Discount

<?php
$item_price = 60.00;
$quantity = 2;

//sum total
$total_price = $item_price * $quantity;

//check discount
if ($total_price >= 100 ) {
    //calculate 10% discount
    $subtotal = $total_price * 0.10;

    //calculate total after discount
    $total_price_after_discount = $total_price - $subtotal;

    echo 'Harga selepas diskaun :' . $total_price_after_discount;

}else{
    echo 'Tiada diskaun harga:' . $total_price;
}

?>