3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '123E456' . PHP_EOL; echo 123E456;
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 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
123E456 INF
preferences:
81.91 ms | 1234 KiB | 4 Q