PHP实现微信提现（企业付款到零钱）

//用户微信提现 private function withdrawals_weixin($id){    $falg = M('withdrawals')->where(['id'=>$id])->find();    $openid = M('users')->where('user_id', $falg['user_id'])->value('openid');    $data['openid'] = $openid;    $data['pay_code'] = $falg['id'].$falg['user_id'];    $data['desc'] = '提现ID'.$falg['id'];    if($falg['taxfee'] >= $falg['money']){      return array('status'=>1, 'msg'=>"提现额度必须大于手续费！" );    }else{      $data['money'] = bcsub($falg['money'], $falg['taxfee'], 2);    }    include_once PLUGIN_PATH . "payment/weixin/weixin.class.php";    $weixin_obj = new /weixin();    $result = $weixin_obj->transfer($data);       return $result; }

// 微信提现转账  function transfer($data){        header("Content-type: text/html; charset=utf-8");    //CA证书及支付信息   $wxchat['appid'] = WxPayConfig::$appid;   $wxchat['mchid'] = WxPayConfig::$mchid;    $wxchat['api_cert'] = PLUGIN_PATH.'/payment/weixin/cert/apiclient_cert.pem';    $wxchat['api_key'] = PLUGIN_PATH.'/payment/weixin/cert/apiclient_key.pem';        // $wxchat['api_ca'] = '/plugins/payment/weixin/cert/rootca.pem';   $webdata = array(    'mch_appid' => $wxchat['appid'],    'mchid'   => $wxchat['mchid'],    'nonce_str' => md5(time()),    //'device_info' => '1000',    'partner_trade_no'=> $data['pay_code'], //商户订单号，需要唯一    'openid' => $data['openid'],//转账用户的openid    'check_name'=> 'NO_CHECK', //OPTION_CHECK不强制校验真实姓名, FORCE_CHECK：强制 NO_CHECK：    //'re_user_name' => 'jorsh', //收款人用户姓名    'amount' => $data['money'] * 100, //付款金额单位为分    'desc'  => $data['desc'],    'spbill_create_ip' => request()->ip(),    );     foreach ($webdata as $k => $v) {   $tarr[] =$k.'='.$v;    }    sort($tarr);   $sign = implode($tarr, '&');   $sign .= '&key='.WxPayConfig::$key;    $webdata['sign']=strtoupper(md5($sign));        $wget = $this->array2xml($webdata);        $pay_url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';     $res = $this->http_post($pay_url, $wget, $wxchat);    if(!$res){   return array('status'=>1, 'msg'=>"Can't connect the server" );   }    $content = simplexml_load_string($res, 'SimpleXMLElement', LIBXML_NOCDATA);       if(strval($content->return_code) == 'FAIL'){   return array('status'=>1, 'msg'=>strval($content->return_msg));   }   if(strval($content->result_code) == 'FAIL'){   return array('status'=>1, 'msg'=>strval($content->err_code),':'.strval($content->err_code_des));    }    $rdata = array(    'mch_appid'    => strval($content->mch_appid),    'mchid'      => strval($content->mchid),    'device_info'   => strval($content->device_info),    'nonce_str'    => strval($content->nonce_str),    'result_code'   => strval($content->result_code),    'partner_trade_no' => strval($content->partner_trade_no),    'payment_no'    => strval($content->payment_no),    'payment_time'   => strval($content->payment_time),   );   return $rdata;   }

define('PLUGIN_PATH', __DIR__ . '/plugins/');

/**   * 将一个数组转换为 XML 结构的字符串   * @param array $arr 要转换的数组   * @param int $level 节点层级, 1 为 Root.   * @return string XML 结构的字符串   */  function array2xml($arr, $level = 1) {   $s = $level == 1 ? "<xml>" : '';   foreach($arr as $tagname => $value) {   if (is_numeric($tagname)) {    $tagname = $value['TagName'];    unset($value['TagName']);   }   if(!is_array($value)) {    $s .= "<{$tagname}>".(!is_numeric($value) ? '<![CDATA[' : '').$value.(!is_numeric($value) ? ']]>' : '')."</{$tagname}>";   } else {    $s .= "<{$tagname}>" . $this->array2xml($value, $level + 1)."</{$tagname}>";   }   }   $s = preg_replace("/([/x01-/x08/x0b-/x0c/x0e-/x1f])+/", ' ', $s);   return $level == 1 ? $s."</xml>" : $s;  }    function http_post($url, $param, $wxchat) {   $oCurl = curl_init();   if (stripos($url, "https://") !== FALSE) {   curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);   curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE);   }   if (is_string($param)) {   $strPOST = $param;   } else {   $aPOST = array();   foreach ($param as $key => $val) {    $aPOST[] = $key . "=" . urlencode($val);   }   $strPOST = join("&", $aPOST);   }   curl_setopt($oCurl, CURLOPT_URL, $url);   curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);   curl_setopt($oCurl, CURLOPT_POST, true);   curl_setopt($oCurl, CURLOPT_POSTFIELDS, $strPOST);   if($wxchat){   curl_setopt($oCurl,CURLOPT_SSLCERT,$wxchat['api_cert']);   curl_setopt($oCurl,CURLOPT_SSLKEY,$wxchat['api_key']);   curl_setopt($oCurl,CURLOPT_CAINFO,$wxchat['api_ca']);   }   $sContent = curl_exec($oCurl);   $aStatus = curl_getinfo($oCurl);    curl_close($oCurl);       if (intval($aStatus["http_code"]) == 200) {   return $sContent;   } else {   return false;   } }