Function: Check if any user has access to specific course

Filter Hook: Filter course access

Function: Get earning summery of an instructor

Function: Get all withdrawals requested by user

Function: Course access methods, this function returns all available methods

Function: Get the course price type,

Filter Hook: Filter the default course price type, return when price type is not set at the course.

Filter Hook: Filter the out of dozent_get_course_price_type(); function

Function: Get course object (post object) from the loop of course | lecture | quiz | assignemnts or by given course ID | lecture ID | quiz ID | assignment ID

Function: Get dozent Course Post Object