fwolf / fwlib

        $ar = [];

        switch ($this->configs['fitMode']) {

            case self::FIT_TO_TITLE:

                $ar = $keyOfTitle;

                break;

            case self::FIT_TO_DATA:

                $ar = $keyOfData;

                break;

            case self::FIT_INTERSECTION:

                $ar = array_intersect($keyOfTitle, $keyOfData);

                break;

            case self::FIT_UNION:

                $ar = array_unique(array_merge($keyOfTitle, $keyOfData));

                break;

            default:

        }

        $this->fitTitle($ar);

        $this->fitData($ar);

            return $listDto;

        }

        switch ($this->mode) {

            case FitMode::TO_TITLE:

                $fittedKeys = $headKeys;

                break;

            case FitMode::TO_DATA:

                $fittedKeys = $bodyKeys;

                break;

            case FitMode::INTERSECTION:

                $fittedKeys = array_intersect($headKeys, $bodyKeys);

                break;

            case FitMode::UNION:

                $fittedKeys =

                    array_unique(array_merge($headKeys, $bodyKeys));

                break;

            default:

                throw new InvalidFitModeException;

        }

        $this->fitHead($listDto, $fittedKeys);

        $this->fitBody($listDto, $fittedKeys);