3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '0'; $b = 4; echo -$a;
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.15, 8.5.0
0
preferences:
44.15 ms | 406 KiB | 5 Q