3v4l.org

run code in 500+ PHP versions simultaneously
<?php $f = fn(): void => exit(0); $f();
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.5
Fatal error: A void function must not return a value in /in/YkVBg on line 3
Process exited with code 255.
preferences:
29.55 ms | 1136 KiB | 6 Q