🔬 Profiling @DatadogHQ 🐘 PHP Core Contributor 🧵 ext-parallel Maintainer ⚡️ Performance, Concurrency & Observability 👨👧👦 6x Dad
Germany
Joined August 2017
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It is also falling back to mapping named arguments at runtime if the callee is known, but the arguments are not in order. And in case you are using named arguments at all, PHP emits an extra CHECK_UNDEF_ARGS opcode to execute at runtime (no idea about the overhead it adds).
ALT PHP script showing out of order named arguments
ALT PHP opcodes
I’m heading to @confooca 2026 in Montréal 🇨🇦 in a few weeks, where I’ll be speaking about two things I care a lot about in the PHP world: observability and multithreading.
Hit me up if you want to talk performance! 🚀
#ConFoo #PHP #Observability #Performance #Multithreading
ALT Conference slide with a blue background and a photo of Florian Engelhardt on the right. Large white headline reads ‘Observing PHP for Fun and Profit.’ Bottom-left shows the ConFoo.ca Developer Conference logo and the text ‘Montreal / Feb 25–27, 2026.’
ALT Conference slide with a blue background and a photo of Florian Engelhardt on the right. Large white headline reads ‘Parallel Futures: Unlocking Multithreading in PHP’ Bottom-left shows the ConFoo.ca Developer Conference logo and the text ‘Montreal / Feb 25–27, 2026.’
Hey @zeriyoshi, @kotomin_m will be bringing you a @datadoghq elePHPant. It was awesome talking to you at @phpcon, hope I can make it there again.
