3v4l.org

run code in 500+ PHP versions simultaneously
<?php printf('%u', -1); print PHP_EOL; print PHP_INT_MAX;
Output for 8.2.31 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
18446744073709551615 9223372036854775807
preferences:
27.34 ms | 1151 KiB | 7 Q