Function: Migrates the content from a pro quiz object to the quiz custom post type.
Function: Creates a sfwd-quiz post for the given pro quiz ID.
Class: Object that handles LearnDash Quiz Migrations
Method: Retrieves an XML representation of a simple quiz object
Method: Uses the input string variables to fill an XML template.
Method: Returns the XML representation of the question based off of the input string variables
Method: Returns the XML representation of an answer based off of the input string variables
Function: Migrates the LearnDash quiz.
Function: Creates a quiz post for each advanced quiz.