FoxyShop Quantity Viewer

//This function will show your product's computed amount discounts for Quantity purchases.
//Can be placed on the FoxyShop single product template

function my_discount_viewer() {
    global $product;
    $discount_quantity_amount = $product['discount_quantity_amount'];
    if (!$discount_quantity_amount) return;

    $title = substr($discount_quantity_amount, 0, strpos($discount_quantity_amount,"{"));
    $str_discount = substr($discount_quantity_amount, strpos($discount_quantity_amount,"{") + 1);
    $str_discount = str_replace("}","",$str_discount);
    echo '<table class="foxyshop_discount_table">';
    echo '<thead><tr><th colspan="2">' . $title . '</th></tr></thead><tbody>';

    $arr_discount = explode("|", $str_discount);

    for ($i = 0; $i <= sizeof($arr_discount); $i++) {
        $discount = $arr_discount[$i];
        $discount_total = 0;
        if (strpos($discount,"-") === false && strpos($discount,"+") === false) continue;

        if (strpos($discount,"-") !== false) {
            $discount_operator = "-";
            $arr_inner_discount = explode("-",$discount);
        } else {
            $discount_operator = "+";
            $arr_inner_discount = explode("+",$discount);
        }
        $discount_start = $arr_inner_discount[0];

        echo "<tr><td>";
        echo $discount_start;
        if (!isset($arr_discount[$i+1])) {
            echo "+";
        } else {
            if (strpos($arr_discount[$i+1],"-") !== false) {
                $arr_second_inner_discount = explode("-",$arr_discount[$i+1]);
            } else {
                $arr_second_inner_discount = explode("+",$arr_discount[$i+1]);
            }
            $discount_end = (int)$arr_second_inner_discount[0];
            echo " - " . ($discount_end - 1);
        }
        echo "</td><td>";

        echo $discount_operator . foxyshop_currency($arr_inner_discount[1]) . '/ea.';

        echo "</td></tr>";
    }

    echo "</tbody></table>";
}