3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = 1; $b = $a+++ ++$a; echo $b;
Output for 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
4
preferences:
50.27 ms | 856 KiB | 4 Q