function shipping($sub)
{
$r1 = "";
$r2 = "";
if ($_SESSION["shipping"] == "standard") {
$r1 = "checked";
} else {
$r2 = "checked";
}
$shipping;
echo '<input id = "r1" type="radio" name="option" value="standard" ' . $r1 . ' > Standard Shipping<br>';
echo '<input id = "r2" type="radio" name="option" value="express" ' . $r2 . '> Express Shipping';
echo '<h3 class = "pull-right">Shipping Cost</h3><br>';
//if else that calculates the shipping cost based on it being standard or express.
if (isset($_SESSION["shipping"]) && $_SESSION['shipping'] == "express") {
if ($sub >= 300) {
$shipping = 0;
} else {
$frameC = frameCount();
if ($frameC == 0) {
$shipping = 15;
} elseif ($frameC <= 10) {
$shipping = 25;
} elseif ($frameC > 10) {
$shipping = 45;
} else {
}
}
} else {
if ($sub >= 100) {
$shipping = 0;
} else {
$frameC = frameCount();
if ($frameC == 0) {
$shipping = 5;
} elseif ($frameC <= 10) {
$shipping = 15;
} elseif ($frameC > 10) {
$shipping = 30;
} else {
}
}
}
//outptus shipping cost.
echo "<br><br><br><div id = 'shipCost' class = 'pull-right'>\$" . number_format((double) $shipping, 2, '.', '') . "</div>";
return $shipping;
}
} else {
$frameC = frameCount();
if ($frameC == 0) {
$shipping = 15;
} elseif ($frameC <= 10) {
$shipping = 25;
} elseif ($frameC > 10) {
$shipping = 45;
} else {
}
}
} else {
if ($sub >= 100) {
$shipping = 0;
} else {
$frameC = frameCount();
if ($frameC == 0) {
$shipping = 5;
} elseif ($frameC <= 10) {
$shipping = 15;
} elseif ($frameC > 10) {
$shipping = 30;
} else {
}
}
}
//adds the new shipping cost to the JSON return object.
$shipping = number_format((double) $shipping, 2, '.', '');
$serArr["shipCost"] = $shipping;
}
if (isset($_POST["remove"]) && $_POST["remove"] == "yes") {