New Features in PHP 8.4.1: Property Hooks, Asymmetric Visibility, Deprecation Attributes, Ext‑DOM Enhancements, BCMath Object API, and New array_* Functions
PHP 8.4.1 introduces a suite of backend improvements—including property hooks, asymmetric visibility, deprecation attributes, a spec‑compliant DOM API, an object‑oriented BCMath API, and several new array_* functions—each illustrated with concise code examples and usage notes.