- Revision 3616395: /lifterlms/tags/3.21.0/includes/controllers

• ..
• class.llms.controller.achievements.php
• class.llms.controller.admin.quiz.attempts.php
• class.llms.controller.certificates.php
• class.llms.controller.lesson.progression.php
• class.llms.controller.orders.php
• class.llms.controller.quizzes.php