Function: get lectures by section ID

Function: Get the Course Settings by course id and key

Function: Get the post id either from given ID or from the WordPress loop

Function: Get user id from the given ID for Current UserID

Function: Video Sources Supported by Dozent

Function: Get Video info which attached with this Course|Lecture

Function: Get attachments from Dozent PostType like course | lecture | assignments

Filter Hook: Filter attachments output of dozent_get_attachments() function

Function: Get a subset of the items from the given array.

Function: Get Dozent LMS option