3v4l.org

run code in 300+ PHP versions simultaneously
<?php $queue = array("orange", "banana"); array_unshift($queue, "apple", "raspberry"); print_r($queue);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => apple [1] => raspberry [2] => orange [3] => banana )
preferences:
160.56 ms | 408 KiB | 5 Q