PHP WeChat advanced interface mass messaging multiple customer service, PHP interface mass messaging customer service

php WeChat advanced interface mass messaging and multiple customer service, php interface mass messaging customer service

The example in this article shares the source code of php WeChat advanced interface mass messaging and multiple customer service for your reference. The specific content is as follows

/**
 * 微信接口调用
 * 依赖
 * 全局变量
 * global $uid 公众号用户id, $wid 公众号id, $wechatid 粉丝唯一id;
 * 参数
 * $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
 * $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
 * 缓存类 自定义
 * Cache:set
 * Cache:get
 * 具体业务修改
 * 1.上传图文信息至微信素材库
 * function uploadArticlesToWeiXinServer()
 * 2.关键字匹配图文回复
 * function getArticleData()
 * 
 * usage:
 *  $options = array(
 *  'token'=>'tokenaccesskey', //填写你设定的key
 *  'appid'=>'wxdk1234567890', //填写高级调用功能的app id
 *  'appsecret'=>'xxxxxxxxxxxxxxxxxxx', //填写高级调用功能的密钥
 *  );
 */
class WeiXinTool {

  private $appid;
  private $appsecret;
  private $access_token;
  private $mediaType = array('image' => array("jpg"), 'voice' => array('amr', 'MP3'), 'video' => array('mp4'), 'thumb' => array("jpg"));
  private $mediaMaxSize = array('image' => 131072, 'voice' => 262144, 'video' => 1048576, 'thumb' => 65536);
  private $tem_file_path = "";

//  授权地址
  const AUTH_URL = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s';
//  素材上传
  const UPLOAD_MEDIA_URL = "http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token=%s&type=%s";
  const GET_MEDIA_URL = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=%s&media_id=%s";
  const UPLOAD_NEWS_URL = "https://api.weixin.qq.com/cgi-bin/media/uploadnews?access_token=%s";

  public function __construct($options) {
    $this->appid = isset($options['appid']) ? $options['appid'] : '';
    $this->appsecret = isset($options['appsecret']) ? $options['appsecret'] : '';
    //需修改
    //上传图片临时文件目录自定义
    $this->tem_file_path = YYUC_FRAME_PATH . YYUC_PUB . '/' . Session::get('upath');
  }

  /**
   * 需修改
   * 具体业务需求，图文信息上传至素材库
   * 微站文章上传至微信素材
   * @param type $wid 
   * @param type $aid
   * @return int
   */
  public function uploadArticlesToWeiXinServer($wid, $aid) {

    //具体图文组装过程，需修改
    $m = new Model('website_article');
    $m_pubs = new Model('pubs');
    $m_pubs->find(array("id" => $wid));
    $m->find(array("wid" => $wid, 'id' => $aid));
    $res = array();
    if ($m->has_id() && $m_pubs->has_id()) {
      $res[] = $m->get_model_array();
//      var_dump($res);
      $m->votetouser = json_decode($m->votetouser, TRUE);
      $articles = $m->votetouser[0];
      $m_article = new Model('website_article');
      $ress = $m_article->where(array('wid' => $wid, 'id' => $articles))->list_all_array();
      $res = array_merge($res, $ress);
    } else {
      $errarr = array();
      $errarr['errcode'] = 44003;
      $errarr['errmsg'] = self::$errorno[$errarr['errcode']];
      return $errarr;
    }
    $items = array();
    foreach ($res as $k => $v) {
      $mediaid = $this->uploadMedia($v['picurl']);
      if ($mediaid['media_id']) {
        $thumb_media_id = $mediaid['media_id'];
      } else {
        return $mediaid;
      }
      $item = array(
        "thumb_media_id" => $thumb_media_id,
        "author" => $m_pubs->pubun,
        "title" => $v['title'],
        "content_source_url" => WeiXinTool::complateUrl(WeiSite::parseArticleLinkData($v)),
        "content" => $v['reply_content'], //内容 富文本
        "digest" => $v['description']//描述
      );
      $items[] = $item;
    }
    //以上具体图文组装过程，需修改

    $postData['articles'] = $items;
    $error = $this->uploadNews($postData);
    return $error;
  }

