3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "1d9" + 1;
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Warning: A non-numeric value encountered in /in/Dn6Sm on line 2 2
preferences:
62.2 ms | 843 KiB | 4 Q