Composer: How it should preload in PHP 7.4
Nobody can agree with something, but I can!
Updated 2019–11–28 with better keys and functionality.
Preloading it's one of the important things that PHP 7.4 will enable for developers who look for performance. This feature seems like a “warm up” before the JIT engine that PHP 8 will (or should) introduce. This may suffice until it’s…