изменил на
$out .= !self::$user_id || self::$user_id == $user['id'] ? (time() > $res['lastdate'] + 300 ? '<p class="off"><b>' . $user['name'] . '</b></p>' : '<p class="on"><b>' . $user['name'] . '</b></p>') : (time() > $res['lastdate'] + 300 ? '<a href="' . self::$system_set['homeurl'] . '/users/profile.php?user=' . $user['id'] . '"><p class="off"><b>' . $user['name'] . '</b></p></a> ' : '<a href="' . self::$system_set['homeurl'] . '/users/profile.php?user=' . $user['id'] . '"><p class="on"><b>' . $user['name'] . '</b></p></a>');