3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(stdClass$foo) { var_dump($foo); } foo(new stdClass());
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.2.19, 8.3.0 - 8.3.7
object(stdClass)#1 (0) { }
preferences:
118.63 ms | 404 KiB | 185 Q