php中将SimpleXMLElement Object数组转化为普通数组
做微信开发，鉴于微信POST的消息是XML数据包，通过SimpleXMLElement Object获取的数据不好操作，需要转化为普通数组。
网上找了很多方法都不理想，发现通过json_decode和json_encode可以转化，遂分享给大家。
$postStr = '<xml> <ToUserName><![CDATA[toUser]]></ToUserName> <FromUserName><![CDATA[fromUser]]></FromUserName> <CreateTime>1348831860</CreateTime> <MsgType><![CDATA[text]]></MsgType> <Content><![CDATA[this is a test]]></Content> <MsgId>1234567890123456</MsgId> </xml>';$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);$jsonStr = json_encode($postObj);$jsonArray = json_decode($jsonStr,true);print_r($jsonArray);
输出结果为：
Array( [ToUserName] => toUser [FromUserName] => fromUser [CreateTime] => 1348831860 [MsgType] => text [Content] => this is a test [MsgId] => 1234567890123456)
这样操作起来就容易多了。
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