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symfony/polyfill-php81
======================

Symfony polyfill backporting some PHP 8.1+ features to lower PHP versions

v1.33.0(1y ago)885425.7M—1.9%720MITPHPPHP >=7.2

Since Jan 7Pushed 3w ago3 watchersCompare

[ Source](https://github.com/symfony/polyfill-php81)[ Packagist](https://packagist.org/packages/symfony/polyfill-php81)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-polyfill-php81/feed)WikiDiscussions 1.x Synced 1mo ago

READMEChangelog (4)DependenciesVersions (14)Used By (20)

Symfony Polyfill / Php81
========================

[](#symfony-polyfill--php81)

This component provides features added to PHP 8.1 core:

- [`array_is_list`](https://php.net/array_is_list)
- [`enum_exists`](https://php.net/enum-exists)
- [`MYSQLI_REFRESH_REPLICA`](https://php.net/mysqli.constants#constantmysqli-refresh-replica) constant
- [`ReturnTypeWillChange`](https://wiki.php.net/rfc/internal_method_return_types)
- [`CURLStringFile`](https://php.net/CURLStringFile) (but only if PHP >= 7.4 is used)

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

62

↑

FairBetter than 99% of packages

Maintenance69

Regular maintenance activity

Popularity76

Solid adoption and visibility

Community38

Small or concentrated contributor base

Maturity55

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 60.9% 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 ~103 days

Recently: every ~20 days

Total

14

Last Release

617d ago

PHP version history (2 changes)v1.22.0PHP >=7.1

v1.33.0PHP >=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 (14 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (2 commits)")[![derrabus](https://avatars.githubusercontent.com/u/1506493?v=4)](https://github.com/derrabus "derrabus (1 commits)")[![Ayesh](https://avatars.githubusercontent.com/u/811553?v=4)](https://github.com/Ayesh "Ayesh (1 commits)")[![IonBazan](https://avatars.githubusercontent.com/u/1985514?v=4)](https://github.com/IonBazan "IonBazan (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)")[![Firtzberg](https://avatars.githubusercontent.com/u/8490119?v=4)](https://github.com/Firtzberg "Firtzberg (1 commits)")[![boesing](https://avatars.githubusercontent.com/u/2189546?v=4)](https://github.com/boesing "boesing (1 commits)")

---

Tags

compatibilitycomponentjavascriptpolyfillportableshimsymfonysymfony-componentsymfony-polyfillcompatibilityportablepolyfillshim

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