public function setShippingMethod()
{
$rates = \GC::getShippingMethodOptions();
$hash = \CI::input()->post('method');
foreach ($rates as $key => $rate) {
$test = md5(json_encode(['key' => $key, 'rate' => $rate]));
if ($hash == $test) {
\GC::setShippingMethod($key, $rate, $hash);
//save the cart
\GC::saveCart();
echo json_encode(['success' => true]);
return false;
}
}
echo json_encode(['error' => lang('shipping_method_is_no_longer_valid')]);
}
