learndash_set_quiz_questions_dirty()
Function: Sets the ‘dirty’ flag for the quiz.
Quiz
learndash_set_question_quizzes_dirty()
Function: Marks all the quizzes associated with the given question as dirty.
learndash_update_pro_question()
Function: Adds a WPProQuiz question to mirror a Question post (sfwd-question).
learndash_update_question_template()
Function: Handles the question save template logic.
learndash_get_quizzes_for_question()
Function: Gets an array of Quiz IDs where the question is used.
learndash_get_quiz_id()
Function: Gets the quiz ID from a post ID.