<script>
      function myFunction(){
        <?php
           $servername = "localhost";
           $username = "root";
           $password = "";
           $dbname = "tacos";
           // Create connection
           $conn = new mysqli($servername, $username, $password, $dbname);
           // Check connection
           if ($conn->connect_error) {
               die("Connection failed: " . $conn->connect_error);
           }
           $sql = "INSERT INTO Orders (idOrder_ID, idStatus, Bill)
           VALUES (NULL,'1',$total)";

           if ($conn->query($sql) === TRUE) {
               echo "New record created successfully";
           } else {
               echo "Error: " . $sql . "<br>" . $conn->error;
           }

           $conn->close();
           ?>
         }
      </script>