  /**
   * 需修改
   * 微站文章关键字匹配数据解析
   */
  public static function getArticleData($keyword) {
    global $wid;
    $m = new Model('website_article');
    $m->find(array('wid' => $wid, 'keyword@~' => " " . $keyword . " "));
    $res = array();
    if ($m->has_id()) {
      $res[] = array("tit" => $m->title, "pic" => $m->picurl, "dec" => $m->description, "url" => WeiSite::parseArticleLinkData($m->get_model_array()));
      $m->votetouser = json_decode($m->votetouser, TRUE);
      $articles = $m->votetouser[0];
      if (!empty($articles)) {
        foreach ($articles as $v) {
          $m_article = new Model('website_article');
          $m_article->find(array('wid' => $wid, 'id' => $v));
          $res[] = array("tit" => $m_article->title, "pic" => $m_article->picurl, "dec" => $m_article->description, "url" => WeiSite::parseArticleLinkData($m_article->get_model_array()));
        }
      }
      return $res;
    }
  }

  /**
   * 获取accesstoken
   * @param type $flag 强制刷新accesstoken 开关
   * @return type
   */
  public function getAccessToken($flag = FALSE) {
    $url = sprintf(self::AUTH_URL, $this->appid, $this->appsecret);
    $result = Cache::get(md5($url));
    if ($flag || empty($result)) {
      $result = $this->http_get($url);
      $result = json_decode($result, TRUE);
      if ($result['errcode']) {
        return $result['errcode'];
      }
      Cache::set(md5($url), $result, 1);
    }
    $this->access_token = $result['access_token'];
    return true;
  }

  /**
   * 上传媒体
   * @param type $file 媒体文件 $url或者物理路径地址
   * @param type $type 类型 
   * @return int
   * return 
   array (size=3)
   'type' => string 'image' (length=5)
   'media_id' => string '-0Lr3rX9mDYBB7i5bDydvwFHHm3zW2Uxt0OoDFBPmGRfYiwckiALqHH_DlP9jCm_' (length=64)
   'created_at' => int 1400477181
   */
  public function uploadMedia($file, $type = "image") {
    $file = self::complateUrl($file);
    $urlarr = parse_url($file);
    $filetype = explode(".", $urlarr['path']);
    $filetype = strtolower($filetype[count($filetype) - 1]);
    $resizeSize = 100; //图片处理后另存质量
    if (!key_exists($type, $this->mediaType) || !in_array($filetype, $this->mediaType[$type])) {
//      return 40005; //格式错误
      $errarr = array();
      $errarr['errcode'] = 40005;
      $errarr['errmsg'] = self::$errorno[$errarr['errcode']];
      return $errarr;
    }

    $temp_file = $this->tem_file_path . 'uploadMedia.' . $filetype;
    $temp_file_resize = $this->tem_file_path . 'uploadMediaResize.' . $filetype;
    file_put_contents($temp_file, self::http_get($file));
    $handle = fopen($temp_file, "r");
    $fstat = fstat($handle);

    if ($fstat['size'] > $this->mediaMaxSize[$type]) {
      $resizeSize = intval($this->mediaMaxSize[$type] / $fstat['size'] * 100);
      ImageTool::resizeImage($temp_file_resize, $temp_file, 400, 400, $resizeSize); //图片太大再处理压缩
      $temp_file = $temp_file_resize;
//      return 40006; //大小错误
    }
    $filePath = realpath($temp_file);
    $uploadUrl = sprintf(self::UPLOAD_MEDIA_URL, $this->access_token, $type);
    $postData = array("r" => time(), 'media' => "@{$filePath}");
    $result = self::http_post($uploadUrl, $postData);
    $result = json_decode($result, TRUE);
    return $result;
  }

  /**
   * 群发图文信息
   * @param type $touser 粉丝数组/粉丝组id
   * @param type $media_id
   * @return type
   */
  public function sendArticles($touser, $media_id) {
    $errarr = array();
    $postData = array();
    $postData['mpnews'] = array("media_id" => $media_id);
    $postData['msgtype'] = "mpnews";
    if (is_array($touser)) {
      //用户列表群发
      $postData['touser'] = $touser;
      $url = 'https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token=%s';
    } else {
      $group = intval($touser);
      $groups = $this->getGroups(true);
      if (key_exists($group, $groups['list'])) {
        $postData['filter'] = array("group_id" => $group);
      } else {
        $errarr['errcode'] = 40050; //无效分组id
        $errarr['errmsg'] = self::$errorno[$errarr['errcode']];
        return $errarr;
      }
      $url = 'https://api.weixin.qq.com/cgi-bin/message/mass/sendall?access_token=%s';
    }
    $url = sprintf($url, $this->access_token);
    $result = self::http_post($url, self::json_encode($postData));
    $result = json_decode($result, TRUE);
    return $result;
  }

