Complete micro-letter Red Envelope API implementation (PHP version)

A, micro-letter Red Envelopes Document description

At present, the micro-credit red envelopes are divided into cash red envelopes and two kinds of fission.
1. Cash Red envelopes: Https://pay.weixin.qq.com/wiki/doc/api/cash_coupon.php?chapter=13_5
2. Fission Red envelopes: https://pay.weixin.qq.com/wiki/doc/api/cash_coupon.php?chapter=16_5
More please check: https://pay.weixin.qq.com/wiki/doc/api/cash_coupon.php

Second, PHP interface implementation

This article explains the call of cash red envelopes, the other is roughly the same, do not try.
Parameter description:

Code implementation:

Fragment One,

/**
* Micro-Credit Payment
* @param string $openid user OpenID
*/
Public function Pay ($re _openid)
{
Include_once (' wxpacketclass.php ');
$wxHongBaoHelper = new Wxpacketclass ($this->app_sign);
$wxHongBaoHelper->setparameter ("Nonce_str", $this->great_rand ());//random string, no longer than 32 bits
$wxHongBaoHelper->setparameter ("Mch_billno", $this->app_mchid.date (' Ymdhis '). Rand (1000, 9999));//order number (28 bits)
$wxHongBaoHelper->setparameter ("mch_id", $this->app_mchid);/Merchant number
$wxHongBaoHelper->setparameter ("Wxappid", $this->app_id);
$wxHongBaoHelper->setparameter ("Send_name", "Yang and Macro Technology");//Red Envelope sender Name
$wxHongBaoHelper->setparameter ("Re_openid", $re _openid);//openid
$wxHongBaoHelper->setparameter ("Total_amount", 100);//payment amount, per cent
$wxHongBaoHelper->setparameter ("Total_num", 1);//Red envelopes, х. br/> $wxHongBaoHelper->setparameter ("Wishing", ' To your old age, I wish you happiness in old age! ")//Red Envelopes Blessing astonished
$wxHongBaoHelper->setparameter ("Client_ip", ' 127.0.0.1 ');//Machine IP address of the calling interface
$wxHongBaoHelper->setparameter ("Act_name", "red envelope activity");//Live Name
$wxHongBaoHelper->setparameter ("Remark", "Everybody Come and Rob!") ');//Memo Information
$POSTXML = $wxHongBaoHelper->create_hongbao_xml ();
$url = ' Https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack ';
$RESPONSEXML = $wxHongBaoHelper->curl_post_ssl ($url, $postXml);
$RESPONSEOBJ = simplexml_load_string ($responseXml, ' simplexmlelement ', libxml_nocdata);
return $RESPONSEOBJ->return_code;
}

Fragment two,
 
//Generate Red Envelopes interface XML Information
/*
<xml>
 <sign>![ Cdata[e1ee61a9]]</sign>
 <mch_billno>![ Cdata[00100]]</mch_billno>
 <mch_id>![ Cdata[888]]</mch_id>
 <wxappid>![ Cdata[wxcbda96de0b165486]]</wxappid>
 <send_name>![ Cdata[send_name]]</send_name>
 <re_openid>![ Cdata[onqojjxxxxxxxxx]]</re_openid>
 <total_amount>![ Cdata[100]]</total_amount>
 <total_num>![ Cdata[1]]</total_num>
 <wishing>![ Cdata[congratulate the rich]]</wishing>
 <client_ip>![ Cdata[127.0.0.1]]</client_ip>
 <act_name>![ cdata[New Year red envelopes]]</act_name>
 <act_id>![ Cdata[act_id]]</act_id>
 <remark>![ cdata[New Year red envelopes]]</remark>
</xml>
*/

function Create_hongbao_xml ($retcode = 0, $reterrmsg = "OK") {
try {
$this->setparameter (' sign ', $this->get_sign ());
$commonUtil = new Commonutil ();
Return $commonUtil->arraytoxml ($this->parameters);
}catch (Sdkexception $e) {
Die ($e->errormessage ());
}
}

Fragment Three,

function Curl_post_ssl ($url, $vars, $second =30, $aHeader =array ()) {
$ch = Curl_init ();
Timeout time
curl_setopt ($ch, Curlopt_timeout, $second);
curl_setopt ($ch, Curlopt_returntransfer, 1);
Set the agent here, if any.
curl_setopt ($ch, Curlopt_url, $url);
curl_setopt ($ch, Curlopt_ssl_verifypeer,false);
curl_setopt ($ch, Curlopt_ssl_verifyhost,false);

Cert and key belong to two. Pem files respectively
curl_setopt ($ch, Curlopt_sslcert,dirname (__file__). Directory_separator. ' Cert '. Directory_separator. ' Apiclient_cert.pem ');
curl_setopt ($ch, Curlopt_sslkey,dirname (__file__). Directory_separator. ' Cert '. Directory_separator. ' Apiclient_key.pem ');
curl_setopt ($ch, Curlopt_cainfo,dirname (__file__). Directory_separator. ' Cert '. Directory_separator. ' Rootca.pem ');

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);
Curl_close ($ch);
return false;
}
}

Code structure:

|~action/
| '-packetclass.php
|~lib/
| |~cert/
| | | |-apiclient_cert.pem
| | | |-apiclient_key.pem
| | '-rootca.pem
| |-sdkextraclass.php
| |-wxapi.php
| '-wxpacketclass.php
'-index.php

Each file is described in detail.

Third, the effect shows