3v4l.org

run code in 300+ PHP versions simultaneously
<?php class HelloWorld { readonly public string $say; public function __construct() { $this->say = 'Hello World'; } } class HelloNewWorld extends HelloWorld { readonly public string $say; public function __construct() { $this->say = 'Hello New World'; } } echo (new HelloWorld())->say . PHP_EOL; echo (new HelloNewWorld())->say . PHP_EOL;
Output for git.master_jit, git.master
Hello World Hello New World

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
37.18 ms | 405 KiB | 5 Q