Every developer should be confident that their code is efficient and safe to run in production. But it can be hard to get started. What tools to use? What do the graphs mean? What to look at first? In this talk, we will analyse and optimise the performance of a simple PHP application. By demonstrating how to use some of the excellent open source projects such as xdebug, xhprof or meminfo I hope to give you a good idea of where to start with analysing and optimising your PHP code.


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Good primer on performance optimisation with the tools that are freely available.

A very clear and practical optimization case study

Samuele Lilli at 18:26 on 12 May 2018

Very good pointers and tools explaination.
4 stars due to basics examples: I always prefer to have real use cases that not involves model knowledge then too obvious ones.

dParadiz at 20:31 on 12 May 2018

Appreciated the tool list.

Great overview, good tool list. Could use some more meat with php-meminfo, felt a bit short in the end.

Ani Sinanaj at 22:11 on 12 May 2018

When developing mobile apps, I've had to optimise them once built. With web development I never even thought of it. These techniques just showed me I can do it and I need to do it. I liked the keynote.