src/View/Helper/Menu.php
public function getPagePartial($page)
    {
        if (isset($this->pagePartials[$page])) {
            return $this->pagePartials[$page];
        }

        return null;
    }
public function getPagePartial($page)
    {
        if (isset($this->pagePartials[$page])) {
            return $this->pagePartials[$page];
        }

        return null;
    }
Returns partial view script to use for rendering menu
@param string $page
@return string|array|null