  /**
   * 删除群发信息
   * @param type $msgid
   * @return type
   */
  public function delSend($msgid) {
    $url = 'https://api.weixin.qq.com/cgi-bin/message/mass/delete?access_token=%s';
    $url = sprintf($url, $this->access_token);
    $postData = array('msgid' => $msgid, 'r' => time());
    $result = self::http_post($url, self::json_encode($postData));
    $result = json_decode($result, TRUE);
    return $result;
  }

  /**
   * 群发图文素材上传
   $postData = array('articles' => array($item, $item,...));
   $item = array(
   "thumb_media_id" => "WMQubqCECMQwAjqh8CI500LfhyoG0vmTTlKKJM5oP-of0uLML1_2s26j8XeIorDL",
   "author" => "xxx",
   "title" => "Happy Day",
   "content_source_url" => "www.qq.com",
   "content" => "content",
   "digest" => "digest"
   );
   * return 
   array (size=3)
   'type' => string 'news' (length=4)
   'media_id' => string 'OuXqv2dgZzxAmK4z-tvStgr6InG18oIllWkD6Tj1qJZVRg-2f64FDU2D3J7dptHs' (length=64)
   'created_at' => int 1400477183
   */
  public function uploadNews($postData) {
    $uploadUrl = sprintf(self::UPLOAD_NEWS_URL, $this->access_token);
    $result = self::http_post($uploadUrl, self::json_encode($postData));
    $result = json_decode($result, TRUE);
    return $result;
  }

  /**
   * 获取粉丝列表
   * @param type $nextOpenId
   * @return type
   */
  public function getAllConnects($nextOpenId = "") {
    $url = 'https://api.weixin.qq.com/cgi-bin/user/get?access_token=%s&next_openid=%s';
    $url = sprintf($url, $this->access_token, $nextOpenId);
    $result = self::http_get($url);
    $result = json_decode($result, TRUE);
    $count = count($result['data']['openid']);
    $list = $result['data']['openid'];
    if ($result['data']['openid'][$count - 1] == $result['next_openid']) {
      return $result['data']['openid'];
    } else {
      $templist = $this->getAllConnects($result['next_openid']);
      $list = array_merge($list, $templist);
      return $list;
    }
  }

  /**
   * 根据粉丝唯一id获取微信信息
   * @param type $openid
   * @return type
   */
  public function getFansInfo($openid) {
    $url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token=%s&openid=%s&lang=zh_CN';
    $url = sprintf($url, $this->access_token, $openid);
    $result = self::http_get($url);
    $result = json_decode($result, TRUE);
    return $result;
  }

  /**
   * 更新粉丝组信息
   * @param type $openid
   * @param type $groupid
   * @return type
   */
  public function updateFansGroups($openid, $groupid) {
    $url = 'https://api.weixin.qq.com/cgi-bin/groups/members/update?access_token=%s';
    $url = sprintf($url, $this->access_token);
    $postData = array("to_groupid" => $groupid, 'openid' => $openid);
    $result = self::http_post($url, self::json_encode($postData));
    $result = json_decode($result, TRUE);
    $this->getGroups(true);
    return $result;
  }

  /**
   * 获取粉丝组信息
   * @param type $openid
   * @return type
   */
  public function getFansGroupInfo($openid) {
    $url = 'https://api.weixin.qq.com/cgi-bin/groups/getid?access_token=%s';
    $url = sprintf($url, $this->access_token);
    $postData = array("r" => time(), 'openid' => $openid);
    $result = self::http_post($url, self::json_encode($postData));
    $result = json_decode($result, TRUE);
    return $result['groupid'];
  }

  /**
   * 获取唯一key
   * @param type $key
   * @return type
   */
  public function getKey($key) {
    return md5($this->appid . $this->appsecret . $key);
  }

  /**
   * 获取媒体图片到本地
   * @param type $mediaid
   * @return string
   */
  public function getMedia($mediaid) {
    $url = sprintf(self::GET_MEDIA_URL, $this->access_token, $mediaid);
    $result = self::http_get($url);
    $temp_file = $this->tem_file_path . 'getMedia.jpg';
    file_put_contents($temp_file, $result);
    return $temp_file;
  }

