original_string: public function delete_import_files($contextid) {
          global $USER;
  
          $fs = get_file_storage();
  
          return $fs->delete_area_files($contextid,
                                        'assignfeedback_file',
                                        ASSIGNFEEDBACK_FILE_IMPORT_FILEAREA,
                                        $USER->id);
      }
code: public function delete_import_files($contextid) {
          global $USER;
  
          $fs = get_file_storage();
  
          return $fs->delete_area_files($contextid,
                                        'assignfeedback_file',
                                        ASSIGNFEEDBACK_FILE_IMPORT_FILEAREA,
                                        $USER->id);
      }
code_tokens: public function delete_import_files ( $ contextid ) { global $ USER ; $ fs = get_file_storage ( ) ; return $ fs -> delete_area_files ( $ contextid , 'assignfeedback_file' , ASSIGNFEEDBACK_FILE_IMPORT_FILEAREA , $ USER -> id ) ; }
docstring: Delete all temp files used when importing a zip
  
  @param int $contextid - The context id of this assignment instance
  @return bool true if all files were deleted
docstring_tokens: Delete all temp files used when importing a zip