SFCE Symfony 8.0 Certification

Symfony Version

Topics

1. PHP 0/86
2. HTTP 0/86
3. Symfony Architecture 0/103
4. Controllers 0/59
5. Routing 0/37
6. Templating with Twig 0/81
7. Forms 0/136
8. Data Validation 0/108
9. Dependency Injection 0/88
10. Security 0/102
11. Messenger 0/52
12. Console 0/55
13. Automated Tests 0/48
14. Miscellaneous 0/181

Messenger

7 chapters · 52 references · 0/52 completed

1. Messenger component

0/9

The Messenger Component The Messenger Component - Concepts The Messenger Component - Bus Messenger - Getting Results from your Handlers Messenger - Getting Results when Working with Command & Query Buses Messenger - Multiple Buses, Command & Event Buses Messenger - Restrict Handlers per Bus Messenger - Redispatching a Message Messenger - Debugging the Buses

2. Transports

0/8

Messenger - Transports: Async/Queued Messages Messenger - Routing Messages to a Transport Messenger - Transport Configuration Messenger - In Memory Transport Messenger - Serializing Messages Messenger - Rate Limited Transport Messenger - Message Serializer For Custom Data Formats How to Create Your own Messenger Transport

3. Messages and handlers

0/12

Messenger - Creating a Message & Handler Messenger - Dispatching the Message Messenger - Handling Messages Synchronously Messenger - Manually Configuring Handlers Messenger - Handling Multiple Messages Messenger - Binding Handlers to Different Transports Messenger - Process Messages by Batches Messenger - Doctrine Entities in Messages Messenger - Versioning Message Classes Messenger - Transactional Messages: Handle New Messages After Handling is Done Messenger - Trigger a Command Messenger - Trigger An External Process

4. Workers

0/7

Messenger - Consuming Messages (Running the Worker) Messenger - Deploying to Production Messenger - Prioritized Transports Messenger - Checking the Number of Queued Messages Per Transport Messenger - Supervisor Configuration Messenger - Systemd Configuration Messenger - Stateless Worker

5. Retries and failures

0/6

Messenger - Retries & Failures Messenger - Avoiding Retrying Messenger - Forcing Retrying Messenger - Saving & Retrying Failed Messages Messenger - Writing Idempotent Handlers Messenger - Multiple Failed Transports

6. Middleware

0/9

Messenger - Middleware Messenger - Message Deduplication Messenger - Middleware for Doctrine Messenger - Other Middlewares Messenger - Securing Messages with Signatures Messenger - Enabling Message Signing Messenger - Envelopes & Stamps Messenger - Default Stamps on Messages Messenger - Additional Handler Arguments

7. Events

0/1

Messenger - Messenger Events

© 2026 Krzysztof Kardasz

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