public static function delete_previous_evaluation_file($modelid, $timesplittingid) {
        if ($file = self::get_previous_evaluation_file($modelid, $timesplittingid)) {
            $file->delete();
            return true;
        }

        return false;
    }
public static function delete_previous_evaluation_file($modelid, $timesplittingid) {
        if ($file = self::get_previous_evaluation_file($modelid, $timesplittingid)) {
            $file->delete();
            return true;
        }

        return false;
    }
public static function delete_previous_evaluation_file ( $ modelid , $ timesplittingid ) { if ( $ file = self :: get_previous_evaluation_file ( $ modelid , $ timesplittingid ) ) { $ file -> delete ( ) ; return true ; } return false ; }
Deletes previous evaluation files of this model.

@param int $modelid
@param string $timesplittingid
@return bool
Deletes previous evaluation files of this model .