3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Foo { static $bar = 'baz'; } class FortyTwo extends Foo { function test() { var_dump(self::$bar); } } (new FortyTwo)->test();
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
string(3) "baz"

preferences:
76.3 ms | 1416 KiB | 4 Q