  /**
   * 用户组
   * @param type $flag 强制刷新用户组
   * @return type
   */
  public function getGroups($flag = false) {
    $key = $this->appid . 'gasdfev' . $this->appsecret;
    $result = Cache::get($key);
    if (empty($result) || $flag) {
      $url = 'https://api.weixin.qq.com/cgi-bin/groups/get?access_token=%s';
      $url = sprintf($url, $this->access_token);
      $result = self::http_get($url);
      $result = json_decode($result, TRUE);
      $temg = array();
      $temlist = array();
      foreach ($result['groups'] as $k => $v) {
        $temg[$v['id']] = $v;
        $temlist[$v['id']] = $v['name'];
      }
      $result['map'] = $temg;
      $result['list'] = $temlist;
      Cache::set($key, $result);
    }
    return $result;
  }

  /**
   * 新增用户组
   * @param type $name
   * @return type
   */
  public function createGroup($name) {
    $url = 'https://api.weixin.qq.com/cgi-bin/groups/create?access_token=%s';
    $url = sprintf($url, $this->access_token);
    $result = self::http_post($url, self::json_encode(array('group' => array('name' => $name))));
    $result = json_decode($result, TRUE);
    return $result;
  }

  /**
   * 修改用户组
   * @param type $id
   * @param type $name
   * @return type
   */
  public function modifyGroup($id, $name) {
    $url = 'https://api.weixin.qq.com/cgi-bin/groups/update?access_token=%s';
    $url = sprintf($url, $this->access_token);
    $result = self::http_post($url, self::json_encode(array('group' => array('id' => $id, 'name' => $name))));
    $result = json_decode($result, TRUE);
    return $result;
  }

  /**
   * 多客服接入
   * @global type $wid
   * @param type $postObj
   */
  public static function responseService($postObj) {
    global $wid;
    $fromUsername = $postObj->FromUserName;
    $toUsername = $postObj->ToUserName;
    $textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[transfer_customer_service]]></MsgType>
</xml>";
    $resstr = sprintf($textTpl, $fromUsername, $toUsername, time());
    echo $resstr;
  }

  /**
   * 微信回复多图文
   * @global type $wid
   * @param type $res
   * array(array(),array()
   * );
   * @param type $rid
   * @param type $postObj
   */
  public static function response_morearts($res, $postObj) {
    global $wid;
    $fromUsername = $postObj->FromUserName;
    $toUsername = $postObj->ToUserName;
    $textTpl = "<xml>
 <ToUserName><![CDATA[%s]]></ToUserName>
 <FromUserName><![CDATA[%s]]></FromUserName>
 <CreateTime>%s</CreateTime>
 <MsgType><![CDATA[%s]]></MsgType>
 <ArticleCount>%s</ArticleCount>
 <Articles>
 ITEM
 </Articles>
 </xml>";
    $resstr = sprintf($textTpl, $fromUsername, $toUsername, time(), "news", count($res));
    $item = '';
    $subitem = "<item>
 <Title><![CDATA[%s]]></Title>
 <Description><![CDATA[%s]]></Description>
 <PicUrl><![CDATA[%s]]></PicUrl>
 <Url><![CDATA[%s]]></Url>
 </item>";
    foreach ($res as $r) {
      $r['url'] = self::parseUrl($r['url']);
      $item .= sprintf($subitem, $r['tit'], $r['des'], self::complateUrl($r['pic']), self::replaceToWXUrl(self::complateUrl($r['url']), $postObj));
    }
    $resstr = str_replace('ITEM', $item, $resstr);
    echo $resstr;
  }

  /**
   * url解析
   * @param type $url
   * @return string
   */
  public static function complateUrl($url) {
    if (false === stristr($url, "http://")) {//查找http:// 如果不存在
      if (0 === strpos($url, '/')) {//查找首字母 如果存在
        $url = substr($url, 1); //去除/
      }
      $url = "http://" . $_SERVER['HTTP_HOST'] . '/' . $url; //拼接完整路径
    }
    return $url;
  }

  /**
   * 微信url固定参数替换
   * @param type $url
   * @param type $postObj
   * @return type
   */
  public static function replaceToWXUrl($url, $postObj) {
    global $wechatid;
    return str_ireplace('fromUsername', $wechatid, $url);
  }

