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[Utility & Helpers](/categories/utility) 4. / 5. symfony/polyfill-php80 ActiveLibrary[Utility & Helpers](/categories/utility) symfony/polyfill-php80 ====================== Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions v1.37.0(2mo ago)1.7k850.1M↓18.3%2620MITPHPPHP >=7.2 Since Feb 13Pushed 1mo ago7 watchersCompare [ Source](https://github.com/symfony/polyfill-php80)[ Packagist](https://packagist.org/packages/symfony/polyfill-php80)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-polyfill-php80/feed)WikiDiscussions 1.x Synced 1w ago READMEChangelog (4)DependenciesVersions (28)Used By (20) Symfony Polyfill / Php80 ======================== [](#symfony-polyfill--php80) This component provides features added to PHP 8.0 core: - [`Stringable`](https://php.net/stringable) interface - [`fdiv`](https://php.net/fdiv) - [`ValueError`](https://php.net/valueerror) class - [`UnhandledMatchError`](https://php.net/unhandledmatcherror) class - `FILTER_VALIDATE_BOOL` constant - [`get_debug_type`](https://php.net/get_debug_type) - [`PhpToken`](https://php.net/phptoken) class - [`preg_last_error_msg`](https://php.net/preg_last_error_msg) - [`str_contains`](https://php.net/str_contains) - [`str_starts_with`](https://php.net/str_starts_with) - [`str_ends_with`](https://php.net/str_ends_with) - [`get_resource_id`](https://php.net/get_resource_id) 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 Maintenance90 Actively maintained with recent releases Popularity80 Widely adopted with strong download metrics Community48 Growing community involvement Maturity62 Established project with proven stability Bus Factor1 Top contributor holds 57.4% 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 ~83 days Recently: every ~0 days Total 28 Last Release 60d ago PHP version history (3 changes)v1.14.0PHP >=7.0.8 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 (31 commits)")[![IonBazan](https://avatars.githubusercontent.com/u/1985514?v=4)](https://github.com/IonBazan "IonBazan (4 commits)")[![Ayesh](https://avatars.githubusercontent.com/u/811553?v=4)](https://github.com/Ayesh "Ayesh (3 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (2 commits)")[![Firtzberg](https://avatars.githubusercontent.com/u/8490119?v=4)](https://github.com/Firtzberg "Firtzberg (1 commits)")[![francescobianco](https://avatars.githubusercontent.com/u/472171?v=4)](https://github.com/francescobianco "francescobianco (1 commits)")[![GrahamCampbell](https://avatars.githubusercontent.com/u/2829600?v=4)](https://github.com/GrahamCampbell "GrahamCampbell (1 commits)")[![guilliamxavier](https://avatars.githubusercontent.com/u/7404452?v=4)](https://github.com/guilliamxavier "guilliamxavier (1 commits)")[![BackEndTea](https://avatars.githubusercontent.com/u/14289961?v=4)](https://github.com/BackEndTea "BackEndTea (1 commits)")[![JanJakes](https://avatars.githubusercontent.com/u/141436?v=4)](https://github.com/JanJakes "JanJakes (1 commits)")[![kbond](https://avatars.githubusercontent.com/u/127811?v=4)](https://github.com/kbond "kbond (1 commits)")[![llaville](https://avatars.githubusercontent.com/u/364342?v=4)](https://github.com/llaville "llaville (1 commits)")[![azjezz](https://avatars.githubusercontent.com/u/29315886?v=4)](https://github.com/azjezz "azjezz (1 commits)")[![SpacePossum](https://avatars.githubusercontent.com/u/10462973?v=4)](https://github.com/SpacePossum "SpacePossum (1 commits)")[![staabm](https://avatars.githubusercontent.com/u/120441?v=4)](https://github.com/staabm "staabm (1 commits)")[![TysonAndre](https://avatars.githubusercontent.com/u/1904430?v=4)](https://github.com/TysonAndre "TysonAndre (1 commits)")[![derrabus](https://avatars.githubusercontent.com/u/1506493?v=4)](https://github.com/derrabus "derrabus (1 commits)")[![WinterSilence](https://avatars.githubusercontent.com/u/3521094?v=4)](https://github.com/WinterSilence "WinterSilence (1 commits)") --- Tags compatibilitycomponentjavascriptpolyfillportableshimsymfonysymfony-componentsymfony-polyfillcompatibilityportablepolyfillshim ### Embed Badge ![Health badge](/badges/symfony-polyfill-php80/health.svg) ``` [![Health](https://phpackages.com/badges/symfony-polyfill-php80/health.svg)](https://phpackages.com/packages/symfony-polyfill-php80) ``` ### Alternatives [symfony/polyfill-mbstring Symfony polyfill for the Mbstring extension 7.8k1.2B683](/packages/symfony-polyfill-mbstring)[symfony/polyfill-php72 Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions 4.7k684.0M35](/packages/symfony-polyfill-php72)[symfony/polyfill-intl-idn Symfony polyfill for intl's idn\_to\_ascii and idn\_to\_utf8 functions 3.4k806.5M131](/packages/symfony-polyfill-intl-idn)[symfony/polyfill-intl-normalizer Symfony polyfill for intl's Normalizer class and related functions 2.1k866.4M60](/packages/symfony-polyfill-intl-normalizer)[symfony/polyfill-php73 Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions 2.4k595.3M79](/packages/symfony-polyfill-php73)[symfony/polyfill-intl-grapheme Symfony polyfill for intl's grapheme\_\* functions 1.7k737.0M50](/packages/symfony-polyfill-intl-grapheme) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)