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run code in 150+ php & hhvm versions
Bugs & Features
<?php function x($n) { echo "Factors for $n are: "; for($i = 1; $i <= $n; $i++) { if ($n % $i == 0 && $i != $n) { $factors[] = $i; echo "$i, "; } elseif ($i == $n) { echo "\n"; } } if ($n == array_sum($factors)) { echo "It's perfect!"; } else { echo "It's not perfect!"; } } x(28); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Factors for 28 are: 1, 2, 4, 7, 14, It's perfect!