Standard Library

Symfony polyfill for the Mbstring extension

ECMAScript 5 compatibility shims for legacy (and modern) JavaScript engines

Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions

Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions

ECMAScript 6 compatibility shims for legacy JS engines

Symfony polyfill for intl's ICU-related data and classes

Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions

Symfony polyfill for intl's Normalizer class and related functions

📡 BroadcastChannel to send data between different browser-tabs or nodejs-processes 📡 + LeaderElection over the channels https://pubkey.github.io/broadcast-channel/

Symfony polyfill for the Iconv extension

Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions

Symfony polyfill for intl's grapheme_* functions

Symfony utilities for portability of PHP codes

Minimal Python 2 & 3 shim around all Qt bindings - PySide, PySide2, PyQt4 and PyQt5.

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

🍩 1kb minimally viable DOM Document implementation

Symfony polyfill backporting apcu_* functions to lower PHP versions

A pure JS in-memory implementation of the IndexedDB API

ES5 shim for ES6 Reflect and Proxy objects