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[Parsing & Serialization](/categories/parsing) 4. / 5. wikimedia/remex-html ActiveLibrary[Parsing & Serialization](/categories/parsing) wikimedia/remex-html ==================== Fast HTML 5 parser 6.0.1(1mo ago)12741.8k—1.1%15MITHTMLPHP >=8.1 Since Feb 24Pushed 1mo ago14 watchersCompare [ Source](https://github.com/wikimedia/mediawiki-libs-RemexHtml)[ Packagist](https://packagist.org/packages/wikimedia/remex-html)[ Docs](https://www.mediawiki.org/wiki/RemexHtml)[ RSS](/packages/wikimedia-remex-html/feed)WikiDiscussions master Synced 2d ago READMEChangelogDependencies (22)Versions (29)Used By (5) RemexHtml ========= [](#remexhtml) RemexHtml is a parser for HTML 5, written in PHP. RemexHtml aims to be: - Modular and flexible. - Fast, as opposed to elegant. For example, we sometimes use direct member access instead of going through accessors, and manually inline some performance-sensitive code. - Robust, aiming for O(N) worst-case performance. RemexHtml contains the following modules: - A compliant preprocessor and tokenizer. This generates a token event stream. - Compliant tree construction, including error recovery. This generates a tree mutation event stream. - A fast integrated HTML serializer, compliant with the HTML fragment serialization algorithm. - DOMDocument construction. RemexHtml presently lacks: - Encoding support. The input is expected to be valid UTF-8. - Scripting. - Precise compliance with specified parse error generation. RemexHtml aims to be compliant with W3C recommendation HTML 5.1, except for minor backported bugfixes. We chose to implement the W3C standard rather than the latest WHATWG draft because our application needs stability more than feature completeness. RemexHtml passes all [html5lib tests](https://github.com/html5lib/html5lib-tests), except for parse error counts and tests which reference a future version of the standard. **WARNING** This is a new project, we are still developing use cases. So the API is subject to change. For example code, see `bin/test.php`. ### Health Score 65 — FairBetter than 99% of packages Maintenance89 Actively maintained with recent releases Popularity44 Moderate usage in the ecosystem Community33 Small or concentrated contributor base Maturity82 Battle-tested with a long release history 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 ~124 days Recently: every ~94 days Total 28 Last Release 58d ago Major Versions 1.0.3 → 2.0.02018-08-14 2.3.2 → 3.0.02021-10-24 3.0.3 → 4.0.02023-02-24 4.1.2 → 5.0.02025-06-04 5.1.0 → 6.0.02026-02-13 PHP version history (5 changes)1.0.3PHP >=5.5.9 2.0.0PHP >=5.6.99 2.2.0PHP >=7.2.9 4.0.0PHP >=7.4 5.1.0PHP >=8.1 ### Community Maintainers ![](https://www.gravatar.com/avatar/b94d9718c06ec7c3fd7a104bc44966fb7464b9ec7411582343ea35a7a6a85f08?d=identicon)[mediawiki](/maintainers/mediawiki) ![](https://www.gravatar.com/avatar/716c86d71cbf921e7912a505f89d799de398fc0a3af0bd4c8862834b2d642bd7?d=identicon)[wikimedia](/maintainers/wikimedia) ![](https://www.gravatar.com/avatar/3551c2aefb299a0c45807f7677f5b26d8a5be4a4af359b4bf4fabbdd1f2b990e?d=identicon)[cscott](/maintainers/cscott) --- Top Contributors [![cscott](https://avatars.githubusercontent.com/u/156080?v=4)](https://github.com/cscott "cscott (80 commits)")[![tstarling](https://avatars.githubusercontent.com/u/389141?v=4)](https://github.com/tstarling "tstarling (68 commits)")[![umherirrender](https://avatars.githubusercontent.com/u/1174884?v=4)](https://github.com/umherirrender "umherirrender (44 commits)")[![jdforrester](https://avatars.githubusercontent.com/u/881572?v=4)](https://github.com/jdforrester "jdforrester (15 commits)")[![legoktm](https://avatars.githubusercontent.com/u/81392?v=4)](https://github.com/legoktm "legoktm (13 commits)")[![reedy](https://avatars.githubusercontent.com/u/67615?v=4)](https://github.com/reedy "reedy (7 commits)")[![thiemowmde](https://avatars.githubusercontent.com/u/6576639?v=4)](https://github.com/thiemowmde "thiemowmde (3 commits)")[![Krinkle](https://avatars.githubusercontent.com/u/156867?v=4)](https://github.com/Krinkle "Krinkle (3 commits)")[![subbuss](https://avatars.githubusercontent.com/u/91608?v=4)](https://github.com/subbuss "subbuss (3 commits)")[![tgr](https://avatars.githubusercontent.com/u/145412?v=4)](https://github.com/tgr "tgr (2 commits)")[![arlolra](https://avatars.githubusercontent.com/u/123708?v=4)](https://github.com/arlolra "arlolra (2 commits)")[![xSavitar](https://avatars.githubusercontent.com/u/4872561?v=4)](https://github.com/xSavitar "xSavitar (1 commits)")[![ayg](https://avatars.githubusercontent.com/u/940446?v=4)](https://github.com/ayg "ayg (1 commits)")[![Daimona](https://avatars.githubusercontent.com/u/38216014?v=4)](https://github.com/Daimona "Daimona (1 commits)")[![MaxSem](https://avatars.githubusercontent.com/u/1260606?v=4)](https://github.com/MaxSem "MaxSem (1 commits)") ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/wikimedia-remex-html/health.svg) ``` [![Health](https://phpackages.com/badges/wikimedia-remex-html/health.svg)](https://phpackages.com/packages/wikimedia-remex-html) ``` ### Alternatives [wikimedia/parsoid Parsoid, a bidirectional parser between wikitext and HTML5 187557.3k3](/packages/wikimedia-parsoid)[laravel/framework The Laravel Framework. 34.8k543.8M20.1k](/packages/laravel-framework)[civicrm/civicrm-core Open source constituent relationship management for non-profits, NGOs and advocacy organizations. 751291.4k43](/packages/civicrm-civicrm-core)[shopware/platform The Shopware e-commerce core 3.4k1.5M3](/packages/shopware-platform)[perplorm/perpl Perpl is an improved and still maintained fork of Propel2, an open-source Object-Relational Mapping (ORM) for PHP. 2411.8k](/packages/perplorm-perpl)[shopware/core Shopware platform is the core for all Shopware ecommerce products. 585.6M574](/packages/shopware-core) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)