php進行微信文字安全校驗老是提示資料格式錯誤，求大佬解答

Question

程式碼：

$text=$_GET['text'];//文字內容

$data = array(

    'openid'=>$ openid,

    'content'=>$text,

#    'version'=>2,

    'scene'=>3

## );

$data = http_build_query($data);

$url = 'https://api.weixin.qq.com/wxa/msg_sec_check?access_token='.$access_token;

$ch = curl_init();

curl_setopt($ch,CURLOPT_URL,$url);

curl_setopt($ch,CURLOPT_HEADER,0);

#curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);

curl_setopt($ch, CURLOPT_POST, 1);//POST提交

curl_setopt($ch,CURLOPT_POSTFIELDS,$data

curl_setopt($ch,CURLOPT_POSTFIELDS,$data); /POST資料

$result = curl_exec($ch);

echo $result;

curl_close($ch);

#輸出結果：

data: {errcode: 47001, errmsg: "data format error rid: 63608120-7a9be7c8-1bf52c51"}