  /**
   * 完成以下行为
   * parseUrlParam
   * setUrlPublicParam
   * buildUrlParam
   * @param type $url
   * @param type $other 附加参数 基础参数wid wxid wechatid
   */
  public static function parseUrl($url, $other = array()) {
    $url = self::parseUrlParam($url);
    $url = self::setUrlPublicParam($url);
    if (is_array($other) && !empty($other)) {
      $url['param'] = array_merge($url['param'], $other);
    }
    $url = self::buildUrlParam($url);
    return $url;
  }

  /**
   * 分析url
   * @param type $url
   * @return type
   */
  public static function parseUrlParam($url) {
    $temp = explode("&#63;", $url);
    $url0 = $temp[0];
    $url1 = $temp[1];
    $p = explode("&", $url1);
    $param = array();
    foreach ($p as $v) {
      $tempp = explode("=", $v);
      $param[$tempp[0]] = $tempp[1];
    }
    return array("url" => $url0, "param" => $param);
  }

  /**
   * 组装url
   * @param type $arr
   * @return type
   */
  public static function buildUrlParam($arr) {
    $url = $arr['url'];
    $param = $arr['param'];
    $param_arr = array();
    foreach ($param as $k => $v) {
      if ($k == "") continue;
      $param_arr[] = $k . "=" . $v;
    }
    return $url . "&#63;" . implode("&", $param_arr) . "#mp.weixin.qq.com";
  }

  /**
   * 设置微信保留参数信息
   * @global type $uid
   * @global type $wid
   * @global type $wechatid
   * @param type $url
   * @return type
   */
  public static function setUrlPublicParam($url) {
    global $uid, $wid, $wechatid;
    $url['param']['wid'] = $wid;
    $url['param']['wxid'] = $wechatid;
    $url['param']['wechatid'] = $wechatid;
    return $url;
  }

  public static $errorno = array(
    '-1' => '系统繁忙',
    '0' => '请求成功',
    '40001' => '获取access_token时AppSecret错误，或者access_token无效',
    '40002' => '不合法的凭证类型',
    '40003' => '不合法的OpenID',
    '40004' => '不合法的媒体文件类型',
    '40005' => '不合法的文件类型',
    '40006' => '不合法的文件大小',
    '40007' => '不合法的媒体文件id',
    '40008' => '不合法的消息类型',
    '40009' => '不合法的图片文件大小',
    '40010' => '不合法的语音文件大小',
    '40011' => '不合法的视频文件大小',
    '40012' => '不合法的缩略图文件大小',
    '40013' => '不合法的APPID',
    '40014' => '不合法的access_token',
    '40015' => '不合法的菜单类型',
    '40016' => '不合法的按钮个数',
    '40017' => '不合法的按钮个数',
    '40018' => '不合法的按钮名字长度',
    '40019' => '不合法的按钮KEY长度',
    '40020' => '不合法的按钮URL长度',
    '40021' => '不合法的菜单版本号',
    '40022' => '不合法的子菜单级数',
    '40023' => '不合法的子菜单按钮个数',
    '40024' => '不合法的子菜单按钮类型',
    '40025' => '不合法的子菜单按钮名字长度',
    '40026' => '不合法的子菜单按钮KEY长度',
    '40027' => '不合法的子菜单按钮URL长度',
    '40028' => '不合法的自定义菜单使用用户',
    '40029' => '不合法的oauth_code',
    '40030' => '不合法的refresh_token',
    '40031' => '不合法的openid列表',
    '40032' => '不合法的openid列表长度',
    '40033' => '不合法的请求字符，不能包含\uxxxx格式的字符',
    '40035' => '不合法的参数',
    '40038' => '不合法的请求格式',
    '40039' => '不合法的URL长度',
    '40050' => '不合法的分组id',
    '40051' => '分组名字不合法',
    '40059' => '不合法的消息id',
    '41001' => '缺少access_token参数',
    '41002' => '缺少appid参数',
    '41003' => '缺少refresh_token参数',
    '41004' => '缺少secret参数',
    '41005' => '缺少多媒体文件数据',
    '41006' => '缺少media_id参数',
    '41007' => '缺少子菜单数据',
    '41008' => '缺少oauth code',
    '41009' => '缺少openid',
    '42001' => 'access_token超时',
    '42002' => 'refresh_token超时',
    '42003' => 'oauth_code超时',
    '43001' => '需要GET请求',
    '43002' => '需要POST请求',
    '43003' => '需要HTTPS请求',
    '43004' => '需要接收者关注',
    '43005' => '需要好友关系',
    '44001' => '多媒体文件为空',
    '44002' => 'POST的数据包为空',
    '44003' => '图文消息内容为空',
    '44004' => '文本消息内容为空',
    '45001' => '多媒体文件大小超过限制',
    '45002' => '消息内容超过限制',
    '45003' => '标题字段超过限制',
    '45004' => '描述字段超过限制',
    '45005' => '链接字段超过限制',
    '45006' => '图片链接字段超过限制',
    '45007' => '语音播放时间超过限制',
    '45008' => '图文消息超过限制',
    '45009' => '接口调用超过限制',
    '45010' => '创建菜单个数超过限制',
    '45015' => '回复时间超过限制',
    '45016' => '系统分组，不允许修改',
    '45017' => '分组名字过长',
    '45018' => '分组数量超过上限',
    '46001' => '不存在媒体数据',
    '46002' => '不存在的菜单版本',
    '46003' => '不存在的菜单数据',
    '46004' => '不存在的用户',
    '47001' => '解析JSON/XML内容错误',
    '48001' => 'api功能未授权',
    '50001' => '用户未授权该api'
  );

