zhangv\wechat\WechatPay

Complexity

Total Complexity

157

Size/Duplication

Total Lines	1104
Duplicated Lines	0 %

Importance

Changes

0

56 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	sendGroupRedPack()	0	18	3
A	getConfig()	0	2	1
B	onRefundedNotify()	0	12	5
A	downloadBill()	0	7	1
A	refundByOutTradeNo()	0	9	3
A	array2xml()	0	8	4
A	setHttpClient()	0	2	1
A	closeOrder()	0	6	1
A	setConfig()	0	2	1
B	getMwebUrl()	0	12	5
A	transferBankCard()	0	13	2
A	getWechatOAuth()	0	5	2
A	downloadFundFlow()	0	8	1
A	getSignPackage()	0	16	2
A	transferWallet()	0	14	4
A	getHbInfo()	0	7	1
C	processResponseXML()	0	26	7
A	sendRedPack()	0	17	3
A	queryTransferBankCard()	0	7	1
B	onPaidNotify()	0	12	5
B	getCodeUrl()	0	12	5
A	sendCoupon()	0	9	3
A	shortUrl()	0	6	1
B	getTicket()	0	20	8
A	batchQueryComment()	0	10	1
A	getPackage()	0	19	3
A	xml2array()	0	12	3
B	report()	0	17	7
A	refundByTransactionId()	0	9	3
A	reverseByOutTradeNo()	0	6	1
A	queryOrderByOutTradeNo()	0	6	1
A	convertPKCS1toPKCS8()	0	7	1
A	queryRefundByRefundId()	0	7	1
A	authCodeToOpenId()	0	6	1
D	post()	0	37	10
A	microPay()	0	10	3
B	sign()	0	15	6
A	queryRefundByOutRefundNo()	0	7	1
A	getNonceStr()	0	2	1
A	getPrepayIdAPP()	0	10	3
A	queryOrderByTransactionId()	0	6	1
A	queryCouponStock()	0	6	1
A	queryCouponsInfo()	0	8	3
A	setWechatOAuth()	0	2	1
A	validateSign()	0	7	2
A	getSignKey()	0	5	1
B	getPrepayId()	0	12	5
A	responseNotify()	0	8	2
A	queryRefundByTransactionId()	0	7	1
A	reverseByTransactionId()	0	6	1
A	rsaEncrypt()	0	9	2
A	getPublicKey()	0	18	4
A	queryRefundByOutTradeNo()	0	7	1
A	queryTransferWallet()	0	7	1
F	unifiedOrder()	0	26	14

<?php
/**
 * @license MIT
 * @author zhangv
 */
namespace zhangv\wechat;

use \Exception;

class WechatPay {
	const TRADETYPE_JSAPI = 'JSAPI',TRADETYPE_NATIVE = 'NATIVE',TRADETYPE_APP = 'APP',TRADETYPE_MWEB = 'MWEB';
	const SIGNTYPE_MD5 = 'MD5', SIGNTYPE_HMACSHA256 = 'HMAC-SHA256';
	const CHECKNAME_FORCECHECK = 'FORCE_CHECK',CHECKNAME_NOCHECK = 'NO_CHECK';
	const ACCOUNTTYPE_BASIC = 'Basic',ACCOUNTTYPE_OPERATION = 'Operation',ACCOUNTTYPE_FEES = 'Fees';
	/** 支付 */
	const URL_UNIFIEDORDER = "https://api.mch.weixin.qq.com/pay/unifiedorder";
	const URL_ORDERQUERY = "https://api.mch.weixin.qq.com/pay/orderquery";
	const URL_CLOSEORDER = 'https://api.mch.weixin.qq.com/pay/closeorder';
	const URL_REFUND = 'https://api.mch.weixin.qq.com/secapi/pay/refund';
	const URL_REFUNDQUERY = 'https://api.mch.weixin.qq.com/pay/refundquery';
	const URL_DOWNLOADBILL = 'https://api.mch.weixin.qq.com/pay/downloadbill';
	const URL_DOWNLOAD_FUND_FLOW = 'https://api.mch.weixin.qq.com/pay/downloadfundflow';
	const URL_REPORT = 'https://api.mch.weixin.qq.com/payitil/report';
	const URL_SHORTURL = 'https://api.mch.weixin.qq.com/tools/shorturl';
	const URL_MICROPAY = 'https://api.mch.weixin.qq.com/pay/micropay';
	const URL_GETHBINFO = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/gethbinfo';
	const URL_BATCHQUERYCOMMENT = 'https://api.mch.weixin.qq.com/billcommentsp/batchquerycomment';
	const URL_REVERSE = 'https://api.mch.weixin.qq.com/secapi/pay/reverse';
	const URL_AUTHCODETOOPENID = 'https://api.mch.weixin.qq.com/tools/authcodetoopenid';
	/** 红包 */
	const URL_SENDREDPACK = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack';
	const URL_SENDGROUPREDPACK = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendgroupredpack';
	/** 企业付款 */
	const URL_TRANSFER_WALLET = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';
	const URL_QUERY_TRANSFER_WALLET = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/gettransferinfo';
	const URL_TRANSFER_BANKCARD = 'https://api.mch.weixin.qq.com/mmpaysptrans/pay_bank';
	const URL_QUERY_TRANSFER_BANKCARD = 'https://api.mch.weixin.qq.com/mmpaysptrans/query_bank';
	/** 代金券 */
	const URL_SEND_COUPON = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/send_coupon';
	const URL_QUERY_COUPON_STOCK = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/query_coupon_stock';
	const URL_QUERY_COUPON_INFO = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/querycouponsinfo';
	/** Sandbox获取测试公钥 */
	const URL_GETPUBLICKEY = 'https://fraud.mch.weixin.qq.com/risk/getpublickey';
	public static $BANKCODE = ['工商银行' => '1002', '农业银行' => '1005', '中国银行' => '1026', '建设银行' => '1003', '招商银行' => '1001',
		'邮储银行' => '1066', '交通银行' => '1020', '浦发银行' => '1004', '民生银行' => '1006', '兴业银行' => '1009', '平安银行' => '1010',
		'中信银行' => '1021', '华夏银行' => '1025', '广发银行' => '1027', '光大银行' => '1022', '北京银行' => '1032', '宁波银行' => '1056',];

	public $getSignKeyUrl = "https://api.mch.weixin.qq.com/sandboxnew/pay/getsignkey";
	public $sandbox = false;

