- var_dump: documentation ( source)
<?php
$user = new \appointments\models\Users();
$user->load(35388);
if ($user->isLoaded()) {
$subUpdate = new \fastspring\FsprgSubscriptionUpdate($user->subscription_reference);
$subUpdate->proration = true;
$subUpdate->productPath = \appointments\libs\FastSpring::PRODUCT_PATH_LEVEL_2;
$subUpdate->quantity = 1;
$subManager = new \appointments\libs\SubscriptionsManager();
$resp = $subManager->update($user, $subUpdate);
var_dump($resp);
}