infoweb\cms\models\Image::getFileInputWidgetPreview PHP Метод

    public function getFileInputWidgetPreview()
    {
        if ($this->name) {
            return [Html::img($this->getUrl(), ['class' => 'file-preview-image', 'alt' => $this->alt, 'title' => $this->alt])];
        } else {
            return [];
        }
    }