PHP 8.6 Release Date, New Features and Deprecations
PHP 8.6 is scheduled for general availability on 19 November 2026. The feature freeze has passed, release candidate 4 is out, and the headline features are known: partial function application, a clamp() function, a proper Duration class, and a batch of deprecations that may light up your logs. I built PHP 8.6.0 RC4 from the official source and ran every example below, so you can see what the code does today instead of what a blog post promises. One warning first: it is a release candidate, and…