FluentDOM\Query::add PHP 메소드

    public function add($selector, $context = NULL)
    {
        $result = $this->spawn($this);
        if (isset($context)) {
            $result->push($this->spawn($context)->find($selector));
        } elseif (is_object($selector) || is_string($selector) && substr(ltrim($selector), 0, 1) === '<') {
            $result->push($this->build()->getContentNodes($selector));
        } else {
            $result->push($this->find($selector));
        }
        $result->_nodes = $result->unique($result->_nodes);
        return $result;
    }