PHP教程
/**
 * 微信接口調用
 * 依賴
 * 全局變量
 * global $uid 公眾號用戶id, $wid 公眾號id, $wechatid 粉絲唯一id;
 * 參數
 * $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
 * $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
 * 緩存類 自定義
 * Cache:set
 * Cache:get
 * 具體業務修改
 * 1.上傳圖文信息至微信素材庫
 * function uploadArticlesToWeiXinServer()
 * 2.關鍵字匹配圖文回復
 * function getArticleData()
 * 
 * usage:
 *  $options = array(
 *  'token'=>'tokenaccesskey', //填寫你設定的key
 *  'appid'=>'wxdk1234567890', //填寫高級調用功能的app id
 *  'appsecret'=>'xxxxxxxxxxxxxxxxxxx', //填寫高級調用功能的密鑰
 *  );
 */
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 $tem_file_path = "";
//  授權地址
  const AUTH_URL = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s';
//  素材上傳
  const UPLOAD_MEDIA_URL = "http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token=%s&type=%s";
  const GET_MEDIA_URL = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=%s&media_id=%s";
  const UPLOAD_NEWS_URL = "https://api.weixin.qq.com/cgi-bin/media/uploadnews?access_token=%s";
  public function __construct($options) {
    $this->appid = isset($options['appid']) ? $options['appid'] : '';
    $this->appsecret = isset($options['appsecret']) ? $options['appsecret'] : '';
    //需修改
    //上傳圖片臨時文件目錄自定義
    $this->tem_file_path = YYUC_FRAME_PATH . YYUC_PUB . '/' . Session::get('upath');
  }
  /**
   * 需修改
   * 具體業務需求,圖文信息上傳至素材庫
   * 微站文章上傳至微信素材
   * @param type $wid 
   * @param type $aid
   * @return int
   */
  public function uploadArticlesToWeiXinServer($wid, $aid) {
    //具體圖文組裝過程,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'], //內容 富文本
        "digest" => $v['description']//描述
      );
      $items[] = $item;
    }
    //以上具體圖文組裝過程,需修改
    $postData['articles'] = $items;
    $error = $this->uploadNews($postData);
    return $error;
  }
  /**
   * 需修改
   * 微站文章關鍵字匹配數據解析
   */
  public static function getArticleData($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;
    }
  }
  /**
   * 獲取accesstoken
   * @param type $flag 強制刷新accesstoken 開關
   * @return type
   */
  public function getAccessToken($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;
  }
  /**
   * 上傳媒體
   * @param type $file 媒體文件 $url或者物理路徑地址
   * @param type $type 類型 
   * @return int
   * return 
   array (size=3)
   'type' => string 'image' (length=5)
   'media_id' => string '-0Lr3rX9mDYBB7i5bDydvwFHHm3zW2Uxt0OoDFBPmGRfYiwckiALqHH_DlP9jCm_' (length=64)
   'created_at' => int 1400477181
   */
  public function uploadMedia($file, $type = "image") {
    $file = self::complateUrl($file);
    $urlarr = parse_url($file);
    $filetype = explode(".", $urlarr['path']);
    $filetype = strtolower($filetype[count($filetype) - 1]);
    $resizeSize = 100; //圖片處理后另存質量
    if (!key_exists($type, $this->mediaType) || !in_array($filetype, $this->mediaType[$type])) {
//      return 40005; //格式錯誤
      $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); //圖片太大再處理壓縮
      $temp_file = $temp_file_resize;
//      return 40006; //大小錯誤
    }
    $filePath = realpath($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;
  }
  /**
   * 群發圖文信息
   * @param type $touser 粉絲數組/粉絲組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)) {
      //用戶列表群發
      $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; //無效分組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;
  }
  /**
   * 刪除群發信息
   * @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;
  }
  /**
   * 群發圖文素材上傳
   $postData = array('articles' => array($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;
  }
  /**
   * 獲取粉絲列表
   * @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;
    }
  }
  /**
   * 根據粉絲唯一id獲取微信信息
   * @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;
  }
  /**
   * 更新粉絲組信息
   * @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;
  }
  /**
   * 獲取粉絲組信息
   * @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'];
  }
  /**
   * 獲取唯一key
   * @param type $key
   * @return type
   */
  public function getKey($key) {
    return md5($this->appid . $this->appsecret . $key);
  }
  /**
   * 獲取媒體圖片到本地
   * @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;
  }
  /**
   * 用戶組
   * @param type $flag 強制刷新用戶組
   * @return type
   */
  public function getGroups($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;