	/** @var string */
	public $returnCode;
	/** @var string */
	public $returnMsg;
	/** @var string */
	public $resultCode;
	/** @var string */
	public $errCode;
	/** @var string */
	public $errCodeDes;
	/** @var string */
	public $requestXML = null;
	/** @var string */
	public $responseXML = null;
	/** @var array */
	public $requestArray = null;
	/** @var array */
	public $responseArray = null;
	/** @var array */
	private $config;
	/** @var HttpClient */
	private $httpClient = null;
	/** @var WechatOAuth */
	private $wechatOAuth = null;

	/**
	 * @param $config array 配置
	 */
	public function __construct(array $config) {
		$this->config = $config;
		$this->httpClient = new HttpClient(5);
	}

	public function setWechatOAuth($wechatOAuth){
		$this->wechatOAuth = $wechatOAuth;
	}

	public function getWechatOAuth(){
		if(!$this->wechatOAuth){
			$this->wechatOAuth = new WechatOAuth($this->config['app_id'],$this->config['app_secret']);
		}
		return $this->wechatOAuth;
	}

	public function setConfig($config){
		$this->config = $config;
	}

	public function getConfig(){
		return $this->config;
	}

	public function setHttpClient($httpClient){
		$this->httpClient = $httpClient;
	}

	/**
	 * 获取JSAPI(公众号/小程序)的预支付单信息(prepay_id)
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1
	 * @param $body string 内容
	 * @param $out_trade_no string 商户订单号
	 * @param $total_fee int 总金额
	 * @param $openid string openid
	 * @param $spbill_create_ip
	 * @param $ext array
	 * @return string
	 * @throws \Exception
	 */
	public function getPrepayId($body,$out_trade_no,$total_fee,$openid,$spbill_create_ip = null,$ext = null) {
		$data = ($ext && is_array($ext))?$ext:array();
		$data["body"]         = $body;
		$data["out_trade_no"] = $out_trade_no;
		$data["total_fee"]    = $total_fee;
		$data["spbill_create_ip"] = $spbill_create_ip?:$_SERVER["REMOTE_ADDR"];
		$data["notify_url"]   = $this->config["notify_url"];
		$data["trade_type"]   = WechatPay::TRADETYPE_JSAPI;
		if(!$openid) throw new Exception('openid is required when trade_type is JSAPI');
		$data["openid"]   = $openid;
		$result = $this->unifiedOrder($data);
		return $result["prepay_id"];
	}

	/**
	 * 获取APP的的预支付单信息(prepay_id)(注意这里的appid是从开放平台申请的)
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=9_1
	 * @param $body string 内容
	 * @param $out_trade_no string 商户订单号
	 * @param $total_fee int 总金额
	 * @param $spbill_create_ip string 终端ID
	 * @param $ext array
	 * @return string
	 */
	public function getPrepayIdAPP($body,$out_trade_no,$total_fee,$spbill_create_ip,$ext = null) {
		$data = ($ext && is_array($ext))?$ext:array();
		$data["body"]         = $body;
		$data["out_trade_no"] = $out_trade_no;
		$data["total_fee"]    = $total_fee;
		$data["spbill_create_ip"] = $spbill_create_ip;
		$data["notify_url"]   = $this->config["notify_url"];
		$data["trade_type"]   = WechatPay::TRADETYPE_APP;
		$result = $this->unifiedOrder($data);
		return $result["prepay_id"];
	}

	/**
	 * 扫码支付(模式二)获取支付二维码
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/native.php?chapter=9_1
	 * @param $body
	 * @param $out_trade_no
	 * @param $total_fee
	 * @param $product_id
	 * @param $spbill_create_ip string 本地IP
	 * @param $ext array
	 * @return string
	 * @throws Exception
	 */
	public function getCodeUrl($body,$out_trade_no,$total_fee,$product_id,$spbill_create_ip = null,$ext = null){
		$data = ($ext && is_array($ext))?$ext:array();
		$data["body"]         = $body;
		$data["out_trade_no"] = $out_trade_no;
		$data["total_fee"]    = $total_fee;
		$data["spbill_create_ip"] = $spbill_create_ip?:$_SERVER["SERVER_ADDR"];
		$data["notify_url"]   = $this->config["notify_url"];
		$data["trade_type"]   = self::TRADETYPE_NATIVE;
		if(!$product_id) throw new Exception('product_id is required when trade_type is NATIVE');
		$data["product_id"]   = $product_id;
		$result = $this->unifiedOrder($data);
		return $result["code_url"];
	}

