3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "1d9" + 1;
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Warning: A non-numeric value encountered in /in/Dn6Sm on line 2 2

preferences:
55.44 ms | 406 KiB | 5 Q