  /**
   * GET 请求
   * @param string $url
   */
  public static function http_get($url) {
    if (!function_exists('curl_init')) {
      die('curl 未开启');
    };
    $oCurl = curl_init();
    if (stripos($url, "https://") !== FALSE) {
      curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
      curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE);
    }
    curl_setopt($oCurl, CURLOPT_URL, $url);
    curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
    $sContent = curl_exec($oCurl);
    $aStatus = curl_getinfo($oCurl);
    curl_close($oCurl);
    if (intval($aStatus["http_code"]) == 200) {
      return $sContent;
    } else {
      return false;
    }
  }

  /**
   * POST 请求
   * @param string $url
   * @param array $param
   * @return string content
   */
  public static function http_post($url, $param, $httpBuildQuery = false) {
    if (!function_exists('curl_init')) {
      die('curl 未开启');
    };
    $oCurl = curl_init();
    if (stripos($url, "https://") !== FALSE) {
      curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
      curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false);
    }
    curl_setopt($oCurl, CURLOPT_URL, $url);
    curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
//    curl_setopt($oCurl, CURLOPT_HTTPHEADER, $header);//设置HTTP头
    curl_setopt($oCurl, CURLOPT_POST, 1);
    if ($httpBuildQuery) {
      $param = http_build_query($param);
    }
    curl_setopt($oCurl, CURLOPT_POSTFIELDS, $param);
    $sContent = curl_exec($oCurl);
    $aStatus = curl_getinfo($oCurl);
    curl_close($oCurl);
    if (intval($aStatus["http_code"]) == 200) {
      return $sContent;
    } else {
      return false;
    }
  }

  /**
   * 微信api不支持中文转义的json结构
   * @param array $arr
   */
  static function json_encode($arr) {
    $parts = array();
    $is_list = false;
    //Find out if the given array is a numerical array
    $keys = array_keys($arr);
    $max_length = count($arr) - 1;
    if (($keys [0] === 0) && ($keys [$max_length] === $max_length )) { //See if the first key is 0 and last key is length - 1
      $is_list = true;
      for ($i = 0; $i < count($keys); $i ++) { //See if each key correspondes to its position
        if ($i != $keys [$i]) { //A key fails at position check.
          $is_list = false; //It is an associative array.
          break;
        }
      }
    }
    foreach ($arr as $key => $value) {
      if (is_array($value)) { //Custom handling for arrays
        if ($is_list) $parts [] = self::json_encode($value); /* :RECURSION: */
        else $parts [] = '"' . $key . '":' . self::json_encode($value); /* :RECURSION: */
      } else {
        $str = '';
        if (!$is_list) $str = '"' . $key . '":';
        //Custom handling for multiple data types
        if (is_numeric($value) && $value < 2000000000) $str .= $value; //Numbers
        elseif ($value === false) $str .= 'false'; //The booleans
        elseif ($value === true) $str .= 'true';
        else $str .= '"' . addslashes($value) . '"';
//All other things
// :TODO: Is there any more datatype we should be in the lookout for&#63; (Object&#63;)
        $parts [] = $str;
      }
    }
    $json = implode(',', $parts);
    if ($is_list) return '[' . $json . ']'; //Return numerical JSON
    return '{' . $json . '}'; //Return associative JSON
  }

}

The above is the entire content of this article. I hope it will be helpful to everyone in learning PHP programming.