	/**
	 * H5支付获取支付跳转链接
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/H5.php?chapter=9_20&index=1
	 * @param $body string 商品描述
	 * @param $out_trade_no string 商户订单号
	 * @param $total_fee int 总金额(分)
	 * @param $ext array
	 * @return string
	 * @throws Exception
	 */
	public function getMwebUrl($body,$out_trade_no,$total_fee,$ext = null){
		$data = ($ext && is_array($ext))?$ext:array();
		$data["body"]         = $body;
		$data["out_trade_no"] = $out_trade_no;
		$data["total_fee"]    = $total_fee;
		$data["spbill_create_ip"] = isset($_SERVER["REMOTE_ADDR"])?$_SERVER["REMOTE_ADDR"]:'';
		$data["notify_url"]   = $this->config["notify_url"];
		$data["trade_type"]   = self::TRADETYPE_MWEB;
		if(!isset($this->config['h5_scene_info'])) throw new Exception('h5_scene_info should be configured');
		$data["scene_info"]   = json_encode($this->config['h5_scene_info']);
		$result = $this->unifiedOrder($data);
		return $result["mweb_url"];
	}

	/**
	 * 统一下单接口
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_1
	 * @param array $params
	 * @throws Exception
	 * @return string JSON
	 */
	public function unifiedOrder($params) {
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["device_info"] = (isset($params['device_info'])&&trim($params['device_info'])!='')?$params['device_info']:null;
		$data["body"] = $params['body'];
		$data["detail"] = isset($params['detail'])?$params['detail']:null;//optional
		$data["attach"] = isset($params['attach'])?$params['attach']:null;//optional
		$data["out_trade_no"] = isset($params['out_trade_no'])?$params['out_trade_no']:null;
		$data["fee_type"] = isset($params['fee_type'])?$params['fee_type']:'CNY';
		$data["total_fee"]    = $params['total_fee'];
		$data["spbill_create_ip"] = $params['spbill_create_ip'];
		$data["time_start"] = isset($params['time_start'])?$params['time_start']:null;//optional
		$data["time_expire"] = isset($params['time_expire'])?$params['time_expire']:null;//optional
		$data["goods_tag"] = isset($params['goods_tag'])?$params['goods_tag']:null;
		$data["notify_url"] = $this->config["notify_url"];
		$data["trade_type"] = $params['trade_type'];
		if($params['trade_type'] == WechatPay::TRADETYPE_NATIVE){
			if(!isset($params['product_id'])) throw new Exception('product_id is required when trade_type is NATIVE');
			$data["product_id"] = $params['product_id'];
		}
		if($params['trade_type'] == WechatPay::TRADETYPE_JSAPI){
			if(!isset($params['openid'])) throw new Exception('openid is required when trade_type is JSAPI');
			$data["openid"] = $params['openid'];
		}
		$result = $this->post(self::URL_UNIFIEDORDER, $data);
		return $result;
	}

	/**
	 * 查询订单（根据微信订单号）
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_2
	 * @param $transaction_id string 微信订单号
	 * @return array
	 */
	public function queryOrderByTransactionId($transaction_id){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["transaction_id"] = $transaction_id;
		$result = $this->post(self::URL_ORDERQUERY, $data);
		return $result;
	}

	/**
	 * 查询订单（根据商户订单号）
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_2
	 * @param $out_trade_no string 商户订单号
	 * @return array
	 */
	public function queryOrderByOutTradeNo($out_trade_no){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["out_trade_no"] = $out_trade_no;
		$result = $this->post(self::URL_ORDERQUERY, $data);
		return $result;
	}

	/**
	 * 查询退款（根据微信订单号）
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_5
	 * @param $transaction_id string 微信交易号
	 * @param $offset int 偏移
	 * @return array
	 */
	public function queryRefundByTransactionId($transaction_id,$offset = 0){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["transaction_id"] = $transaction_id;
		$data["offset"] = $offset;
		$result = $this->post(self::URL_REFUNDQUERY, $data);
		return $result;
	}

	/**
	 * 查询退款（根据商户订单号）
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_5
	 * @param $out_trade_no string 商户交易号
	 * @param $offset int 偏移
	 * @return array
	 */
	public function queryRefundByOutTradeNo($out_trade_no,$offset = 0){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["out_trade_no"] = $out_trade_no;
		$data["offset"] = $offset;
		$result = $this->post(self::URL_REFUNDQUERY, $data);
		return $result;
	}

	/**
	 * 查询退款（根据微信退款单号）
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_5
	 * @param $refund_id string 微信退款单号
	 * @param $offset int 偏移
	 * @return array
	 */
	public function queryRefundByRefundId($refund_id,$offset = 0){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["refund_id"] = $refund_id;
		$data["offset"] = $offset;
		$result = $this->post(self::URL_REFUNDQUERY, $data);
		return $result;
	}

	/**
	 * 查询退款（根据商户退款单号）
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_5
	 * @param $out_refund_no string 商户退款单号
	 * @param $offset int 偏移
	 * @return array
	 */
	public function queryRefundByOutRefundNo($out_refund_no,$offset = 0){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["out_refund_no"] = $out_refund_no;
		$data["offset"] = $offset;
		$result = $this->post(self::URL_REFUNDQUERY, $data);
		return $result;
	}

	/**
	 * 关闭订单
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_3
	 * @param $out_trade_no string 商户订单号
	 * @return array
	 */
	public function closeOrder($out_trade_no){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["out_trade_no"] = $out_trade_no;
		$result = $this->post(self::URL_CLOSEORDER, $data,false);
		return $result;
	}

	/**
	 * 申请退款 - 使用商户订单号
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_4
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_4
	 * @param $out_trade_no string 商户订单号
	 * @param $out_refund_no string 商户退款单号
	 * @param $total_fee int 总金额（单位：分）
	 * @param $refund_fee int 退款金额（单位：分）
	 * @param $ext array 扩展数组
	 * @return array
	 */
	public function refundByOutTradeNo($out_trade_no,$out_refund_no,$total_fee,$refund_fee,$ext = array()){
		$data = ($ext && is_array($ext))?$ext:array();
		$data["appid"] = $this->config["app_id"];
		$data["out_trade_no"] = $out_trade_no;
		$data["out_refund_no"] = $out_refund_no;
		$data["total_fee"] = $total_fee;
		$data["refund_fee"] = $refund_fee;
		$result = $this->post(self::URL_REFUND, $data,true);
		return $result;
	}