  }
  /**
   * 新增用戶組
   * @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;
  }
  /**
   * 修改用戶組
   * @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;
  }
  /**
   * 微信回復多圖文
   * @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; //拼接完整路徑
    }
    return $url;
  }
  /**
   * 微信url固定參數替換
   * @param type $url
   * @param type $postObj
   * @return type
   */
  public static function replaceToWXUrl($url, $postObj) {
    global $wechatid;
    return str_ireplace('fromUsername', $wechatid, $url);
  }
  /**
   * 完成以下行為
   * parseUrlParam
   * setUrlPublicParam
   * buildUrlParam
   * @param type $url
   * @param type $other 附加參數 基礎參數wid wxid wechatid
   */
  public static function parseUrl($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("?", $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);
  }
  /**
   * 組裝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 . "?" . implode("&", $param_arr) . "#mp.weixin.qq.com";
  }
  /**
   * 設置微信保留參數信息
   * @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' => '系統繁忙',
    '0' => '請求成功',
    '40001' => '獲取access_token時AppSecret錯誤,或者access_token無效',
    '40002' => '不合法的憑證類型',
    '40003' => '不合法的OpenID',
    '40004' => '不合法的媒體文件類型',
    '40005' => '不合法的文件類型',
    '40006' => '不合法的文件大小',
    '40007' => '不合法的媒體文件id',
    '40008' => '不合法的消息類型',
    '40009' => '不合法的圖片文件大小',
    '40010' => '不合法的語音文件大小',
    '40011' => '不合法的視頻文件大小',
    '40012' => '不合法的縮略圖文件大小',
    '40013' => '不合法的APPID',
    '40014' => '不合法的access_token',
    '40015' => '不合法的菜單類型',
    '40016' => '不合法的按鈕個數',
    '40017' => '不合法的按鈕個數',
    '40018' => '不合法的按鈕名字長度',
    '40019' => '不合法的按鈕KEY長度',
    '40020' => '不合法的按鈕URL長度',
    '40021' => '不合法的菜單版本號',
    '40022' => '不合法的子菜單級數',
    '40023' => '不合法的子菜單按鈕個數',
    '40024' => '不合法的子菜單按鈕類型',
    '40025' => '不合法的子菜單按鈕名字長度',
    '40026' => '不合法的子菜單按鈕KEY長度',
    '40027' => '不合法的子菜單按鈕URL長度',
    '40028' => '不合法的自定義菜單使用用戶',
    '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列表長度',
    '40033' => '不合法的請求字符,不能包含\uxxxx格式的字符',
    '40035' => '不合法的參數',
    '40038' => '不合法的請求格式',
    '40039' => '不合法的URL長度',
    '40050' => '不合法的分組id',
    '40051' => '分組名字不合法',
    '40059' => '不合法的消息id',
    '41001' => '缺少access_token參數',
    '41002' => '缺少appid參數',
    '41003' => '缺少refresh_token參數',
    '41004' => '缺少secret參數',
    '41005' => '缺少多媒體文件數據',
    '41006' => '缺少media_id參數',
    '41007' => '缺少子菜單數據',
    '41008' => '缺少oauth code',
    '41009' => '缺少openid',
    '42001' => 'access_token超時',
    '42002' => 'refresh_token超時',
    '42003' => 'oauth_code超時',
    '43001' => '需要GET請求',
    '43002' => '需要POST請求',
    '43003' => '需要HTTPS請求',
    '43004' => '需要接收者關注',
    '43005' => '需要好友關系',
    '44001' => '多媒體文件為空',
    '44002' => 'POST的數據包為空',
    '44003' => '圖文消息內容為空',
    '44004' => '文本消息內容為空',
    '45001' => '多媒體文件大小超過限制',
    '45002' => '消息內容超過限制',
    '45003' => '標題字段超過限制',
    '45004' => '描述字段超過限制',
    '45005' => '鏈接字段超過限制',
    '45006' => '圖片鏈接字段超過限制',
    '45007' => '語音播放時間超過限制',
    '45008' => '圖文消息超過限制',
    '45009' => '接口調用超過限制',
    '45010' => '創建菜單個數超過限制',
    '45015' => '回復時間超過限制',
    '45016' => '系統分組,不允許修改',
    '45017' => '分組名字過長',
    '45018' => '分組數量超過上限',
    '46001' => '不存在媒體數據',
    '46002' => '不存在的菜單版本',
    '46003' => '不存在的菜單數據',
    '46004' => '不存在的用戶',
    '47001' => '解析JSON/XML內容錯誤',
    '48001' => 'api功能未授權',
    '50001' => '用戶未授權該api'
  );
  /**
   * GET 請求
   * @param string $url
   */
  public static function http_get($url) {
    if (!function_exists('curl_init')) {
      die('curl 未開啟');
    };
    $oCurl = curl_init();
    if (stripos($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 請求
   * @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 未開啟');
    };
    $oCurl = curl_init();
    if (stripos($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, $header);//設置HTTP頭
    curl_setopt($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不支持中文轉義的json結構
   * @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? (Object?)
        $parts [] = $str;
      }
    }
    $json = implode(',', $parts);
    if ($is_list) return '[' . $json . ']'; //Return numerical JSON
    return '{' . $json . '}'; //Return associative JSON
  }
}