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

$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);

<?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;
        }
    }
}
?>