public function import_external_file(stored_file $storedfile, $maxbytes = 0) {
        global $CFG;
        $storedfile->import_external_file_contents($maxbytes);
        $storedfile->delete_reference();
        return $storedfile;
    }
public function import_external_file(stored_file $storedfile, $maxbytes = 0) {
        global $CFG;
        $storedfile->import_external_file_contents($maxbytes);
        $storedfile->delete_reference();
        return $storedfile;
    }
public function import_external_file ( stored_file $ storedfile , $ maxbytes = 0 ) { global $ CFG ; $ storedfile -> import_external_file_contents ( $ maxbytes ) ; $ storedfile -> delete_reference ( ) ; return $ storedfile ; }
Convert file alias to local file

@throws moodle_exception if file could not be downloaded

@param stored_file $storedfile a stored_file instances
@param int $maxbytes throw an exception if file size is bigger than $maxbytes (0 means no limit)
@return stored_file stored_file
Convert file alias to local file