3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(3 & -1); var_dump(3 & 0xFFFFFFFF);
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
int(3) int(3)
preferences:
55.25 ms | 406 KiB | 5 Q