Online PHP editor | refs for aTo65

<?php function getIntegerIdsFilter($acceptZeroes = false) { return function ($ids) use ($acceptZeroes) { $filteredIds = []; foreach ((array) $ids as $id) { if (is_scalar($id) && ((int) $id || $acceptZeroes)) { var_dump($id); var_dump((int) $id); $filteredIds[] = $id; } } return $filteredIds; }; } $callback = getIntegerIdsFilter(); $callback('');