3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(false ?? 1); var_dump(true ?? 1); var_dump(null ?? 1);
Output for 8.3.0 - 8.3.29, 8.4.1 - 8.4.16, 8.5.0 - 8.5.1
bool(false) bool(true) int(1)

preferences:
57.84 ms | 406 KiB | 5 Q