Participate in the 100-million-row challenge for PHP

Written on 2026-02-24

A month ago, I went on a performance quest, trying to optimize a PHP script that took 5 days to run. Together with the help of many talented developers, I eventually got it to run in under 30 seconds. This optimization process with so much fun, and so many people pitched in with their ideas; so I eventually decided I wanted to do something more.

That's why I built a performance challenge for the PHP community, and I invite you all to participate 😁

The goal of this challenge is to parse 100 million rows of data with PHP, as efficiently as possible. The challenge will run for about two weeks, and at the end there are some prizes for the best entries (amongst the prize is the very sought-after PhpStorm Elephpant, of which we only have a handful left).

So, are you ready to participate? Head over to the challenge repository and give it your best shot!

Things I wish I knew when I started programming

Things I wish I knew when I started programming cover image

This is my newest book aimed at programmers of any skill level. This book isn't about patterns, principles, or best practices; there's actually barely any code in it. It's about the many things I've learned along the way being a professional programmer, and about the many, many mistakes I made along that way as well. It's what I wish someone would have told me years ago, and I hope it might inspire you.

Read more

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