PHP 8 modernized the language that still powers WordPressA PHP CMS powering millions of sites — themes, plugins, and the block editor for publishing., WikipediaA free, collaboratively edited encyclopedia on the web — one of the largest reference works ever built., and Laravel apps: JITJust-in-time compilation — translating code to machine instructions at runtime instead of ahead of time. sped hot loops, attributes replaced docblock hacks, and stricter types caught bugs earlier. It was the biggest PHP jump since PHP 7's performance rewrite.

PHP 8 proved the web's most-deployed server language could evolve without abandoning its ecosystem.

JITJust-in-time compilation — translating code to machine instructions at runtime instead of ahead of time., union types, and match brought PHP closer to modern language expectations.