Method: Get an array of the order notes

Method: Retrieve the last (most recent) transaction processed for the order

Method: Retrieve the date of the last (most recent) transaction

Method: Generate an order key for the order

Method: Determine the date when access will expire

Method: Get the current status of a student’s access

Method: Add an admin-only note to the order visible on the admin panel notes are recorded using the wp comments API & DB

Method: Called after inserting a new order into the database