The EventDispatcher component provides tools that allow your application components to communicate with each other by dispatching events and listening to them.
The VarDumper component provides mechanisms for walking through any arbitrary PHP variable. It provides a better dump() function that you can use instead of var_dump().
The HttpKernel component provides a structured process for converting a Request into a Response.
This component provides functions unavailable in releases prior to PHP 7.3.
This component provides a partial, native PHP implementation for the Mbstring extension.
Symfony Dotenv parses .env files to make environment variables stored in them accessible via getenv(), $_ENV, or $_SERVER.
Give thanks (in the form of a GitHub ★) to your fellow PHP package maintainers (not limited to Symfony components)!
The Cache component provides an extended PSR-6 implementation for adding cache to your applications.
The Filesystem component provides basic utilities for the filesystem.