3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo expm1(1); echo PHP_EOL; echo exp(1) - 1;
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.7
1.718281828459 1.718281828459
preferences:
53.24 ms | 852 KiB | 4 Q