tp3.5 微信公众号群发图文消息

public function qunfa(){
//https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token=ACCESS_TOKEN
import("ORG.Util.Gongzhonghao");
$wx = new weixin;
#获取token
$token=$wx->get_token();
#获取素材列表
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.weixin.qq.com/cgi-bin/material/batchget_material?access_token=".$token);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(array("type"=>"news","offset"=>0,"count"=>10)));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = curl_exec($ch);
curl_close($ch);
if($data){
$data=json_decode($data,true);
//$data['item'][0]['media_id']
#群发 图文消息
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token=".$token);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode( array("touser"=>array("openid","openid","openid"),"mpnews"=>array("media_id"=>$data['item'][0]['media_id']),"msgtype"=>"mpnews","send_ignore_reprint"=>1) ) );
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$res = curl_exec($ch);
curl_close($ch);
var_dump($res);
}else{
echo "推送失败!";
}
}