/**
* This does not extend the subscription period - it only gives a potential new endDate
*
* @param PcSubscriptionType $subscriptionType
* @param string $startDate (in the form YYYY-mm-dd) - the date from when to start the new subscription period
* @return integer (timestamp)
*/
public function getNewExpiryDateAfterSubscription(PcSubscriptionType $subscriptionType, $startDate)
{
list($startDateYear, $startDateMonth, $startDateDay) = explode('-', $startDate);
$startDateTimeStamp = mktime(0, 0, 0, $startDateMonth, $startDateDay, $startDateYear);
return strtotime($subscriptionType->getExpirationTimeExpression(), $startDateTimeStamp);
}
