3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static function m() { print 'Success' . PHP_EOL; } } $c = '\A'; $m = 'm'; $c::$m(); $f = $c . '::' . $m; $f();
Output for 7.0.0 - 7.0.20, 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
Success Success
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Success Fatal error: Call to undefined function \A::m() in /in/3cIfv on line 11
Process exited with code 255.
preferences:
201.95 ms | 402 KiB | 213 Q