PHPackages symfony/polyfill-mbstring - PHPackages - PHPackages [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register) 1. [Directory](/) 2. / 3. [Utility & Helpers](/categories/utility) 4. / 5. symfony/polyfill-mbstring ActiveLibrary[Utility & Helpers](/categories/utility) symfony/polyfill-mbstring ========================= Symfony polyfill for the Mbstring extension v1.33.0(1y ago)7.8k1.2B—3.4%38[1 PRs](https://github.com/symfony/polyfill-mbstring/pulls)20MITPHPPHP >=7.2 Since Nov 4Pushed 3w ago8 watchersCompare [ Source](https://github.com/symfony/polyfill-mbstring)[ Packagist](https://packagist.org/packages/symfony/polyfill-mbstring)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-polyfill-mbstring/feed)WikiDiscussions 1.x Synced 1mo ago READMEChangelog (4)DependenciesVersions (43)Used By (20) 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/main/README.md). License ======= [](#license) This library is released under the [MIT license](LICENSE). ### Health Score 72 ↑ ExcellentBetter than 100% of packages Maintenance71 Regular maintenance activity Popularity84 Widely adopted with strong download metrics Community51 Growing community involvement Maturity70 Established project with proven stability Bus Factor1 Top contributor holds 59.8% 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 ~79 days Recently: every ~46 days Total 43 Last Release 512d ago PHP version history (3 changes)v1.0.0PHP >=5.3.3 v1.20.0PHP >=7.1 v1.31.0PHP >=7.2 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/47313?v=4)[Fabien Potencier](/maintainers/fabpot)[@fabpot](https://github.com/fabpot) --- Top Contributors [![nicolas-grekas](https://avatars.githubusercontent.com/u/243674?v=4)](https://github.com/nicolas-grekas "nicolas-grekas (61 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (6 commits)")[![stof](https://avatars.githubusercontent.com/u/439401?v=4)](https://github.com/stof "stof (3 commits)")[![IonBazan](https://avatars.githubusercontent.com/u/1985514?v=4)](https://github.com/IonBazan "IonBazan (3 commits)")[![simPod](https://avatars.githubusercontent.com/u/327717?v=4)](https://github.com/simPod "simPod (2 commits)")[![keradus](https://avatars.githubusercontent.com/u/2716794?v=4)](https://github.com/keradus "keradus (2 commits)")[![derrabus](https://avatars.githubusercontent.com/u/1506493?v=4)](https://github.com/derrabus "derrabus (2 commits)")[![GenieTim](https://avatars.githubusercontent.com/u/8596965?v=4)](https://github.com/GenieTim "GenieTim (1 commits)")[![GrahamCampbell](https://avatars.githubusercontent.com/u/2829600?v=4)](https://github.com/GrahamCampbell "GrahamCampbell (1 commits)")[![jaapio](https://avatars.githubusercontent.com/u/1060433?v=4)](https://github.com/jaapio "jaapio (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)")[![jeremyFreeAgent](https://avatars.githubusercontent.com/u/176363?v=4)](https://github.com/jeremyFreeAgent "jeremyFreeAgent (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)")[![kbond](https://avatars.githubusercontent.com/u/127811?v=4)](https://github.com/kbond "kbond (1 commits)")[![lyrixx](https://avatars.githubusercontent.com/u/408368?v=4)](https://github.com/lyrixx "lyrixx (1 commits)")[![mbeccati](https://avatars.githubusercontent.com/u/282388?v=4)](https://github.com/mbeccati "mbeccati (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)") --- Tags compatibilitycomponentjavascriptmbstringpolyfillportableshimsymfonysymfony-componentsymfony-polyfillmbstringcompatibilityportablepolyfillshim ### Embed Badge ![Health badge](/badges/symfony-polyfill-mbstring/health.svg) ``` [![Health](https://phpackages.com/badges/symfony-polyfill-mbstring/health.svg)](https://phpackages.com/packages/symfony-polyfill-mbstring) ``` ### Alternatives [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)[symfony/polyfill-intl-grapheme Symfony polyfill for intl's grapheme\_\* functions 1.7k702.8M27](/packages/symfony-polyfill-intl-grapheme) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)