PHP Micro-Credit Payment class demo_php instance

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<?phpclass wxpayservice{protected $mchid;  protected $appid;  protected $key; Public function __construct ($mchid, $appid, $key) {$this->mchid = $mchid;//payment merchant number Partnerid sent by mail after payment of merchant information $t His->appid = $appid;   Public number AppID through the payment of merchant data after the mail sent $this->key = $key; Https://pay.weixin.qq.com Account Settings-security settings-api Security-api key-set API Key}/** * @param string $openid call the "Web page authorization Get user Information" interface to obtain the user's OP under that public number Enid * @param float $totalFee Total Payment unit * @param string $outTradeNo Unique order number * @param string erName order name * @para M string $notifyUrl payment result notification URL do not have a question mark * https://mp.weixin.qq.com/Payment-Development Configuration-Test Catalog * Test Catalog Http://mp.izhanlue.com/paytest /FINAL slash required (requires precision to level two or level three) * @return String */Public function createjsbizpackage ($openid, $totalFee, $outTradeNo, Ername, $NOTIFYURL, $timestamp) {$config = array (' mch_id ' = = $this->mchid, ' appid ' = + $this->a    Ppid, ' key ' = $this->key,);     $unified = Array (' appid ' = = $config [' AppID '], ' Attach ' + ' pay ',//merchant packet, return as-is ' body ' + erName, ' mch_id ' + $config [' mch_id '], ' Nonce_str ' + self::createnoncestr (), ' notify_url ' + $notifyUrl, ' OpenID ' = $openid,//rad E_TYPE=JSAPI, this parameter must pass ' Out_trade_no ' and $outTradeNo, ' spbill_create_ip ' = ' 127.0.0.1 ', ' Total_fee ' =&gt ;    Intval ($totalFee * 100),//unit converted to ' trade_type ' = ' JSAPI ',);    $unified [' sign '] = Self::getsign ($unified, $config [' key ']);    $RESPONSEXML = Self::curlpost (' Https://api.mch.weixin.qq.com/pay/unifiedorder ', Self::arraytoxml ($unified));     /*
 
   
    SUCCESS 
    
    OK 
    
    
    1220647301 
    
    1LHBROsdmqfXoWQR /nonce_str> 
     ACA7BC8A9164D1FBED06C7DFC13EC839 
     
     SUCCESS  
      wx2015032016590503f1bcd9c30421762652 
      
      
       
      
    
   
  
     */$unifiedOrder = simplexml_load_string ($responseXml, ' simplexmlelement ', libxml_nocdata);    if ($unifiedOrder = = = False) {die (' Parse XML error ');    } if ($unifiedOrder->return_code! = ' SUCCESS ') {die ($unifiedOrder->return_msg);      } if ($unifiedOrder->result_code! = ' SUCCESS ') {die ($unifiedOrder->err_code); /* Noauth merchant does not have this interface right Notenough insufficient balance Orderpaid merchant order has been paid orderclosed order closed Systemerror system error APPID      _not_exist APPID does not exist mchid_not_exist Mchid does not exist Appid_mchid_not_match APPID and mch_id mismatch lack_params missing parameters out_trade_no_used Merchant Order number duplicate Signerror signature error xml_format_error XML format error Require_post_method Please use the POST method post_d Ata_empty Post data is empty NOT_UTF8 encoded format error */}//$unifiedOrder->trade_type transaction type the transaction type submitted by the interface is called, the value is as follows: Jsapi,native, APP//$unifiedOrder->prepay_id Pre-payment session identification generated for use in subsequent interface calls, this value is valid for 2 hours//$unifiedOrder->code_url QR Code link Trad E_type for native is a return, the value of the parameter can be generated two-dimensional codeDisplay the scan code to pay $arr = Array ("AppId" and "= $config [' appId ']," TimeStamp "and $timestamp," Noncestr " Self::createnoncestr (), "package" = "prepay_id=".    $unifiedOrder->prepay_id, "signtype" = ' MD5 ',);    $arr [' paysign '] = self::getsign ($arr, $config [' key ']);  return $arr; The Public Function notify () {$config = array (' mch_id ' = = $this->mchid, ' appid ' = = $this->appid    , ' key ' = $this->key,);    $POSTSTR = $GLOBALS ["Http_raw_post_data"];    Error_log ($POSTSTR, 3, './str.txt '); /* $postStr = '
 
   wx00e5904efec77699 
    
    CMB_CREDIT 
    
    1  
     CNY 
     
     Y  
      1220647301 
      
      a0tZ41phiHm8zfmO 
      
      oU3OCt5O46PumN7IE87WcoYZY9r0  
       550bf2990c51f 
       result_code> SUCCESS  
       SUCCESS 
       
       
        
       
       20150320181606 
       
      
        1 
       
       JSAPI 
       
       
        
       
     
    
   
