3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = 2; $b = array(1, 1); $p = array(); $sum = 0; foreach ($b as $n) { $sum += (int) $n; } for ($i = 0; $i < $num - 1; $i++) { for ($j = $i + 1; $j < $num; $j++) { if ($i != $j) { $p[] = array($i, $j); $p[] = array($j, $i); } } } do { $hasCondition = false; foreach ($p as $val) { list($i, $j) = $val; if ($b[$i] > $b[$j]) { $b[$i] = $b[$i] - $b[$j]; $sum -= $b[$j]; $hasCondition = true; } } } while ($hasCondition); echo $sum;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 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
2

preferences:
285.34 ms | 405 KiB | 425 Q