@package: Deprecated

Function: Maps the payment button label.

Function: Gets meta for transaction related to PayPal.

Function: Gets meta for transaction related to RazorPay.

Function: Saves current LD version as a transaction meta.

Function: Grabs the final price of the transaction.

Function: Gets meta for transaction related to Stripe.

Function: Gets payment meta for transaction based upon payment processor.

Function: Gets meta for transaction if coupon was used.

Function: Sends the course/group purchase invoice email

Function: Create a unique hash for the pre-purchase action that will validate the return transaction logic.

Function: Get the PayPal purchase success redirect URL.

Function: Get the PayPal purchase cancel redirect URL.

Function: Returns the Quiz ID when submitting the Pro Quiz ID

Function: Prints the dropdown button to the footer.

Function: Checks if the course builder assets should be enqueued.

Function: Outputs the currency symbol.

Function: Gets the currency symbol.

Function: LearnDash user can bypass course limits