This component provides functions unavailable in releases prior to PHP 7.3.

This component provides features unavailable in releases prior to PHP 7.0.

This component provides functions unavailable in releases prior to PHP 5.6.

This polyfill is deprecated. Use the symfony/polyfill-php72 package instead.

This component provides functions unavailable in releases prior to PHP 8.0.

This component provides binary-safe string functions, using the mbstring extension when available.

This component provides a collection of functions/classes using the symfony/intl package when the Intl extension is not installed.

This component provides a partial, native PHP implementation for the Ctype extension.

This component provides a partial, native PHP implementation of the Grapheme functions from the Intl extension.

This component provides apcu_* functions and the APCUIterator class to users of the legacy APC extension.

This component provides functions unavailable in releases prior to PHP 5.4.

This component provides a fallback implementation for the Normalizer class provided by the Intl extension.

PHP polyfills

The Routing component maps an HTTP request to a set of configuration variables.

Provides Telegram integration for Symfony Notifier.

The EventDispatcher component provides tools that allow your application components to communicate with each other by dispatching events and listening to them.

The Finder component finds files and directories via an intuitive fluent interface.

The HttpFoundation component defines an object-oriented layer for the HTTP specification.

[DEPRECATED] The ClassLoader component provides tools to autoload your classes and cache their locations for performance.

Security provides an infrastructure for sophisticated authorization systems, which makes it possible to easily separate the actual authorization logic from so called user providers that hold the users credentials. It is inspired by the Java Spring framework.