Usage examples of the WeChat red envelope sending interface in PHP version

This article mainly introduces the usage of the WeChat red envelope sending interface in the PHP version, and analyzes the related usage skills of PHP's WeChat red envelope sending interface in the form of examples. Friends in need can refer to the

WeChat red envelope function I believe All my friends know it, but if we want to integrate red envelopes into the website, how do we do it? Here the editor will share with you a test example of the php WeChat red envelope sending interface. I hope the article can help all my friends

The following is a class, how to use:

$arr['openid']='ojgTTt8oF9VdYcGsJMACHpA-jy1U';
      $arr['hbname']="提现申请";
      $arr['body']="您的提现申请已经成功";
      $arr['fee']=1;
$comm = new Common_util_pub();
$re = $comm->sendhongbaoto($arr);
var_dump($re);

Note that the certificate location and the key set in the merchant backend need to be modified.

<?php
header("Content-type: text/html; charset=utf-8");
class Common_util_pub
{
  /**
* hbname 红包名称 fee 红包金额 /元 body 内容 openid 微信用户id
* @param undefined $arr
*
* @return
*/
public function sendhongbaoto($arr){
//$comm = new Common_util_pub();
$data[&#39;mch_id&#39;] = &#39;120005402&#39;;
$data[&#39;mch_billno&#39;] = &#39;120005402&#39;.date("Ymd",time()).date("His",time()).rand(1111,9999);
$data[&#39;nonce_str&#39;] = self::createNoncestr();
$data[&#39;re_openid&#39;] = $arr[&#39;openid&#39;];
$data[&#39;wxappid&#39;] = &#39;wx8axxxxxbac4905&#39;;
$data[&#39;nick_name&#39;] = $arr[&#39;hbname&#39;];
$data[&#39;send_name&#39;] = $arr[&#39;hbname&#39;];
$data[&#39;total_amount&#39;] = $arr[&#39;fee&#39;]*100;
$data[&#39;min_value&#39;] = $arr[&#39;fee&#39;]*100;
$data[&#39;max_value&#39;] = $arr[&#39;fee&#39;]*100;
$data[&#39;total_num&#39;] = 1;
$data[&#39;client_ip&#39;] = $_SERVER[&#39;REMOTE_ADDR&#39;];
$data[&#39;act_name&#39;] = &#39;测试活动&#39;;
$data[&#39;remark&#39;] = &#39;备注一下&#39;;
$data[&#39;wishing&#39;] = $arr[&#39;body&#39;];
if(!$data[&#39;re_openid&#39;]) {
   $rearr[&#39;return_msg&#39;]=&#39;缺少用户openid&#39;;
   return $rearr;
}
$data[&#39;sign&#39;] = self::getSign($data);
$xml = self::arrayToXml($data);
//var_dump($xml);
$url ="https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
$re = self::wxHttpsRequestPem($xml,$url);
$rearr = self::xmlToArray($re);
return $rearr;
}
function trimString($value)
  {
    $ret = null;
    if (null != $value)
    {
      $ret = $value;
      if (strlen($ret) == 0)
      {
        $ret = null;
      }
    }
    return $ret;
  }
  /**
   * 作用：产生随机字符串，不长于32位
   */
  public function createNoncestr( $length = 32 )
  {
    $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
    $str ="";
    for ( $i = 0; $i < $length; $i++ ) {
      $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1);
    }
    return $str;
  }
  /**
   * 作用：格式化参数，签名过程需要使用
   */
  function formatBizQueryParaMap($paraMap, $urlencode)
  {
    $buff = "";
    ksort($paraMap);
    foreach ($paraMap as $k => $v)
    {
      if($urlencode)
      {
        $v = urlencode($v);
      }
      //$buff .= strtolower($k) . "=" . $v . "&";
      $buff .= $k . "=" . $v . "&";
    }
    $reqPar;
    if (strlen($buff) > 0)
    {
      $reqPar = substr($buff, 0, strlen($buff)-1);
    }
    return $reqPar;
  }
  /**
   * 作用：生成签名
   */
  public function getSign($Obj)
  {
    foreach ($Obj as $k => $v)
    {
      $Parameters[$k] = $v;
    }
    //签名步骤一：按字典序排序参数
    ksort($Parameters);
    $String = $this->formatBizQueryParaMap($Parameters, false);
    //echo &#39;【string1】&#39;.$String.&#39;</br>&#39;;
    //签名步骤二：在string后加入KEY
    $String = $String."&key="."254554sefg4exxxxxxxxs5cds1"; // 商户后台设置的key
    //echo "【string2】".$String."</br>";
    //签名步骤三：MD5加密
    $String = md5($String);
    //echo "【string3】 ".$String."</br>";
    //签名步骤四：所有字符转为大写
    $result_ = strtoupper($String);
    //echo "【result】 ".$result_."</br>";
    return $result_;
  }
  /**
   * 作用：array转xml
   */
  public function arrayToXml($arr)
  {
    $xml = "<xml>";
    foreach ($arr as $key=>$val)
    {
       if (is_numeric($val))
       {
        $xml.="<".$key.">".$val."</".$key.">";
       }
       else
        $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
    }
    $xml.="</xml>";
    return $xml;
  }
  /**
   * 作用：将xml转为array
   */
  public function xmlToArray($xml)
  {
    //将XML转为array
    $array_data = json_decode(json_encode(simplexml_load_string($xml, &#39;SimpleXMLElement&#39;, LIBXML_NOCDATA)), true);
    return $array_data;
  }
   public function wxHttpsRequestPem( $vars,$url, $second=30,$aHeader=array()){
        $ch = curl_init();
        //超时时间
        curl_setopt($ch,CURLOPT_TIMEOUT,$second);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
        //这里设置代理，如果有的话
        //curl_setopt($ch,CURLOPT_PROXY, &#39;10.206.30.98&#39;);
        //curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
        //以下两种方式需选择一种
        //第一种方法，cert 与 key 分别属于两个.pem文件
        //默认格式为PEM，可以注释
        curl_setopt($ch,CURLOPT_SSLCERTTYPE,&#39;PEM&#39;);
        curl_setopt($ch,CURLOPT_SSLCERT,dirname(__FILE__).&#39;/hongbao/apiclient_cert.pem&#39;);
        //默认格式为PEM，可以注释
        curl_setopt($ch,CURLOPT_SSLKEYTYPE,&#39;PEM&#39;);
        curl_setopt($ch,CURLOPT_SSLKEY,dirname(__FILE__).&#39;/hongbao/apiclient_key.pem&#39;);
        curl_setopt($ch,CURLOPT_CAINFO,&#39;PEM&#39;);
        curl_setopt($ch,CURLOPT_CAINFO,dirname(__FILE__).&#39;/hongbao/rootca.pem&#39;);
        //第二种方式，两个文件合成一个.pem文件
        //curl_setopt($ch,CURLOPT_SSLCERT,getcwd().&#39;/all.pem&#39;);
        if( count($aHeader) >= 1 ){
            curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
        }
        curl_setopt($ch,CURLOPT_POST, 1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);
        $data = curl_exec($ch);
        if($data){
            curl_close($ch);
            return $data;
        }
        else {
            $error = curl_errno($ch);
            echo "call faild, errorCode:$error\n";
            curl_close($ch);
            return false;
        }
    }
}
?>

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