Creates and manages locks, a mechanism to provide exclusive access to a shared resource

Instant Upgrades and Automated Refactoring of any PHP 5.3+ code

PHP Static Analysis Tool - discover bugs in your code without running it!

Intl support for Twig

The Twig bundle for official extra extensions

CSS Inliner support for Twig

CssToInlineStyles is a class that enables you to convert HTML-pages/files into HTML-pages/files with inline styles. This is very usefull when you're sending emails.

Symfony Security Component - HTTP Integration

Symfony Security Component - CSRF Library

Symfony Security Component - Core Library

Enables decoupling PHP applications from global state

Provides integration for ProxyManager with various Symfony components

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

Provides password hashing utilities

Sends notifications via one or more channels (email, SMS, ...)

Helps applications send and receive messages to/from other applications or via message queues

Helps sending emails

Provides powerful methods to fetch HTTP resources synchronously or asynchronously

Symfony Doctrine Messenger Bridge

PHP getallheaders polyfill

Next-gen phpDoc parser with support for intersection types and generics

PHP Secure Communications Library

Documentation Generator for PHP

Extensions to the PHP Reflection API, static code scanning, and code generation

Promises/A+ library for PHP with synchronous support

Guzzle, an extensible PHP HTTP client