3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public string $Content–Type; }
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
preferences:
44.04 ms | 971 KiB | 4 Q