	/**
	 * 申请退款 - 使用微信订单号
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_4
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_4
	 * @param $transaction_id string 微信订单号
	 * @param $out_refund_no string 商户退款单号
	 * @param $total_fee int 总金额（单位：分）
	 * @param $refund_fee int 退款金额（单位：分）
	 * @param $ext array 扩展数组
	 * @return array
	 */
	public function refundByTransactionId($transaction_id,$out_refund_no,$total_fee,$refund_fee,$ext = array()){
		$data = ($ext && is_array($ext))?$ext:array();
		$data["appid"] = $this->config["app_id"];
		$data["transaction_id"] = $transaction_id;
		$data["out_refund_no"] = $out_refund_no;
		$data["total_fee"] = $total_fee;
		$data["refund_fee"] = $refund_fee;
		$result = $this->post(self::URL_REFUND, $data,true);
		return $result;
	}

	/**
	 * 撤销订单 - 使用商户订单号
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_11&index=3
	 * @param $out_trade_no string 商户订单号
	 * @return array
	 */
	public function reverseByOutTradeNo($out_trade_no){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["out_trade_no"] = $out_trade_no;
		$result = $this->post(self::URL_REVERSE, $data,true);
		return $result;
	}

	/**
	 * 撤销订单 - 使用微信订单号
	 * @ref  https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_11&index=3
	 * @param $transaction_id string 微信订单号
	 * @return array
	 */
	public function reverseByTransactionId($transaction_id){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["transaction_id"] = $transaction_id;
		$result = $this->post(self::URL_REVERSE, $data,true);
		return $result;
	}

	/**
	 * 下载对账单
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_6
	 * @param $bill_date string 下载对账单的日期，格式：20140603
	 * @param $bill_type string 类型 ALL|SUCCESS
	 * @return array
	 */
	public function downloadBill($bill_date,$bill_type = 'ALL'){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["bill_date"] = $bill_date;
		$data["bill_type"] = $bill_type;
		$result = $this->post(self::URL_DOWNLOADBILL, $data);
		return $result;
	}

	/**
	 * 下载资金账单
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_18&index=7
	 * @param $bill_date string 资金账单日期，格式：20140603
	 * @param $account_type string 资金账户类型 Basic|Operation|Fees
	 * @param $tar_type string 压缩账单
	 * @return array
	 */
	public function downloadFundFlow($bill_date,$account_type = self::ACCOUNTTYPE_BASIC,$tar_type = 'GZIP'){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["bill_date"] = $bill_date;
		$data["account_type"] = $account_type;
		$data["tar_type"] = $tar_type;
		$result = $this->post(self::URL_DOWNLOAD_FUND_FLOW, $data);
		return $result;
	}

	/**
	 * 发放普通红包
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/cash_coupon.php?chapter=13_4&index=3
	 * @param $mch_billno string 商户订单号
	 * @param $send_name string 商户名称
	 * @param $re_openid string 用户openid
	 * @param $total_amount int 付款金额 单位分
	 * @param $total_num int 红包发放总人数
	 * @param $wishing string 红包祝福语
	 * @param $act_name string 活动名称
	 * @param $remark string 备注
	 * @param $scene_id string 场景id,发放红包使用场景，红包金额大于200时必传 PRODUCT_1:商品促销 PRODUCT_2:抽奖 PRODUCT_3:虚拟物品兑奖 PRODUCT_4:企业内部福利 PRODUCT_5:渠道分润 PRODUCT_6:保险回馈 PRODUCT_7:彩票派奖 PRODUCT_8:税务刮奖
	 * @param $riskinfo string 活动信息
	 * @param $consume_mch_id string 资金授权商户号
	 * @return array
	 * @throws Exception
	 */
	public function sendRedPack($mch_billno,$send_name,$re_openid,$total_amount,$total_num,$wishing,$act_name,$remark,$scene_id = '',$riskinfo = '',$consume_mch_id = ''){
		$data = array();
		$data["wxappid"] = $this->config["app_id"];
		$data["mch_billno"] = $mch_billno;
		$data["send_name"] = $send_name;
		$data["re_openid"] = $re_openid;
		$data["total_amount"] = $total_amount;
		if($total_amount > 20000 && trim($scene_id)=='') throw new Exception("scene_id is required when total_amount beyond 20000");
		$data["total_num"] = $total_num;
		$data["wishing"] = $wishing;
		$data["act_name"] = $act_name;
		$data["remark"] = $remark;
		$data["scene_id"] = $scene_id;
		$data["riskinfo"] = $riskinfo;
		$data["consume_mch_id"] = $consume_mch_id;
		$result = $this->post(self::URL_SENDREDPACK, $data, true); //cert is required
		return $result;
	}

