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[Utility & Helpers](/categories/utility) 4. / 5. dev-el/polyfill-mbstring ActiveLibrary[Utility & Helpers](/categories/utility) dev-el/polyfill-mbstring ======================== Symfony polyfill for the Mbstring extension v1.23.1(4y ago)0311MITPHP Since Nov 4Pushed 4y agoCompare [ Source](https://github.com/dev-el/polyfill-mbstring)[ Packagist](https://packagist.org/packages/dev-el/polyfill-mbstring)[ Docs](https://symfony.com)[ RSS](/packages/dev-el-polyfill-mbstring/feed)WikiDiscussions main Synced 1w ago READMEChangelogDependenciesVersions (33)Used By (1) Symfony Polyfill / Mbstring =========================== [](#symfony-polyfill--mbstring) This component provides a partial, native PHP implementation for the [Mbstring](https://php.net/mbstring) extension. More information can be found in the [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md). License ======= [](#license) This library is released under the [MIT license](LICENSE). ### Health Score 32 — LowBetter than 72% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity7 Limited adoption so far Community20 Small or concentrated contributor base Maturity74 Established project with proven stability Bus Factor1 Top contributor holds 61.3% 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 ~66 days Recently: every ~59 days Total 32 Last Release 1797d ago PHP version history (2 changes)v1.0.0PHP >=5.3.3 v1.20.0PHP >=7.1 ### Community Maintainers ![](https://www.gravatar.com/avatar/283644a9c7e6a3706be0138fbbd35da7d2c8e2f0c4cba22fc9c34511c062961f?d=identicon)[dev-el](/maintainers/dev-el) --- Top Contributors [![nicolas-grekas](https://avatars.githubusercontent.com/u/243674?v=4)](https://github.com/nicolas-grekas "nicolas-grekas (46 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (5 commits)")[![stof](https://avatars.githubusercontent.com/u/439401?v=4)](https://github.com/stof "stof (2 commits)")[![IonBazan](https://avatars.githubusercontent.com/u/1985514?v=4)](https://github.com/IonBazan "IonBazan (2 commits)")[![keradus](https://avatars.githubusercontent.com/u/2716794?v=4)](https://github.com/keradus "keradus (2 commits)")[![flack](https://avatars.githubusercontent.com/u/425166?v=4)](https://github.com/flack "flack (1 commits)")[![GrahamCampbell](https://avatars.githubusercontent.com/u/2829600?v=4)](https://github.com/GrahamCampbell "GrahamCampbell (1 commits)")[![JakeFr](https://avatars.githubusercontent.com/u/5176129?v=4)](https://github.com/JakeFr "JakeFr (1 commits)")[![JanJakes](https://avatars.githubusercontent.com/u/141436?v=4)](https://github.com/JanJakes "JanJakes (1 commits)")[![jeroenvisser101](https://avatars.githubusercontent.com/u/1941348?v=4)](https://github.com/jeroenvisser101 "jeroenvisser101 (1 commits)")[![kamil-tekiela](https://avatars.githubusercontent.com/u/6583064?v=4)](https://github.com/kamil-tekiela "kamil-tekiela (1 commits)")[![lyrixx](https://avatars.githubusercontent.com/u/408368?v=4)](https://github.com/lyrixx "lyrixx (1 commits)")[![orklah](https://avatars.githubusercontent.com/u/9605520?v=4)](https://github.com/orklah "orklah (1 commits)")[![RGustBardon](https://avatars.githubusercontent.com/u/1412877?v=4)](https://github.com/RGustBardon "RGustBardon (1 commits)")[![robfrawley](https://avatars.githubusercontent.com/u/3967713?v=4)](https://github.com/robfrawley "robfrawley (1 commits)")[![samnela](https://avatars.githubusercontent.com/u/1852108?v=4)](https://github.com/samnela "samnela (1 commits)")[![TysonAndre](https://avatars.githubusercontent.com/u/1904430?v=4)](https://github.com/TysonAndre "TysonAndre (1 commits)")[![azjezz](https://avatars.githubusercontent.com/u/29315886?v=4)](https://github.com/azjezz "azjezz (1 commits)")[![webber2k6](https://avatars.githubusercontent.com/u/13884828?v=4)](https://github.com/webber2k6 "webber2k6 (1 commits)")[![carusogabriel](https://avatars.githubusercontent.com/u/16328050?v=4)](https://github.com/carusogabriel "carusogabriel (1 commits)") --- Tags mbstringcompatibilityportablepolyfillshim ### Embed Badge ![Health badge](/badges/dev-el-polyfill-mbstring/health.svg) ``` [![Health](https://phpackages.com/badges/dev-el-polyfill-mbstring/health.svg)](https://phpackages.com/packages/dev-el-polyfill-mbstring) ``` ### Alternatives [symfony/polyfill-mbstring Symfony polyfill for the Mbstring extension 7.8k1.2B515](/packages/symfony-polyfill-mbstring)[symfony/polyfill-php72 Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions 4.7k674.7M31](/packages/symfony-polyfill-php72)[symfony/polyfill-intl-idn Symfony polyfill for intl's idn\_to\_ascii and idn\_to\_utf8 functions 3.4k774.6M90](/packages/symfony-polyfill-intl-idn)[symfony/polyfill-intl-normalizer Symfony polyfill for intl's Normalizer class and related functions 2.1k830.2M36](/packages/symfony-polyfill-intl-normalizer)[symfony/polyfill-php73 Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions 2.4k581.8M67](/packages/symfony-polyfill-php73)[symfony/polyfill-php80 Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions 1.7k815.2M457](/packages/symfony-polyfill-php80) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)