3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 9999999999999999999999999999999999999999999999999999999999999999999999999999 * 99999999999999999999999999999999999999999999999999999999999999999999999999999;
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
1.0E+153
preferences:
123.37 ms | 407 KiB | 5 Q