3v4l.org

run code in 300+ PHP versions simultaneously
<?php class User { public $settings = ['foo', 'bar']; } $User = new User(); var_dump($User->settings); $User->settings[] = 'added'; var_dump($User->settings); $User->settings = ['overwritten']; var_dump($User->settings);

preferences:
28.23 ms | 402 KiB | 5 Q