Function: Return the course target_audience which belongs with _target_audience meta with the course

Function: Return course target_audience as array, it will convert every line to array elements

Function: Return the placeholder image source

Function: Get all user social links generated by DozentLMS

Function: Hooks a function on to a specific Dozent LMS action.

Function: Redirects to another page.

Function: Store the message for display only one time.

Function: Get the course rating by course ID

Function: Query rating and reviews

Function: Get single review result from database by review ID