public function render()

in src/Facebook/InstantArticles/Elements/Element.php [33:72]
33 lines of code
4 McCabe index (conditional complexity)

    public function render($doctype = '', $formatted = false, $validate = true)
    {
        $document = new \DOMDocument();
        $document->preserveWhiteSpace = !$formatted;
        $document->formatOutput = $formatted;
        if (!$validate || ($validate && $this->isValid())) {
            $element = $this->toDOMElement($document);
            $document->appendChild($element);
            $rendered = $doctype.$document->saveXML($element, LIBXML_NOEMPTYTAG);
        } else {
            $rendered = '';
        }

        // We can't currently use DOMDocument::saveHTML, because it doesn't produce proper HTML5 markup, so we have to strip CDATA enclosures
        // TODO Consider replacing this workaround with a parent class for elements that will be rendered and in this class use the `srcdoc` attribute to output the (escaped) markup
        $rendered = preg_replace('/<!\[CDATA\[(.*?)\]\]>/is', '$1', $rendered);
        // Fix void HTML5 elements (these can't be closed like in XML)
        $rendered = str_replace('></area>', '/>', $rendered);
        $rendered = str_replace('></base>', '/>', $rendered);
        $rendered = str_replace('></br>', '/>', $rendered);
        $rendered = str_replace('></col>', '/>', $rendered);
        $rendered = str_replace('></command>', '/>', $rendered);
        $rendered = str_replace('></embed>', '/>', $rendered);
        $rendered = str_replace('></hr>', '/>', $rendered);
        $rendered = str_replace('></img>', '/>', $rendered);
        $rendered = str_replace('></input>', '/>', $rendered);
        $rendered = str_replace('></keygen>', '/>', $rendered);
        $rendered = str_replace('></link>', '/>', $rendered);
        $rendered = str_replace('></meta>', '/>', $rendered);
        $rendered = str_replace('></param>', '/>', $rendered);
        $rendered = str_replace('></source>', '/>', $rendered);
        $rendered = str_replace('></track>', '/>', $rendered);
        $rendered = str_replace('></wbr>', '/>', $rendered);
        // createTextNode converts the & of html entities into &amp; - convert it back
        // TODO (timjacobi): can we make this more elegant?
        $rendered = preg_replace('/&amp;([^(\s|;)]*;)/', '&$1', $rendered);
        $rendered = preg_replace_callback('/(src|href|url|link)="([^"]*)"/is', [__CLASS__, 'urlDecoder'], $rendered);

        return $rendered;
    }