Function: Get the fully formatted payment amount. The payment amount is retrieved using edd_get_payment_amount() and is then sent through edd_currency_filter() and edd_format_amount() to format the amount correctly.

Function: Get the amount associated with a payment

Function: Get the currency code a payment was made in

Function: Get the currency name a payment was made in

Function: Get the purchase key for a purchase

Function: Get the payment order number

Function: Formats the payment number with the prefix and postfix

Function: Gets the next available order number

Function: Get the gateway associated with a payment