Function: Get the DozentLMS course archive URL

Function: Get all available selling platforms

Function: Updates a post meta field based on the given post ID. or delete existing meta if $meta_value is empty

Function: Return the course benefits which belongs with _benefits meta with the course

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Function: Sync course rating by course ID and save rating over view to the course meta.

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Function: Return dozent site logo ID

Function: Get the per page number. Declare how many results show per page based on settings