Preloading is a hot topic these days, yet the first versions of PHP 7.4 crashed when it was enabled. Since September with the first experiments (and crash reports), Nicolas is tracking the beast: PHP 7.4.5 finally makes it usable in all contexts and a 75% boost has been measured on a "Hello World" app. Can you expect the same benefits on your apps? Preloading comes with its own challenges. Let's review them and figure how you can get the most out of it for the benefit of your server's efficiency and response time.
First presented at https://online.live.symfony.com/