PHP has been around for almost as long as the Web. 25 years! Join me for a fun look at the highlights (and lowlights) of this crazy trip. But I will also be trying to convince you to upgrade your PHP version. The performance alone should be enough, if not, I have a few other tricks up my sleeve to try to win you over. Performance optimization, static analysis, zero-cost profiling, dead code elimination and escape analysis are just some of the concepts that will be covered.

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Great talk! Funny and entertaining, but Rasmus also explained some historical decisions and he had a very important message: That at the end, the tool doesn't matter that much, but the result and what you do.

Nice to know the story behind some features and seeing the latest news directly from the "creator". The message that we need to focus on the end and not on the medium is important, and it must be widespread especially among young people.
Only one regret: not having the courage to ask for a selfie ... still developing in 5.x.