FromXml 支付回调 xml 转数组

    public function xx(){
        $xml = '<xml><appid><![CDATA[xxxxxxxxxxxxx]]></appid>
                <bank_type><![CDATA[CFT]]></bank_type>
                <cash_fee><![CDATA[3500]]></cash_fee>
                <fee_type><![CDATA[CNY]]></fee_type>
                <is_subscribe><![CDATA[N]]></is_subscribe>
                <mch_id><![CDATA[xxxxxxxxxxxx]]></mch_id>
                <nonce_str><![CDATA[xxxxxxxxxxxxx]]></nonce_str>
                <openid><![CDATA[xxxxxxxxxxxxxxxxxxxxxxxxxx]]></openid>
                <out_trade_no><![CDATA[111400xxxxxxxxxxxxxx]]></out_trade_no>
                <result_code><![CDATA[SUCCESS]]></result_code>
                <return_code><![CDATA[SUCCESS]]></return_code>
                <sign><![CDATA[DBBB36A12ECE7E3Cxxxxxxxxxxxxxxxx]]></sign>
                <time_end><![CDATA[20191114005240]]></time_end>
                <total_fee>3500</total_fee>
                <trade_type><![CDATA[JSAPI]]></trade_type>
                <transaction_id><![CDATA[42000004xxxxxxxxxxxxxxxxxxxx3]]></transaction_id>
                </xml>';

        $data = $this->FromXml($xml);
        dump($data);
    }



    public function FromXml($xml)
    {
        if(!$xml){
            throw new WxPayException("xml数据异常！");
        }

        //将XML转为array
        //禁止引用外部xml实体
        libxml_disable_entity_loader(true);
        $this->values = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
        return $this->values;
    }

<pre>array(16) {
["appid"] => string(18) "xxxxxxxxxxxxxxxxxxx"
["bank_type"] => string(3) "CFT"
["cash_fee"] => string(4) "3500"
["fee_type"] => string(3) "CNY"
["is_subscribe"] => string(1) "N"
["mch_id"] => string(10) "xxxxxxxxxxxxx"
["nonce_str"] => string(16) "Oec5xxxxxxxxxxxxx"
["openid"] => string(28) "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
["out_trade_no"] => string(18) "111400522494411933"
["result_code"] => string(7) "SUCCESS"
["return_code"] => string(7) "SUCCESS"
["sign"] => string(32) "DBBB36A12ECxxxxxxxxxxxxxxxxxxxxxxxxxx"
["time_end"] => string(14) "20191114005240"
["total_fee"] => string(4) "3500"
["trade_type"] => string(5) "JSAPI"
["transaction_id"] => string(28) "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
}
</pre>