dosamigos\datepicker\DateRangePicker::run PHP Метод

    public function run()
    {
        if ($this->form) {
            Html::addCssClass($this->options, 'datepicker-from');
            Html::addCssClass($this->optionsTo, 'datepicker-to');
            $inputFrom = $this->form->field($this->model, $this->attribute, ['template' => '{input}{error}', 'options' => ['class' => 'input-group datepicker-range']])->textInput($this->options);
            $inputTo = $this->form->field($this->model, $this->attributeTo, ['template' => '{input}{error}', 'options' => ['class' => 'input-group datepicker-range']])->textInput($this->optionsTo);
        } else {
            $inputFrom = $this->hasModel() ? Html::activeTextInput($this->model, $this->attribute, $this->options) : Html::textInput($this->name, $this->value, $this->options);
            $inputTo = $this->hasModel() ? Html::activeTextInput($this->model, $this->attributeTo, $this->optionsTo) : Html::textInput($this->nameTo, $this->valueTo, $this->optionsTo);
        }
        echo Html::tag('div', strtr($this->_template, ['{inputFrom}' => $inputFrom, '{labelTo}' => $this->labelTo, '{inputTo}' => $inputTo]), $this->containerOptions);
        $this->registerClientScript();
    }