Brent • 10/25/2022

Readonly classes in PHP 8.2

This article provides a comprehensive guide to the readonly classes feature introduced in PHP 8.2. It explains how declaring a class as readonly automatically makes all its properties readonly, serving as syntactic sugar for Data Transfer Objects and value objects. The summary covers the specific rules and limitations, including write-once behavior, typed properties only, no static properties, inheritance constraints, and interaction with dynamic properties and reflection.

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#php #syntactic sugar #Php 82