3v4l.org

run code in 300+ PHP versions simultaneously
<?php while(true);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.26, 7.1.0 - 7.1.12, 7.2.0 - 7.2.26, 7.3.12 - 7.3.13, 7.4.0 - 7.4.2, 8.1.28, 8.2.17 - 8.2.18, 8.3.4 - 8.3.6

Process exited with code 137.
preferences:
128.38 ms | 404 KiB | 152 Q