	/**
	 * 发放裂变红包
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/cash_coupon.php?chapter=13_5&index=4
	 * @param $mch_billno string 商户订单号
	 * @param $send_name string 商户名称
	 * @param $re_openid string 用户openid
	 * @param $total_amount int 付款金额 单位分
	 * @param $total_num int 红包发放总人数
	 * @param $wishing string 红包祝福语
	 * @param $act_name string 活动名称
	 * @param $remark string 备注
	 * @param $scene_id string 场景id,发放红包使用场景，红包金额大于200时必传 PRODUCT_1:商品促销 PRODUCT_2:抽奖 PRODUCT_3:虚拟物品兑奖 PRODUCT_4:企业内部福利 PRODUCT_5:渠道分润 PRODUCT_6:保险回馈 PRODUCT_7:彩票派奖 PRODUCT_8:税务刮奖
	 * @param $riskinfo string 活动信息
	 * @param $consume_mch_id string 资金授权商户号
	 * @return array
	 * @throws Exception
	 */
	public function sendGroupRedPack($mch_billno,$send_name,$re_openid,$total_amount,$total_num,$wishing,$act_name,$remark,$scene_id = '',$riskinfo = '',$consume_mch_id = ''){
		$data = array();
		$data["wxappid"] = $this->config["app_id"];//NOTE: WXappid
		$data["mch_billno"] = $mch_billno;
		$data["send_name"] = $send_name;
		$data["re_openid"] = $re_openid;
		$data["total_amount"] = $total_amount;
		if($total_amount > 20000 && trim($scene_id)=='') throw new Exception("scene_id is required when total_amount beyond 20000(200rmb)");
		$data["total_num"] = $total_num;
		$data["amt_type"] = 'ALL_RAND'; //红包金额设置方式 ALL_RAND—全部随机
		$data["wishing"] = $wishing;
		$data["act_name"] = $act_name;
		$data["remark"] = $remark;
		$data["scene_id"] = $scene_id;
		$data["riskinfo"] = $riskinfo;
		$data["consume_mch_id"] = $consume_mch_id;
		$result = $this->post(self::URL_SENDGROUPREDPACK, $data, true); //cert is required
		return $result;
	}

	/**
	 * 查询红包记录
	 * @param $mch_billno string 商户订单号
	 * @return array
	 * @throws Exception
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/cash_coupon.php?chapter=13_6&index=5
	 */
	public function getHbInfo($mch_billno){
		$data = array();
		$data["mch_billno"] = $mch_billno;
		$data["appid"] = $this->config["app_id"];
		$data["bill_type"] = 'MCHT'; //MCHT:通过商户订单号获取红包信息。
		$result = $this->post(self::URL_GETHBINFO, $data, true); //cert is required
		return $result;
	}

	/**
	 * 拉取订单评价数据
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_17&index=11
	 * @param string $begin_time 开始时间,格式为yyyyMMddHHmmss
	 * @param string $end_time 结束时间,格式为yyyyMMddHHmmss
	 * @param int $offset 偏移
	 * @param int $limit 条数
	 * @return array
	 */
	public function batchQueryComment($begin_time,$end_time,$offset = 0,$limit = 200){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["begin_time"] = $begin_time;
		$data["end_time"] = $end_time;
		$data["offset"] = $offset;
		$data["limit"] = $limit;
		$data["sign"] = $this->sign($data,WechatPay::SIGNTYPE_HMACSHA256);
		$result = $this->post(self::URL_BATCHQUERYCOMMENT, $data, true); //cert is required
		return $result;
	}

	/**
	 * 获取支付参数(JSAPI - 公众号/小程序支付 , APP - APP支付)
	 * @param $prepay_id string 预支付ID
	 * @param $trade_type string 支付类型
	 * @return array
	 */
	public function getPackage($prepay_id, $trade_type = WechatPay::TRADETYPE_JSAPI) {
		$data = array();
		if ($trade_type == WechatPay::TRADETYPE_JSAPI){
			$data["package"]   = "prepay_id=$prepay_id";
			$data["timeStamp"] = time();
			$data["nonceStr"]  = $this->getNonceStr();
			$data["appId"] = $this->config["app_id"];
			$data["signType"]  = "MD5";
			$data["paySign"]   = $this->sign($data);
		} else if ($trade_type == WechatPay::TRADETYPE_APP){
			$data["package"]   = "Sign=WXPay";
			$data['prepayid'] = $prepay_id;
			$data['partnerid'] = $this->config["mch_id"];
			$data["timestamp"] = time();
			$data["noncestr"]  = $this->getNonceStr();
			$data["appid"] = $this->config["app_id"];
			$data["sign"]   = $this->sign($data);
		}
		return $data;
	}

	/**
	 * 提交刷卡支付
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_10&index=1
	 * @param $body
	 * @param $out_trade_no
	 * @param $total_fee
	 * @param $spbill_create_ip
	 * @param $auth_code
	 * @param array $ext
	 * @return array
	 */
	public function microPay($body,$out_trade_no,$total_fee,$spbill_create_ip,$auth_code,$ext = array()){
		$data = (!empty($ext) && is_array($ext))?$ext:array();
		$data["appid"] = $this->config["app_id"];
		$data["body"]         = $body;
		$data["out_trade_no"] = $out_trade_no;
		$data["total_fee"]    = $total_fee;
		$data["spbill_create_ip"] = $spbill_create_ip;
		$data["auth_code"] = $auth_code;
		$result = $this->post(self::URL_MICROPAY,$data,false);
		return $result;
	}

	/**
	 * 支付结果通知处理
	 * @param $notify_data array|string 通知数据
	 * @param $callback callable 回调
	 * @return null
	 * @throws Exception
	 */
	public function onPaidNotify($notify_data,callable $callback = null){
		if(!is_array($notify_data)){
			$notify_data = $this->xml2array($notify_data);
		}
		if($this->validateSign($notify_data)){
			if($callback && is_callable($callback)){
				return call_user_func_array( $callback , [$notify_data] );
			}else{
				$this->responseNotify();
			}
		}else{
			throw new Exception('Invalid paid notify data');
		}
	}

