3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function test() {} } class Bar extends Foo { public function test(...$foo) {} }
Output for 5.6.1 - 5.6.40, 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
Output for 5.6.0

Process exited with code 139.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/Mgngq on line 7
Process exited with code 255.
preferences:
245.52 ms | 402 KiB | 376 Q