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[Utility & Helpers](/categories/utility) 4. / 5. symfony/polyfill-intl-icu ActiveLibrary[Utility & Helpers](/categories/utility) symfony/polyfill-intl-icu ========================= Symfony polyfill for intl's ICU-related data and classes v1.33.0(11mo ago)2.6k251.4M—2.7%620MITPHPPHP >=7.2 Since Nov 4Pushed 3d ago3 watchersCompare [ Source](https://github.com/symfony/polyfill-intl-icu)[ Packagist](https://packagist.org/packages/symfony/polyfill-intl-icu)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-polyfill-intl-icu/feed)WikiDiscussions 1.x Synced 1mo ago READMEChangelog (4)DependenciesVersions (42)Used By (20) Symfony Polyfill / Intl: ICU ============================ [](#symfony-polyfill--intl-icu) This package provides fallback implementations when the [Intl](https://php.net/intl) extension is not installed. It is limited to the "en" locale and to: - [`intl_is_failure()`](https://php.net/intl-is-failure) - [`intl_get_error_code()`](https://php.net/intl-get-error-code) - [`intl_get_error_message()`](https://php.net/intl-get-error-message) - [`intl_error_name()`](https://php.net/intl-error-name) - [`Collator`](https://php.net/Collator) - [`NumberFormatter`](https://php.net/NumberFormatter) - [`Locale`](https://php.net/Locale) - [`IntlDateFormatter`](https://php.net/IntlDateFormatter) - [`IntlListFormatter`](https://php.net/IntlListFormatter) 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 70 ↑ ExcellentBetter than 100% of packages Maintenance79 Regular maintenance activity Popularity78 Solid adoption and visibility Community38 Small or concentrated contributor base Maturity70 Established project with proven stability Bus Factor1 Top contributor holds 59.5% 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 ~85 days Recently: every ~96 days Total 42 Last Release 332d 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 (25 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (2 commits)")[![athos-ribeiro](https://avatars.githubusercontent.com/u/2052794?v=4)](https://github.com/athos-ribeiro "athos-ribeiro (1 commits)")[![Ayesh](https://avatars.githubusercontent.com/u/811553?v=4)](https://github.com/Ayesh "Ayesh (1 commits)")[![aymericcucherousset](https://avatars.githubusercontent.com/u/62072504?v=4)](https://github.com/aymericcucherousset "aymericcucherousset (1 commits)")[![damienalexandre](https://avatars.githubusercontent.com/u/225704?v=4)](https://github.com/damienalexandre "damienalexandre (1 commits)")[![kbond](https://avatars.githubusercontent.com/u/127811?v=4)](https://github.com/kbond "kbond (1 commits)")[![marien-probesys](https://avatars.githubusercontent.com/u/107053378?v=4)](https://github.com/marien-probesys "marien-probesys (1 commits)")[![mbabker](https://avatars.githubusercontent.com/u/368545?v=4)](https://github.com/mbabker "mbabker (1 commits)")[![mbeccati](https://avatars.githubusercontent.com/u/282388?v=4)](https://github.com/mbeccati "mbeccati (1 commits)")[![Seb33300](https://avatars.githubusercontent.com/u/915273?v=4)](https://github.com/Seb33300 "Seb33300 (1 commits)")[![sebpacz](https://avatars.githubusercontent.com/u/74934099?v=4)](https://github.com/sebpacz "sebpacz (1 commits)")[![stof](https://avatars.githubusercontent.com/u/439401?v=4)](https://github.com/stof "stof (1 commits)")[![VincentLanglet](https://avatars.githubusercontent.com/u/9052536?v=4)](https://github.com/VincentLanglet "VincentLanglet (1 commits)")[![alexander-schranz](https://avatars.githubusercontent.com/u/1698337?v=4)](https://github.com/alexander-schranz "alexander-schranz (1 commits)")[![xabbuh](https://avatars.githubusercontent.com/u/1957048?v=4)](https://github.com/xabbuh "xabbuh (1 commits)")[![andrew-demb](https://avatars.githubusercontent.com/u/12499813?v=4)](https://github.com/andrew-demb "andrew-demb (1 commits)") --- Tags compatibilitycomponenticuintljavascriptpolyfillportableshimsymfonysymfony-componentsymfony-polyfillcompatibilityportablepolyfillshimintlicu ### Embed Badge ![Health badge](/badges/symfony-polyfill-intl-icu/health.svg) ``` [![Health](https://phpackages.com/badges/symfony-polyfill-intl-icu/health.svg)](https://phpackages.com/packages/symfony-polyfill-intl-icu) ``` ### Alternatives [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-intl-grapheme Symfony polyfill for intl's grapheme\_\* functions 1.7k702.8M27](/packages/symfony-polyfill-intl-grapheme)[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-php73 Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions 2.4k581.8M67](/packages/symfony-polyfill-php73) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)