	/**
	 * 退款结果通知处理
	 * @param string|array $notify_data 通知数据(XML/array)
	 * @param callable $callback 回调
	 * @return mixed
	 * @throws Exception
	 */
	public function onRefundedNotify($notify_data,callable $callback = null){
		if(!is_array($notify_data)){
			$notify_data = $this->xml2array($notify_data);
		}
		if($this->validateSign($notify_data)){
			if($callback && is_callable($callback)){
				return call_user_func_array( $callback , $notify_data );
			}else{
				$this->responseNotify();
			}
		}else{
			throw new Exception('Invalid refunded notify data');
		}
	}

	/**
	 * 验证数据签名
	 * @param $data array 数据数组
	 * @return boolean 数据校验结果
	 */
	public function validateSign($data) {
		if (!isset($data["sign"])) {
			return false;
		}
		$sign = $data["sign"];
		unset($data["sign"]);
		return $this->sign($data) == $sign;
	}

	/**
	 * 响应微信支付后台通知
	 * @param $return_code string 返回状态码 SUCCESS/FAIL
	 * @param $return_msg string 返回信息
	 */
	public function responseNotify($return_code="SUCCESS", $return_msg= 'OK') {
		$data = array();
		$data["return_code"] = $return_code;
		if ($return_msg) {
			$data["return_msg"] = $return_msg;
		}
		$xml = $this->array2xml($data);
		print $xml;
	}

	/**
	 * 交易保障
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/H5.php?chapter=9_8&index=8
	 * @param string $interface_url
	 * @param string $execution_time
	 * @param string $return_code
	 * @param string $result_code
	 * @param string $user_ip
	 * @param string $out_trade_no
	 * @param string $time
	 * @param string $device_info
	 * @param string $return_msg
	 * @param string $err_code
	 * @param string $err_code_des
	 * @return array
	 */
	public function report($interface_url,$execution_time,$return_code,$result_code,$user_ip,$out_trade_no = null,$time = null,$device_info = null,
	                       $return_msg = null,$err_code = null,$err_code_des = null){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["interface_url"] = $interface_url;
		$data["execution_time"] = $execution_time;
		$data["return_code"] = $return_code;
		$data["result_code"] = $result_code;
		$data["user_ip"] = $user_ip;
		if($out_trade_no) $data["out_trade_no"] = $out_trade_no;
		if($time) $data["time"] = $time;
		if($device_info) $data["device_info"] = $device_info;
		if($return_msg) $data["return_msg"] = $return_msg;
		if($err_code) $data["err_code"] = $err_code;
		if($err_code_des) $data["err_code_des"] = $err_code_des;
		$result = $this->post(self::URL_REPORT, $data, false);
		return $result;
	}

	/**
	 * 转换短链接
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_9&index=8
	 * @param $longurl
	 * @return string
	 */
	public function shortUrl($longurl){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["long_url"] = $longurl;
		$result = $this->post(self::URL_SHORTURL,$data,false);
		return $result['short_url'];
	}

	/**
	 * 授权码查询openid
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_13&index=10
	 * @param $auth_code
	 * @return mixed
	 */
	public function authCodeToOpenId($auth_code){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["auth_code"] = $auth_code;
		$result = $this->post(self::URL_AUTHCODETOOPENID,$data,false);
		return $result['openid'];
	}

	/**
	 * 企业付款到零钱
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_2
	 * @param $partner_trade_no
	 * @param $openid
	 * @param $amount
	 * @param $desc
	 * @param $spbill_create_ip
	 * @param $check_name
	 * @param $re_user_name
	 * @return array
	 * @throws Exception
	 */
	public function transferWallet($partner_trade_no,$openid,$amount,$desc,$spbill_create_ip = null,$re_user_name = null,$check_name = WechatPay::CHECKNAME_FORCECHECK){
		$data = array();
		if($check_name == WechatPay::CHECKNAME_FORCECHECK && !$re_user_name) throw new Exception('Real name is required');
		$data["mch_appid"] = $this->config["app_id"];
		$data["mchid"] = $this->config["mch_id"];
		$data["partner_trade_no"] = $partner_trade_no;
		$data["openid"] = $openid;
		$data["amount"] = $amount;
		$data["desc"] = $desc;
		$data['spbill_create_ip'] = $spbill_create_ip?:$_SERVER['SERVER_ADDR'];
		$data["check_name"] = $check_name;
		$data["re_user_name"] = $re_user_name;
		$result = $this->post(self::URL_TRANSFER_WALLET,$data,true);
		return $result;
	}

	/**
	 * 查询企业付款
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_3
	 * @param $partner_trade_no
	 * @return array
	 */
	public function queryTransferWallet($partner_trade_no){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["mch_id"] = $this->config["mch_id"];
		$data["partner_trade_no"] = $partner_trade_no;
		$result = $this->post(self::URL_QUERY_TRANSFER_WALLET,$data,true);
		return $result;
	}

	/**
	 * 企业付款到银行卡
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=24_2
	 * @param $partner_trade_no
	 * @param $bank_no
	 * @param $true_name
	 * @param $bank_code
	 * @param $amount
	 * @param $desc
	 * @return array
	 * @throws Exception
	 */
	public function transferBankCard($partner_trade_no,$bank_no,$true_name,$bank_code,$amount,$desc){
		if(!in_array($bank_code,array_values(self::$BANKCODE))) throw new Exception("Unsupported bank code: $bank_code");
		$data = array();
		$data["partner_trade_no"] = $partner_trade_no;
		$enc_bank_no = $this->rsaEncrypt($bank_no);
		$data["enc_bank_no"] = $enc_bank_no;
		$enc_true_name = $this->rsaEncrypt($true_name);
		$data["enc_true_name"] = $enc_true_name;
		$data["bank_code"] = $bank_code;
		$data["desc"] = $desc;
		$data["amount"] = $amount;
		$result = $this->post(self::URL_TRANSFER_BANKCARD,$data,true);
		return $result;
	}

