PhpMigration\Utils\FunctionListExporter::parseParam PHP Метод

    protected function parseParam($droot)
    {
        $param = self::$defaultParam;
        foreach ($droot as $element) {
            $class = $element->attributes()->class;
            $xml = $element->asXML();
            if ($element->getName() == 'code') {
                // Strip CDATA
                $xml = preg_replace('/<!\\[CDATA\\[(.*)\\]\\]>/', '$1', $xml);
            }
            $text = strip_tags($xml);
            if ($class == 'type') {
                $param['type'] = $text;
            } elseif ($class == 'parameter') {
                $param['name'] = $text;
            } elseif ($class == 'parameter reference') {
                $param['name'] = $text;
                $param['reference'] = true;
            } elseif ($class == 'initializer') {
                $param['optional'] = true;
                // FIXME: has default-value isn't meanning be optional
                $param['initializer'] = $text;
            } else {
                throw new \Exception('Unknown param defination class <' . $class . '>');
            }
        }
        return $param;
    }