Every PHP developer heard about OpCode, the magical sauce that runs inside the Zend PHP Engine in order to boost performances.

But what is exactly that OpCode? Why does it make the Zend Engine faster to run your PHP Code? Is it only about performances?

The aim of this talk is to demystify what's going on inside the Zend PHP Engine and to understand what is happening to our PHP code when it's digested by the interpreter and turned into opcode, before being executed on the Zend Virtual Machine.


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Very good talk about Opcode and all related things : lightweight, a bit of code examples and a roadmap for the future. Well done.

Pim Elshoff at 10:43 on 8 Jun 2019

Satisfied the curiosity, gave solid advice for what to do with and was very calm and composed. Excellent talk!

Ruslan Papina at 11:53 on 8 Jun 2019

Excellent talk!

Joop Lammerts at 11:00 on 9 Jun 2019

Benoit was great in explaining what happend under the hood of PHP and why. It helped me to get a better understanding of the underlaying abstractions of de ZEND engine. Great talk with a great speaker who is very calm and paced.