Woocomerce. How to exclude (hide) products from catalog and search result?

We have function like that:

must_be_hide($post_id) {
  $bool = in_array($post_id, array(1, 2, 3, 4 ,5));
  return $bool;
}

How with this function hide product from woocomerce catalog (shop) and search result?

via Chebli Mohamed