991d2c9e880a3a64e/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4c6963656e73652d4d49542d677265656e2e737667)](LICENSE.md)[![Total Downloads](https://camo.githubusercontent.com/f6b071428b453761b08c1aadbce9d74f8a7c259bc622aebe7990c8dde187affe/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f636c696e652f72756c65722e737667)](https://packagist.org/packages/cline/ruler) --- Fluent rule engine with proposition-based evaluation and 50+ operators for building conditional business logic. Requirements ------------ [](#requirements) > **Requires [PHP 8.4+](https://php.net/releases/)** Installation ------------ [](#installation) ``` composer require cline/ruler ``` Documentation ------------- [](#documentation) - **[Getting Started](https://docs.cline.sh/ruler/getting-started/)** - Installation and basic usage - **[Operators](https://docs.cline.sh/ruler/operators/)** - 50+ comparison, math, set operators - **[Rules and Context](https://docs.cline.sh/ruler/rules-and-context/)** - Rule composition and dynamic context - **[Text-Based DSL](https://docs.cline.sh/ruler/text-dsl/)** - Wirefilter-style text syntax - **[DSL Implementations](https://docs.cline.sh/ruler/dsl-implementations/)** - All five DSL options compared - **[Persisted Rules](DOCS.md#doc-docs-persisted-rules)** - Versioning, migration, and custom operator guidance for stored definitions - **[Mutation Testing Strategy](DOCS.md#doc-docs-mutation-testing)** - Tooling decision and scope for mutation gates Change log ---------- [](#change-log) Please see [CHANGELOG](CHANGELOG.md) for more information on what has changed recently. Contributing ------------ [](#contributing) Please see [CONTRIBUTING](CONTRIBUTING.md) and [CODE\_OF\_CONDUCT](CODE_OF_CONDUCT.md) for details. Security -------- [](#security) If you discover any security related issues, please use the [GitHub security reporting form](https://github.com/faustbrian/ruler/security) rather than the issue queue. Credits ------- [](#credits) - [Brian Faust](https://github.com/faustbrian) - [bobthecow/Ruler](https://github.com/bobthecow/Ruler) - [All Contributors](../../contributors) License ------- [](#license) The MIT License. Please see [License File](LICENSE.md) for more information. ### Health Score 48 — FairBetter than 93% of packages Maintenance81 Actively maintained with recent releases Popularity27 Limited adoption so far Community10 Small or concentrated contributor base Maturity62 Established project with proven stability Bus Factor1 Top contributor holds 100% 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 ~9 days Total 19 Last Release 98d ago Major Versions 1.x-dev → 2.0.02025-10-15 2.0.0 → 3.0.02025-10-22 3.x-dev → 4.0.02026-02-11 4.x-dev → 5.0.02026-03-04 PHP version history (2 changes)1.0.0PHP ^8.4.0 3.1.0PHP ^8.5.0 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/22145591?v=4)[Brian Faust](/maintainers/faustbrian)[@faustbrian](https://github.com/faustbrian) --- Top Contributors [![faustbrian](https://avatars.githubusercontent.com/u/22145591?v=4)](https://github.com/faustbrian "faustbrian (11 commits)") --- Tags phpContextDSLEvaluationbusiness-rulesfluent-interfaceoperatorsrule-engineconditional-logicproposition ### Code Quality TestsPest ### Embed Badge ![Health badge](/badges/cline-ruler/health.svg) ``` [![Health](https://phpackages.com/badges/cline-ruler/health.svg)](https://phpackages.com/packages/cline-ruler) ``` ### Alternatives [aws/aws-sdk-php AWS SDK for PHP - Use Amazon Web Services in your PHP project 6.3k543.5M2.6k](/packages/aws-aws-sdk-php)[blackfire/player A powerful web crawler and web scraper with Blackfire support 49617.1k](/packages/blackfire-player)[rcsofttech/audit-trail-bundle Enterprise-grade, high-performance Symfony audit trail bundle. 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