Symfony Components

Complete reference for all 38 Symfony components — patterns, APIs, configuration, and best practices for PHP 8.3+ and Symfony 7.x.

Component Index

HTTP & Runtime

• HttpFoundation — Object-oriented HTTP requests/responses replacing PHP globals → reference
• HttpKernel — Request handling, kernel events, controller resolution, middleware → reference
• PSR-7 Bridge — Bidirectional HttpFoundation ↔ PSR-7 conversion → reference
• Runtime — Decoupled bootstrapping for multiple runtime environments → reference

Messaging

• Messenger — Sync/async message buses, transports (AMQP, Redis, Doctrine), middleware, envelopes → reference

Console

• Console — CLI commands, input/output handling, helpers, formatters, progress bars → reference