<?php declare(strict_types=1); namespace funcs { function int(int ...$ints) {} } namespace { function sum(array $ints): int { (funcs\int)(...$ints); return array_sum($ints); } var_dump(sum([1, 2, 3])); var_dump(sum([1, 2, "three"])); }
You have javascript disabled. You will not be able to edit any code.