3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($foo) { $bar = 'bar'; switch ($foo) { case 'foo': $bar = 'baz'; case 'bar': return $bar; } } var_dump(foo('foo'), foo('bar'));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(3) "baz" string(3) "bar"

preferences:
150.27 ms | 403 KiB | 168 Q