3v4l.org

run code in 500+ PHP versions simultaneously
<?php $data = array(54,12,61,98,88, 92,45,22,13,36); $halfway = count($data)/ 2; for ($i = 0; $i < $halfway; $i++) { $j = $i + $halfway; echo $data[$j] - $data[$i].PHP_EOL; }
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 - 8.4.21, 8.5.0 - 8.5.7
38 33 -39 -85 -52
preferences:
73.74 ms | 1252 KiB | 4 Q