Making a menu to calculate costs.

Here is a burger menu with prices for each. Then the calculations.php page will calculate it. I can "select" items but how do I "submit" for calculations. I have the calcualtions to find a total but how do I display them?

---------index.php------------

burger bliss

x

Burger Types

Tomato Soup $2.50

Chicken Salad $3.50

Bread and Butter $1.00

Main Courses

Grilled Fish and Potatoes $8.50

Italian Pizza $5.50

Veggie Pasta $4.00

Chicken and Potatoes $6.50

Deluxe Burger $5.00

Desserts

Fruit Salad $2.50

Ice cream $2.00

Chocolate Cake $4.00

Cheese $5.50

--------calculations.php---------

//perform grand total calculations function grandTotal($price, $sides) { // sides (optional) $grand_total = ($price + $Quantity) + ($sides * $quant); } function getOrderTotal($item_arr,$price_map) { /** * This function is used to calculate the total price of the items ordered by the customer */ $total = 0; for($i=0;$i //declare variables $order_total = ; $tax = $total * 0.65; //WA state sales tax as of 5/03/17 $grand_total = $order_total + $tax;

//perform grand total calculations function grandTotal($price, $sides){//if ther are sides $grand_total = ($price + $Quantity) + ($sides * $quant); }//end grandTotal()