	/**
	 * 查询企业付款银行卡
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=24_3
	 * @param $partner_trade_no
	 * @return array
	 */
	public function queryTransferBankCard($partner_trade_no){
		$data = array();
		$data["appid"] = $this->config["app_id"];
		$data["mch_id"] = $this->config["mch_id"];
		$data["partner_trade_no"] = $partner_trade_no;
		$result = $this->post(self::URL_QUERY_TRANSFER_WALLET,$data,true);
		return $result;
	}

	/**
	 * 发放代金券
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/sp_coupon.php?chapter=12_3&index=4
	 * @param $coupon_stock_id
	 * @param $open_id
	 * @param $partner_trade_no
	 * @param string $op_user_id
	 * @param array $ext
	 * @return array
	 */
	public function sendCoupon($coupon_stock_id,$open_id,$partner_trade_no,$op_user_id = '',$ext = array()){
		$data = (!empty($ext) && is_array($ext))?$ext:array();
		$data["partner_trade_no"] = $partner_trade_no;
		$data["coupon_stock_id"] = $coupon_stock_id;
		$data["openid_count"] = 1;
		$data["open_id"] = $open_id;
		$data["op_user_id"] = $op_user_id;
		$result = $this->post(self::URL_SEND_COUPON,$data,true);
		return $result;
	}

	/**
	 * 查询代金券批次
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/sp_coupon.php?chapter=12_4&index=5
	 * @param $coupon_stock_id
	 * @param string $op_user_id
	 * @return array
	 */
	public function queryCouponStock($coupon_stock_id,$op_user_id = ''){
		$data = array();
		$data["coupon_stock_id"] = $coupon_stock_id;
		$data["op_user_id"] = $op_user_id;
		$result = $this->post(self::URL_QUERY_COUPON_STOCK,$data,false);
		return $result;
	}

	/**
	 * 查询代金券信息
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/sp_coupon.php?chapter=12_5&index=6
	 * @param $coupon_id
	 * @param $open_id
	 * @param $stock_id
	 * @param string $op_user_id
	 * @param array $ext
	 * @return array
	 */
	public function queryCouponsInfo($coupon_id,$open_id,$stock_id,$op_user_id = '',$ext = array()){
		$data = (!empty($ext) && is_array($ext))?$ext:array();
		$data["coupon_id"] = $coupon_id;
		$data["stock_id"] = $stock_id;
		$data["open_id"] = $open_id;
		$data["op_user_id"] = $op_user_id;
		$result = $this->post(self::URL_QUERY_COUPON_INFO,$data,false);
		return $result;
	}

	/**
	 * 获取RSA加密公钥
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=24_7&index=4
	 * @param bool $refresh
	 * @return string
	 * @throws Exception
	 */
	public function getPublicKey($refresh = false){
		if (!$refresh && file_exists($this->config["rsa_pubkey_path"])) {
			$pubkey = file_get_contents($this->config["rsa_pubkey_path"]);
			return $pubkey;
		}
		$data = array();
		$data["mch_id"] = $this->config["mch_id"];
		$data["sign_type"] = $this->config["sign_type"];
		$result = $this->post(self::URL_GETPUBLICKEY,$data,true);
		$pubkey = $result['pub_key'];
		$pubkey = $this->convertPKCS1toPKCS8($pubkey);
		$fp = fopen($this->config["rsa_pubkey_path"], "w");
		if ($fp) {

$fp is of type resource|false, thus it always evaluated to false.

			fwrite($fp, $pubkey);
			fclose($fp);
			return $pubkey;
		}else {
			throw new Exception("RSA public key not found");
		}
	}

	private function convertPKCS1toPKCS8($pkcs1){
		$start_key = $pkcs1;
		$start_key = str_replace('-----BEGIN RSA PUBLIC KEY-----', '', $start_key);
		$start_key = trim(str_replace('-----END RSA PUBLIC KEY-----', '', $start_key));
		$key = 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A' . str_replace("\n", '', $start_key);
		$key = "-----BEGIN PUBLIC KEY-----\n" . wordwrap($key, 64, "\n", true) . "\n-----END PUBLIC KEY-----";
		return $key;
	}

	public function rsaEncrypt($data){
		$pubkey = $this->getPublicKey();
		$encrypted = null;
		$pubkey = openssl_get_publickey($pubkey);
		if (openssl_public_encrypt($data, $encrypted, $pubkey,OPENSSL_PKCS1_OAEP_PADDING))
			$data = base64_encode($encrypted);
		else
			throw new Exception('Unable to encrypt data');
		return $data;
	}

	/**
	 * sandbox环境获取验签秘钥
	 * @ref https://pay.weixin.qq.com/wiki/doc/api/native.php?chapter=23_1
	 * @return array
	 */
	public function getSignKey(){
		$data = array();
		$data["mch_id"] = $this->config["mch_id"];
		$result = $this->post($this->getSignKeyUrl,$data,false);
		return $result['sandbox_signkey'];
	}

	/**
	 * 获取JSAPI所需要的页面参数
	 * @param string $url
	 * @param string $ticket
	 * @return array
	 */
	public function getSignPackage($url, $ticket = null){
		if(!$ticket) $ticket = $this->getTicket();
		$timestamp = time();
		$nonceStr = $this->getNonceStr();
		$rawString = "jsapi_ticket=$ticket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";
		$signature = sha1($rawString);

		$signPackage = array(
			"appId" => $this->config['app_id'],
			"nonceStr" => $nonceStr,
			"timestamp" => $timestamp,
			"url" => $url,
			"signature" => $signature,
			"rawString" => $rawString
		);
		return $signPackage;
	}