  
 ';    */$POSTOBJ = simplexml_load_string ($postStr, ' simplexmlelement ', libxml_nocdata);    if ($POSTOBJ = = = False) {die (' Parse XML error ');    } if ($postObj->return_code! = ' SUCCESS ') {die ($postObj->return_msg);    } if ($postObj->result_code! = ' SUCCESS ') {die ($postObj->err_code);    } $arr = (array) $postObj;    unset ($arr [' sign ']); if (Self::getsign ($arr, $config [' key ']) = = $POSTOBJ->sign) {//$mch _id = $POSTOBJ->mch_id;//The merchant number of the payment assignment// $appid = $POSTOBJ->appid; Assigned public account ID//$openid = $POSTOBJ->openid; User's unique identity under merchant AppID//$transaction _id = $POSTOBJ->transaction_id;//Payment order number//$out _trade_no = $POSTOBJ->out_ trade_no;//Merchant Order number//$total _fee = $POSTOBJ->total_fee; Total order amount in cents per//$is _subscribe = $POSTOBJ->is_subscribe; Whether the user is concerned about the public account, Y-concern, N-no concern, only in the public account type payment valid//$attach = $POSTOBJ->attach;//merchant packet, return as-is//$time _end = $POSTOBJ->t ime_end;//Payment completion time Echo '
 
   
    SUCCESS 
    
    OK 
    
   
 ';    return $POSTOBJ;  }}/** * Curl Get * * @param string $url * @param array $options * @return Mixed */public static function    Curlget ($url = ", $options = Array ()) {$ch = Curl_init ($url);    curl_setopt ($ch, Curlopt_returntransfer, 1);    curl_setopt ($ch, Curlopt_timeout, 30);    if (!empty ($options)) {Curl_setopt_array ($ch, $options);    }//https request does not validate the certificate and host curl_setopt ($ch, Curlopt_ssl_verifypeer, false);    curl_setopt ($ch, Curlopt_ssl_verifyhost, false);    $data = curl_exec ($ch);    Curl_close ($ch);  return $data; The public static function curlpost ($url = ", $postData =", $options = Array ()) {if (Is_array ($postData)) {$p    Ostdata = Http_build_query ($postData);    } $ch = Curl_init ();    curl_setopt ($ch, Curlopt_url, $url);    curl_setopt ($ch, Curlopt_returntransfer, 1);    curl_setopt ($ch, Curlopt_post, 1);    curl_setopt ($ch, Curlopt_postfields, $postData); curl_setopt ($ch, Curlopt_timeout, 30);  Set the maximum number of seconds that curl is allowed to execute  if (!empty ($options)) {Curl_setopt_array ($ch, $options);    }//https request does not validate the certificate and host curl_setopt ($ch, Curlopt_ssl_verifypeer, false);    curl_setopt ($ch, Curlopt_ssl_verifyhost, false);    $data = curl_exec ($ch);    Curl_close ($ch);  return $data; } public static function createnoncestr ($length = +) {$chars = ' abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxy    Z0123456789 ';    $str = ";    for ($i = 0; $i < $length; $i + +) {$str. = substr ($chars, Mt_rand (0, strlen ($chars)-1), 1);  } return $STR; public static function Arraytoxml ($arr) {$xml = "
 
  
    "; foreach ($arr as $key = + $val) {if (Is_numeric ($val)) {$xml. = "<". $key. ">". $val.      "!--". $key. "-->"; } else $xml. = "<". $key.    ">
   !--". $key. "-->"; } $xml. = "
  
 ";  return $xml; }/** * For example: * APPID:WXD930EA5D5A258F4F * mch_id:10000100 * device_info:1000 * body:test * nonce_str:i Buaivckdprxkhja * First step: The parameters according to the format of Key=value, and according to the name of the ASCII dictionary order of the following: * stringa= "appid=wxd930ea5d5a258f4f&body=test&   Device_info=1000&mch_i * D=10000100&nonce_str=ibuaivckdprxkhja "; * Step Two: Stitching the payment key: * stringsigntemp= "stringa&key=192006250b4c09247ec02edce69f6a2d" * SIGN=MD5 (STRINGSIGNTEMP). toUpperCase () = "9A0A8659F005D6984697E2CA0A9CF3B7" */public static function Getsign ($params, $key) {Ksort ($params,    sort_string);    $unSignParaString = Self::formatqueryparamap ($params, false); $SIGNSTR = Strtoupper (MD5 ($unSignParaString. "&key=".    $key));  return $signStr;    } protected static function Formatqueryparamap ($paraMap, $urlEncode = False) {$buff = "";    Ksort ($PARAMAP); foreach ($paraMap as $k = + $v) {if (null! = $v && "null"! = $v) {if ($urlEncode) {$v = UrlEncode ($v); } $buff. = $k. "=" . $v.      "&";    }} $reqPar = ';    if (strlen ($buff) > 0) {$reqPar = substr ($buff, 0, strlen ($buff)-1);  } return $reqPar; }}

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