plesk / api-php-lib

    {

        if ($request instanceof SimpleXMLElement) {

            $request = $request->asXml();

        } else {

            $xml = $this->getPacket();

            if (is_array($request)) {

                $request = $this->_arrayToXml($request, $xml)->asXML();

            } else if (preg_match('/^[a-z]/', $request)) {

                $request = $this->_expandRequestShortSyntax($request, $xml);

            }

        }

        $xml = $this->_performHttpRequest($request);

        $requestXml = $this->getPacket();

        foreach ($requests as $request) {

            if ($request instanceof SimpleXMLElement) {

                // TODO: implement

            } else {

                if (is_array($request)) {

                    $request = $this->_arrayToXml($request, $requestXml)->asXML();

                } else if (preg_match('/^[a-z]/', $request)) {

                    $this->_expandRequestShortSyntax($request, $requestXml);

                }

            }

            $responses[] = $this->request($request);

        }