EXAMPLE to yii2-multiple-input

    <?php echo $form->field($model, '####')->widget(
                            MultipleInput::className(),
                            [
                                'max'               => 6,
                                // should be at least 2 rows
                                'allowEmptyList'    => false,
                                'enableGuessTitle'  => true,
                                'addButtonPosition' => MultipleInput::POS_HEADER // show add button in the header

                            ])
                            ->label(false);
                        ?>