3v4l.org

run code in 300+ PHP versions simultaneously
<?php $elems = [-1, 3, -4, 5, 1, -6, 2, 1]; function solution(array $A) { // write your code in PHP5.5 $equilibriums = array(); for($i = 0, $n = sizeof($arr);$i < $n;++$i) { if(array_sum(array_slice($arr, 0, $i)) == array_sum(array_slice($arr, $i + 1))) { $equilibriums[] = $i; } } return $equilibriums; }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 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
preferences:
255.38 ms | 404 KiB | 338 Q