3v4l.org

run code in 300+ 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
38 33 -39 -85 -52

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113.77 ms | 406 KiB | 5 Q