Hi Friends,
I need to get the data from the port that sent by an external device connected to my server's IP. I found the data sent by the device in my server using the TCP Port listner . Now i need to get the data to store in mysql.
This is code that i used.

    $host = "";
    $port = 4321;
    echo "Start to Create() socket....";
    $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP) or die("create():".socket_strerror(socket_last_error($socket)));
    echo "Start to Bind() Socket....";
    $result = socket_bind($socket, $host, $port) or die("Bind():".socket_strerror(socket_last_error($socket)));
    while (TRUE)
        $input = socket_read($socket,1024);
        $input = trim($input);
        echo $input;

        ob_flush(); // use both ob_flush and flush to ensure
        flush(); // output is written to the browser window

But it shows "Start to Create() socket....Start to Bind() Socket....Bind():Cannot assign requested address" error.
Please help me to get the from port or where should i run this script to get the data.

This issue is solved by replacing the $host = ""(internet static ip) with server's local ip.

Now the socket is created and bound but gives connection error while read. whats going wrong with this?

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