//CERCA PER ID- aggiornato n 2

//CERCA PER ID- aggiornato -2
function search_by_post_id2($query) {
    if($query->is_search) {
        if(is_numeric($query->query_vars['search'])) {
            $query->set('post_type', 'any');
            $query->set('include', array((int)$query->query_vars['search']));
            $query->set('search', '');
        }
    }
    return $query;
}
add_filter('pre_get_users', 'search_by_post_id2');