RainLab\Pages\Classes\Page::getParent PHP 메소드

    public function getParent()
    {
        if ($this->parentCache !== null) {
            return $this->parentCache;
        }
        $pageList = new PageList($this->theme);
        $parent = null;
        if ($fileName = $pageList->getPageParent($this)) {
            $parent = static::load($this->theme, $fileName);
        }
        return $this->parentCache = $parent;
    }