PHP is a widely used server-side scripting language for building dynamic websites and web applications. PHP offers performance enhancements, language improvements, and modern features with each new release. PHP 8.3 offers advanced capabilities over PHP 8.2 including explicit typing for class constants, readonly classes, deep cloning for readonly properties, and expanded function support. This article explains how to upgrade PHP 8.2 to PHP 8.3 on Ubuntu 24.04. You will update the PHP repository s......