Deep dive into Symfony 4 internals
summary
Builds a tiny framework from a single index.php into a kernel that boots a PSR-7 request/response stack, swaps in a PSR-7 implementation and a Relay middleware runner, adds a routing middleware (static map + big regex trick), a filesystem-backed file system cache via Flysystem, a DI container with environment-based cached dump, HTTP Basic auth token storage plus voters, a toolbar via cache decorator and an exception-catching middleware — all working end to end.
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chapters (7)
- 0:00Introduction to Symfony internals
- 10:00Building a minimal framework
- 23:00Introducing PSR-7 and middleware
- 34:00Adding caching with middleware
- 45:00Kernel and dependency injection
- 55:00Routing optimization and security
- 1:00:00Q&A and summary
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