Viewing member of a particular group

<?php
        require("ts3admin.class.php");


        /* Settings */
        $host = "localhost";
        $serverQueryPort = 10011;
        $username = "serveradmin";
        $password = "serverQueryPassword";
        $virtualServerVoicePort = 9987;


        $ts3admin = new ts3admin($host, $serverQueryPort);


        /* Connect to TeamSpeak instance */
        if($ts3admin->getElement('success', $ts3admin->connect())) {
                /* Login */
                $ts3admin->login($username, $password);
                /* Select virtual server */
                $ts3admin->selectServer($virtualServerVoicePort);
                /* Get clientlist of set group id (= sgid) */
                $serverGroupClientList = $ts3admin->serverGroupClientList(12, true);


                if($serverGroupClientList['success']) {
                        $serverGroupClientList = $serverGroupClientList['data'];


                        /* Get clientlist of current online users */
                        $clientList = $ts3admin->clientList();


                        if($clientList['success']) {
                                $clientList = $clientList['data'];


                                $ClientDatabaseIDList = array();
                                foreach($clientList as $row => $value) {
                                        $ClientDatabaseIDList[] = $value['client_database_id'];
                                }


                                /* Create HTML table */
                                echo "<table border='1'>";
                                        echo "<tr>";
                                                echo "<th>Nickname</th>";
                                                echo "<th>State</th>";
                                        echo "</tr>";


                                foreach($serverGroupClientList as $row => $value) {
                                        echo "<tr>";
                                                echo "<td>" . $value['client_nickname'] . "</td>";
                                                echo "<td>";


                                                /* Contains the clientList of current online users the client database id of someone of the servergroup? If yes, write 'Online' in green */
                                                if(in_array($value['cldbid'], $ClientDatabaseIDList)) {
                                                        echo "<font color='green'>Online</font>";
                                                } else {
                                                        echo "<font color='red'>Offline</font>";
                                                }
                                                echo "</td>";
                                        echo "</tr>";
                                }


                                echo "</table>";
                        }
                } else {
                        echo "Could not fetch client list.";
                }
        } else {
                echo "Connection could not be established.";
        }
?>