Method: Date field setter for date fields that require things to be updated when their value changes This is mainly used to allow updating dates which are editable from the admin panel which should trigger additional actions when updated

Method: Get configured payment retry rules

Method: Retrieve an array of transactions associated with the order according to supplied arguments

Method: Calculate the date when billing should applicable to orders created from plans with a set # of billing intervals

Method: Calculate the next payment due date

Method: Calculate the end date of the trial

Method: Determine if the order can be retried for recurring payments