sendAllMsg.php

appId = $appId;
      $this->appSecret = $appSecret;
      $this->access_token = $this->getAccessToken();
    }
    //
    function getData($url){
      $ch = curl_init();
      curl_setopt($ch, CURLOPT_URL, $url);
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
      curl_setopt($ch, CURLOPT_HEADER, 0);
      curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
      curl_setopt($ch, CURLOPT_ENCODING, 'gzip');
      curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
      $data = curl_exec($ch);
      curl_close($ch);
      return $data;
    }
    //
    function postData($url,$data){
      $ch = curl_init();
      curl_setopt($ch, CURLOPT_URL, $url);
      curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
      curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
      curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
      curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
      curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
      curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
      curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
      $tmpInfo = curl_exec($ch);
      if (curl_errno($ch)) {
        return curl_error($ch);
      }
      curl_close($ch);
      return $tmpInfo;
    }
    //
    function getAccessToken(){
      $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$this->appId."&secret=".$this->appSecret;
      $res = $this->getData($url);
      $jres = json_decode($res,true);
      $access_token = $jres['access_token'];
      return $access_token;
    }
    //
    private function getUserInfo(){
      $url = "https://api.weixin.qq.com/cgi-bin/user/get?access_token=".$this->access_token;
      $res = $this->getData($url);
      $jres = json_decode($res,true);
      //print_r($jres);
      $userInfoList = $jres['data']['openid'];
      return $userInfoList;
    }
    function sendMsgToAll(){
      $userInfoList = $this->getUserInfo();
      $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=".$this->access_token;
      foreach($userInfoList as $val){
        $data = '{
              "touser":"'.$val.'",
              "msgtype":"text",
              "text":
              {
                "content":"测试一下，抱歉打扰各位"
              }
            }';
        $this->postData($url,$data);
      }
    }
  }
  $test = new SendAllMsg("YOURappId","YOURappSecret");
  $test->sendMsgToall();
   
?>