3v4l.org

run code in 500+ PHP versions simultaneously
<?php $numString = "1.1234567890"; echo ($numString)-"90"; ?>
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.21, 8.5.0 - 8.5.7
-88.876543211
preferences:
67.96 ms | 1023 KiB | 3 Q