Запрет получения сообщений

foreach($arradmin as $data) { 
    $uid=$data['users_login']; 
    $name='Support'; 
    DB :: $dbh -> query("INSERT INTO `inbox` (`inbox_author`, `inbox_text`, `inbox_time`) VALUES (?, ?, ?, ?);", array($uid, $name, $msg, SITETIME)); 
    DB :: $dbh -> query("UPDATE `users` SET `users_newprivat`=`users_newprivat`+1 WHERE `users_level`>=? AND `users_level`<=?;", array(101, 105)); 
    }