Filter Hook: Filter course access

Function: Check if any user has access to specific course

Filter Hook: Filter video streaming URL

Function: Get Lecture Video Streaming URL

Filter Hook: Filter default return value

Filter Hook: Filter default return value by video property

Function: Determine if a post (course | lecture) containing video

Filter Hook: Filter dozent_add_new_course_url() function return;

Function: Return Add new course URL

Function: Get wishlist courses by specific user