src/CheckboxButtonGroup.php
public function run()
    {
        $this->registerClientScript();
        return Html::tag(
            'div',
            $this->renderInput().$this->renderButtons(),
            [
                'id' => $this->widgetId
            ]
        );
    }
public function run()
    {
        $this->registerClientScript();
        return Html::tag(
            'div',
            $this->renderInput().$this->renderButtons(),
            [
                'id' => $this->widgetId
            ]
        );
    }
Executes the widget.
@return string the result of widget execution to be outputted.