Course::get_lessons_number()
Method: Returns the total number of related lessons.
Method: Returns the total number of related lessons.
Method: Returns the total number of related quizzes.
Method: Returns the number of steps a user has completed.
Method: Returns the progress percentage for a user.
Class: Course model class.
Method: Returns allowed post types.
Method: Returns instructors.
Method: Returns a product model based on the course.
Method: Returns related lessons models.
Method: Returns related quizzes models.
Method: Returns a certificate link for a user.
Method: Returns a status slug for a user.
Method: Returns the total number of steps.