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<?php function x($n) { echo "Factors: "; for($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 git.master, git.master_jit, rfc.property-hooks
Factors: 1 2 4 7 14 It's perfect!

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