3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=0;$i<10;$i++) $i--;
Output for 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.24, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6

Process exited with code 137.
preferences:
122.66 ms | 403 KiB | 195 Q