3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(1 ** 5); var_dump(1 ** true); var_dump(1 ** false); var_dump(1 ** null); var_dump(1 ** '5');
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
int(1) int(1) int(1) int(1) int(1)
preferences:
103.27 ms | 1241 KiB | 4 Q