3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(string $bar) { var_dump($bar); } foo(1);
Output for 7.3.0 - 7.3.29, 7.4.0 - 7.4.21, 8.0.0 - 8.0.8
string(1) "1"

preferences:
94.24 ms | 459 KiB | 5 Q