PHP Channel-Creator

<?PHPrequire_once('libs/TeamSpeak3/TeamSpeak3.php');require_once('config.php');require_once('libs/recaptcha/src/autoload.php');require_once('libs/chadd.php');
$type = @$_GET['type'];
function Response($code, $header, $msg) {	$resp = array(		"code" => $code,		"header" => $header,		"msg" => $msg,	);	$data = json_encode($resp);	echo $data;	exit;}
switch($type) {
case 0:
$request = json_decode(file_get_contents("php://input"));


$recaptcha = new \ReCaptcha\ReCaptcha($secret);$resp = $recaptcha->verify($request->captcha_resp, $_SERVER['REMOTE_ADDR']);
if($resp->isSuccess()) {
 	if($chadd->CheckCookie())  	{ 		Response(406, "Error :(", "You can't create a channel again."); 	}
 	//REPLACE bad words	$request->channelname = $chadd->ReplaceBadString($badwords, $request->channelname);
	if($chadd->CheckStringIP($request->channelname))	{		Response(403, "Error :(", "In your Channel Name is no IP Adress or Domain allowed.");	}
	if($chadd->CheckStringDomain($request->channelname))	{		Response(403, "Error :(", "In your Channel Name is no IP Adress or Domain allowed.");	}
	if($request->quality < 1 || $request->quality > 10)	{		$request->quality = 7;	}
	switch ($request->codec)	{						case 1: 						define("TS3_CODEC", TeamSpeak3::CODEC_OPUS_VOICE);						break; 
						case 2:						define("TS3_CODEC", TeamSpeak3::CODEC_CELT_MONO);						break; 
						case 3: 						define("TS3_CODEC", TeamSpeak3::CODEC_SPEEX_ULTRAWIDEBAND);						break; 
						default:						define("TS3_CODEC", TeamSpeak3::CODEC_OPUS_VOICE);	}
	try {
			$ts3_VirtualServer = TeamSpeak3::factory("serverquery://$ts3_username:$ts3_password@$ts3_host:$ts3_q_port/?server_port=$ts3_s_port");			$ts3_VirtualServer->selfUpdate(array('client_nickname'=> $ts3_nick));
			$client = $ts3_VirtualServer->clientGetByUid($request->uuid);			$groups = $client['client_servergroups'];			$group_matches = 0;
			foreach($allowed_groups as $g)			{				if(in_array($g, $allowed_groups))				{					$group_matches++;				}			}
			if($group_matches <= 0)			{				Response(403, "Not Authorized", "Not allowed to use this tool, you are not in a whitelisted group.");			}
			$cid = $ts3_VirtualServer->channelCreate(array(			"channel_name" => $request->channelname,			"channel_password" => $request->password,			"channel_topic" => $channel_topic,			"channel_codec" => TS3_CODEC,			"channel_codec_quality" => $request->quality,			"channel_flag_permanent" => FALSE,			"cpid"                  => $cpid,			"channel_description" => $channel_description,			));
			//log cid with IP (abuse)			$usr_ip = $_SERVER['REMOTE_ADDR'];			$ts3_VirtualServer->logAdd("Channel $cid created from IP:$usr_ip", TeamSpeak3::LOGLEVEL_INFO);
					$token = $ts3_VirtualServer->privilegeKeyCreate(0x01, "$chadmin_group_id"  ,"$cid", "TOKEN created from CHADD.");
			$chadd->SetCookie();


			$resp = array(					"code" => 1,					"header" => "All fine! :)",					"token" => (string)$token,					"url" => "$server_conn_url?port=$ts3_s_port&cid=$cid&channelpassword=$request->password&token=$token",			);


			$json = json_encode($resp);			echo $json;			exit;
			}
			catch (TeamSpeak3_Exception $e) {					Response(500, "TS3-Error: "+ $e->getCode(), $e->getMessage());			}


} else { 	$errors = $resp->getErrorCodes(); 	if(count($errors) >= 1) 	{ 		Response(403, "Error :(", $errors[0]); 	}}
break;
case 1:
try {		 $ts3_VirtualServer = TeamSpeak3::factory("serverquery://$ts3_username:$ts3_password@$ts3_host:$ts3_q_port/?server_port=$ts3_s_port");		 $ts3_VirtualServer->selfUpdate(array('client_nickname'=> $ts3_nick));		 $clients = $ts3_VirtualServer->clientList(array('connection_client_ip' => $_SERVER['REMOTE_ADDR']));
		 $matches = count($clients);		 if($matches > 1 || $matches <= 0)		 {		 	Response(404, "Client not found.", "Could not determine your Unique ID. Enter your Unique ID.");		 }
		 if($matches == 1)		 {			 foreach($clients as $c)			 {
			 if(count($c->getClones()) > 1)			 {			 	Response(404, "Client not found.", "Could not determine your Unique ID. Enter your Unique ID.");			 }
			 $resp = array(			 	"code" => 200,			 	"header" => "Authenticated",			 	"uuid" => (string)$c['client_unique_identifier'],			 	"name" => (string)$c['client_nickname'],			 );
			 $json = json_encode($resp);			 echo $json;			 exit;
			}		}	 }catch (TeamSpeak3_Exception $e) {		  Response(500, "TS3-Error: "+ $e->getCode(), $e->getMessage());}
break;
}?>