https://github.com/WordPress/wordpress-playground/pull/829 PHP 8.3 was just released recently, let's support it in Playground. https://www.php.net/releases/8.3/en.php#:~:text=PHP%208.3%20is%20a%20major,Upgrade%20to%20PHP%208.3%20now! ## Done is * The web version of Playground offers PHP 8.3 in its version switcher * The node version of Playground runs PHP 8.3 when `PHP=8.3` env is specified