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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 6.0.0(3mo ago)11707.5k↑19.1%15MITHTMLPHP >=8.1 Since Feb 24Pushed 1mo ago15 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 1mo ago READMEChangelogDependencies (9)Versions (28)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 64 — FairBetter than 99% of packages Maintenance86 Actively maintained with recent releases Popularity44 Moderate usage in the ecosystem Community31 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 ~126 days Recently: every ~116 days Total 27 Last Release 95d 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 (77 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 (41 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 [masterminds/html5 An HTML5 parser and serializer. 1.8k242.8M229](/packages/masterminds-html5)[sabberworm/php-css-parser Parser for CSS Files written in PHP 1.8k191.2M65](/packages/sabberworm-php-css-parser)[jms/metadata Class/method/property metadata management in PHP 1.8k152.8M88](/packages/jms-metadata)[jms/serializer-bundle Allows you to easily serialize, and deserialize data of any complexity 1.8k89.3M627](/packages/jms-serializer-bundle)[hassankhan/config Lightweight configuration file loader that supports PHP, INI, XML, JSON, and YAML files 97513.5M170](/packages/hassankhan-config)[meyfa/php-svg Read, edit, write, and render SVG files with PHP 54613.9M42](/packages/meyfa-php-svg) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)