3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nums = [1,4,6]; function addNextNumber($current, array $nums) { $current += array_pop($nums); if (count($nums) === 0) { return $current; } return addNextNumber($current, $nums); } $result = addNextNumber(0, $nums); var_dump($result);
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(11)
preferences:
154.61 ms | 404 KiB | 244 Q