<codetype="php">// retrieve the first 20 users and all their associated phonenumbers$users = $conn->query("SELECT u.*, p.* FROM User u, u.Phonenumber p LIMIT 20");foreach($users as $user) { print ' --- '.$user->name.' --- \n'; foreach($user->Phonenumber as $p) { print $p->phonenumber.'\n'; }}</code>