3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { static $bar = 'baz'; } class baz { static $bat = 'Hello World'; } baz::$bat = function () { echo "Hello World"; }; $foo = 'foo'; ($foo::$bar::$bat)();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Hello World
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM) in /in/jJLWE on line 9
Process exited with code 255.
preferences:
309.45 ms | 402 KiB | 376 Q