FluentDOM\Loader\Html::loadFragment PHP Метод

    public function loadFragment($source, $contentType, $options = [])
    {
        if ($this->supports($contentType)) {
            $options = $this->getOptions($options);
            $loadOptions = (int) $options[self::LIBXML_OPTIONS];
            return $this->captureLibxmlErrors(function () use($source, $loadOptions) {
                $document = new Document();
                $fragment = $document->createDocumentFragment();
                $document->loadHTML('<html-fragment>' . $source . '</html-fragment>', $loadOptions);
                $nodes = $document->evaluate('//html-fragment[1]/node()');
                foreach ($nodes as $node) {
                    $fragment->append($node);
                }
                return $fragment;
            });
        }
        return NULL;
    }