Most people don’t stop to think about how their car works; They just turn the key and go. That’s not good enough for engineers, and the same isn’t good enough for programmers who rely on a software engine to get their work done.

This session is a high-level overview of what makes up the PHP runtime, how the pieces fit together, and what to expect as the language continues to evolve in the coming years. We’ll cover the lifecycle of a request, compilation, execution, caching, and leveraging all these tools to gain a broader understanding of what happens when you turn that key and ask your web server to go.


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