	/**
	 * 获取JSAPI Ticket
	 * @param boolean $cache
	 * @return string
	 */
	public function getTicket($cache = true){
		$ticket = null;
		if(isset($this->config['jsapi_ticket']) && file_exists($this->config['jsapi_ticket'])){
			$data = json_decode(file_get_contents($this->config['jsapi_ticket']));
			if ($data && $data->expires_at < time()) {
				$ticket = $data->ticket;
			}
		}
		if(!$ticket){
			$data = $this->getWechatOAuth()->getTicket();
			$data = json_decode($data);
			$data->expires_at = time() + $data->expires_in;
			if($cache === true){
				$fp = fopen($this->config["jsapi_ticket"], "w");
				fwrite($fp, json_encode($data));

It seems like $fp can also be of type false; however, parameter $handle of fwrite() does only seem to accept resource, maybe add an additional type check?

				if ($fp) fclose($fp);

$fp is of type resource|false, thus it always evaluated to false.

			}
			$ticket = $data->ticket;
		}
		return $ticket;
	}

	private function post($url, $data,$cert = true) {
		if(!isset($data['mch_id']) && !isset($data['mchid'])) $data["mch_id"] = $this->config["mch_id"];
		if(!isset($data['nonce_str'])) $data["nonce_str"] = $this->getNonceStr();
		if(!isset($data['sign'])) $data['sign'] = $this->sign($data);
		$this->requestXML = $this->responseXML = null;
		$this->requestArray = $this->responseArray = null;

		$this->requestArray = $data;
		$this->requestXML = $this->array2xml($data);
		$opts = [
			CURLOPT_SSL_VERIFYPEER => false,
			CURLOPT_SSL_VERIFYHOST => false,
			CURLOPT_RETURNTRANSFER => true,
			CURLOPT_TIMEOUT => 10
		];
		if($cert == true){
			$opts[CURLOPT_SSLCERTTYPE] = 'PEM';
			$opts[CURLOPT_SSLCERT] = $this->config['ssl_cert_path'];
			$opts[CURLOPT_SSLKEYTYPE] = 'PEM';
			$opts[CURLOPT_SSLKEY] = $this->config['ssl_key_path'];
		}
		$processResponse = true;
		if(in_array($url,[self::URL_DOWNLOADBILL,self::URL_DOWNLOAD_FUND_FLOW,self::URL_BATCHQUERYCOMMENT])){
			$processResponse = false;
		}
		if($this->sandbox === true){
			$host = "https://api.mch.weixin.qq.com";
			$url = str_replace($host,'',$url);
			$url = "{$host}/sandboxnew{$url}";
		}
		$content = $this->httpClient->post($url,$this->requestXML,[],$opts);
		if(!$content) throw new Exception("Empty response with {$this->requestXML}");

		$this->responseXML = $content;
		if($processResponse)
			return $this->processResponseXML($this->responseXML);
		else return $this->responseXML;

	}

	private function processResponseXML($responseXML){
		$result = $this->xml2array($responseXML);
		$this->responseArray = $result;
		if(empty($result['return_code'])){
			throw new Exception("No return code presents in {$this->responseXML}");
		}
		$this->returnCode = $result["return_code"];
		$this->returnMsg = isset($result['return_msg'])?$result['return_msg']:'';

		if ($this->returnCode == "SUCCESS") {
			if(isset($result['result_code']) && $result['result_code'] == "FAIL"){
				$this->resultCode = $result['result_code'];
				$this->errCode = $result['err_code'];
				$this->errCodeDes = $result['err_code_des'];
				throw new Exception("[$this->errCode]$this->errCodeDes");
			}else{
				return $result;
			}
		} else {
			if($result["return_code"] == "FAIL"){
				throw new Exception($this->returnMsg);
			}else{
				$this->resultCode = $result['result_code'];
				$this->errCode = $result['err_code'];
				$this->errCodeDes = $result['err_code_des'];
				throw new Exception("[$this->errCode]$this->errCodeDes");
			}
		}
	}

	public function sign($data,$sign_type = WechatPay::SIGNTYPE_MD5) {
		ksort($data);
		$string1 = "";
		foreach ($data as $k => $v) {
			if ($v && trim($v)!='') {
				$string1 .= "$k=$v&";
			}
		}
		$stringSignTemp = $string1 . "key=" . $this->config["api_key"];
		if($sign_type == WechatPay::SIGNTYPE_MD5){
			$sign = strtoupper(md5($stringSignTemp));
		}elseif($sign_type == WechatPay::SIGNTYPE_HMACSHA256){
			$sign = strtoupper(hash_hmac('sha256',$stringSignTemp,$this->config["api_key"]));
		}else throw new Exception("Not supported sign type - $sign_type");
		return $sign;
	}

	private function array2xml($array) {
		$xml = "<xml>" . PHP_EOL;
		foreach ($array as $k => $v) {
			if($v && trim($v)!='')
				$xml .= "<$k><![CDATA[$v]]></$k>" . PHP_EOL;
		}
		$xml .= "</xml>";
		return $xml;
	}

	private function xml2array($xml) {
		$array = array();
		$tmp = array();

The assignment to $tmp is dead and can be removed.

		try{
			$tmp = (array) simplexml_load_string($xml);
		}catch(Exception $e){
			throw $e;
		}
		foreach ( $tmp as $k => $v) {
			$array[$k] = (string) $v;
		}
		return $array;
	}

	private function getNonceStr() {
		return substr(str_shuffle("abcdefghijklmnopqrstuvwxyz0123456789"),0,32);
	}

}