framework/grid/GridView.php
public function renderCaption()
    {
        if (!empty($this->caption)) {
            return Html::tag('caption', $this->caption, $this->captionOptions);
        }

        return false;
    }
public function renderCaption()
    {
        if (!empty($this->caption)) {
            return Html::tag('caption', $this->caption, $this->captionOptions);
        }

        return false;
    }
Renders the caption element.
@return bool|string the rendered caption element or `false` if no caption element should be rendered.