<?php



include('db.php');



$action = $_GET['action'];




$id = $con->real_escape_string(md5($_GET['id']));



if(!$action)

{

    echo "Please enter an action.";

}

else

{

 if($action == "listid")

    {

        $query = $con->query("SELECT * FROM id WHERE macid = '$id'");

        $cnt = $query->num_rows;



        if($cnt > 0)

        {

            echo "1";

        }

        else

        {

            echo "0";

        }

    }

    else

    {

        echo "Invalid action.";

    }

}



?>