3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); $argv[1]="uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuug uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu"; for($_=$argv[1].' ';$c=$_[$i++];)$t+=u==$c?1:(g==$c?2:(' '==$c?-$t+!print chr($t):0));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6

Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
32
preferences:
227.48 ms | 403 KiB | 329 Q