how to make bill in php and sql - php

Question

i have online shop and i have problem making the Bill for each order
let say someone buy 2 t-shart and 1 shoes it will add to the trolley table wich have prodcutid , usreid , Quantity , now if the user confirm the order how can i create bill with all the item he buy and save it to new database named bills
note that same user may have diffrent bill with different item
this is the code that display the orders and the total price
function CallMyOrder($identificador)
{
global $database_connectoos, $connectoos;
mysql_select_db($database_connectoos, $connectoos);
$query_CoryFuncion = sprintf("SELECT * FROM tbltrolley WHERE idUser = %s AND tbltrolley.intOrderDone = 1 , $identificador);
$CoryFuncion = mysql_query($query_CoryFuncion, $connectoos) or die(mysql_error());
$row_CoryFuncion = mysql_fetch_assoc($CoryFuncion);
$totalRows_CoryFuncion = mysql_num_rows($CoryFuncion);
?>
<?php
if ($totalRows_CoryFuncion > 0) { // Show if recordset not empty
echo " <li> User : ".CallUserName($row_CoryFuncion['idUser']);
$totalPrice =0;
$pricemultnumber;
do {
$pricemultnumber = $row_CoryFuncion['intQuantity'] * CallProductPrice($row_CoryFuncion['idProduct']);
echo "<li><br>";
echo "<img src='../document/product/".CallProductImage($row_CoryFuncion['idProduct'])."' border='0'/>";
echo "Product Name : ".CallProductName($row_CoryFuncion['idProduct']);
echo "<br>";
echo "Quantity : ".$row_CoryFuncion['intQuantity'];
echo "<br>";
echo "Price : ".$pricemultnumber." RM";
echo "<br></li>";
$totalPrice = $totalPrice + $pricemultnumber;
} while ($row_CoryFuncion = mysql_fetch_assoc($CoryFuncion));
echo "<br>";
echo "<p style='font-size: 24px; font-weight: bold;'>Tax : ".CallTax()."</p>";
$multp = (100 + CallTax())/100;
$totalPrice = $totalPrice * $multp;
echo "<p style='font-size: 24px; font-weight: bold;'>Total Price = ".$totalPrice." RM</p>";
}