Hello world, it's Wednesday, August 19, 2026, and here's what happened This Week in PHP Internals. 12 stories this week, so let's get into it. But first, Is AI working for your team? Ballast answers that for free . It reads your git history — never your code — and gives you 2 numbers every month. Stable velocity tells you how much of what you ship survives. A durability score from 300 to 850 tells you whether it holds up. ballast.now . This week's top story: a 5-argument function propo...