Best of 2021

The blog posts Hacker News loved most in 2021. 306 posts.

Web & Frontend
216

How PHP Opcache Works

The opcache PHP extension implements various functionality to speed up PHP in a transparent manner. As the name indicates, its origin and primary purpose is opcode caching, but nowadays it also contains an optimizer and just-in-time compiler. However, this blog post will focus only on the opcode caching aspect.