Method: Returns the logger path ID.
Source Files: includes/admin/classes-import-export/import/class-learndash-admin-import-file-handler.php
Filter Hook: Filters decoded file line data for files that are being imported per line.
Class: Class LearnDash Admin Import File Handler.
Method: Unzips an archive and saves to the import folder.
Method: Allows to read the file by lines with a foreach loop.