3v4l.org

run code in 300+ PHP versions simultaneously
<?php print 1; ?>
Output for 5.3.0 - 5.3.20, 5.4.0 - 5.4.10, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1

preferences:
138.91 ms | 403 KiB | 170 Q