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Symfony PHP 8.1 Polyfill

JSON →
library 1.38.1 ·php
✓ verified Jun 19, 2026
utility

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

Resources

githubgithub.com/symfony/polyfill-php81 ↗
homepagesymfony.com ↗

API endpoints

full doc /v1/registry/symfony-polyfill-php81
install /v1/registry/symfony-polyfill-php81/install