View-sourcehttps M.facebook.com Home.php !!top!! Jun 2026

Facebook’s core was written in PHP. They invented and later Hack to scale it. home.php today is likely a router that delegates to modern components, but its name persists for backward compatibility.

No. It only exposes client-side code, which any user can already access via DevTools (F12). In fact, viewing source is a recommended practice for: View-sourcehttps M.facebook.com Home.php

home.php is a legacy PHP script that serves the main news feed (Home) on the mobile subdomain. While Facebook has migrated much of its backend to Hack (a PHP derivative) and GraphQL, the home.php endpoint remains a critical entry point for users with older browsers, slow connections, or those who disable JavaScript. Facebook’s core was written in PHP