xyzshop/helper/rbridge/gy/config.php

<?php

namespace rbridge\gy;

class config
{
    const MCH_NOTIFY_URL = 'gy';
    public static function mchid($params)
    {
        $userid = intval($params['userid']);
        return $userid;
    }

    public static function arrayToXml($obj, $array)
    {
        foreach ($array as $k => $v)
        {
            if (is_numeric($k))
                $k = 'item' . $k;
            if (is_array($v)) {
                $node = $obj->addChild($k);
                self::arrayToXml($node, $v);
            } else {
                $obj->addChild($k, htmlspecialchars($v));
            }
        }
    }
}