3v4l.org

run code in 300+ PHP versions simultaneously
<?php //declare(strict_types=1); function foo(int $num) { echo ($num . PHP_EOL); } foo('42');
based on eONU7
Output for 7.3.0 - 7.3.26, 7.4.0 - 7.4.14, 8.0.0 - 8.0.2
42