Online PHP editor | refs for igEji

<?php final class ArrayUtils { public static function containsSum(array $data, int $sum): bool { $visited = []; foreach ($data as $v) { if (isset($visited[$sum - $v])) { return true; } $visited[$v] = true; } return false; } } $data = range(0, 49999); shuffle($data); var_dump(ArrayUtils::containsSum($data, 1220)); var_dump(ArrayUtils::containsSum($data, -7));