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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.6
-88.876543211
preferences:
61.29 ms | 978 KiB | 4 Q