How to install or upgrade to PHP 8.3 on Oracle Linux 9.3

PHP 8.3 is a significant update to PHP released in 2023. This update includes a variety of new features such as typed class constants, enhanced Exceptions in the DateTime extension, the introduction of the json_validate function, as well as functional changes, improvements, and deprecations. Similar to previous major versions, PHP 8.3 will also address various bug fixes and performance enhancements.