Shelly COAP Status per PHP empfangen und in InfluxDB schreiben

<?php
    $port = 5683;
    $socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
    echo "Read Shellys ->  socket creation done: ".$socket."\n"; 
    $bindip="0.0.0.0";
    if(!socket_bind($socket,$bindip,$port)) {echo "Read SMA Energymeter ->  bind failed\n"; exit();  }
    echo "Read Shellys ->  bind on port: ".$port." ip: ".$bindip." done\n";

    $adress = "224.0.1.187"; // Multicast IP used by SMA
    $ret=socket_set_option($socket,IPPROTO_IP,MCAST_JOIN_GROUP,array("group"=>$adress,"interface"=>0));
    if ($ret === false) {echo "Read SMA Energymeter -> Unable to join multicast group";exit();  }
    echo "Read Shellys ->  MCAST join sucessfully done: ".$adress."\n";   

    $fromport= 0;
    $flags   = 0 ;
    $from = '';
    $raw = "Data goes here";
    $len = 400 ;

    echo "Read Shellys ->  start retrieval. Len:".$len."\n";        
    while(1){
        $bytes=socket_recvfrom($socket,$raw,$len,$flags,$from,$fromport);
        print_r($raw);
        echo "Read Shellys ->  socket recieved done. Bytes:".$bytes."\n";
        }
?>