[PHP]数组与XML互转

arrayAndXML.php

//xml to array
$resultXml = new SimpleXMLElement($result);
            if (!$resultXml)
                return ['status' => false, 'msg' => '微信支付订单生成出错'];
            $resultArr = [];
            foreach ($resultXml as $key => $value) {
                $resultArr[$key] = strval($value);
            }

/**
     * 数组转XML
     * @return SimpleXMLElement $xml
     */
    public static function array2xml($data, $root = null)
    {
        $xml = new SimpleXMLElement($root ? '<' . $root . '/>' : '<root/>');
        array_walk_recursive($data, function ($value, $key) use ($xml) {
            $xml->addChild($key, $value);
        });
        return $xml->asXML();
    }