Help with Teamspeak PHP Framework

[representnab]

Hey all, I am kind of noob with php, so I need some help
I am using subChannelList from TeamSpeak3_Node_Channel, now, foreach sub channel, I want to add/remove a channel group for a specific client using cldbid IN EACH sub channel

foreach($channels as $chan){
<how to get subchannel $cid ?>
$chan = $virt->clientGetByDbid(2)->setChannelGroup($cid,8);

Thanks, much appreciated