微信 msg_sec_check接口PHP 调用

$checkContent = '要检测的内容';
$url = 'https://api.weixin.qq.com/wxa/msg_sec_check?access_token='. $res["access_token"];
$data = json_encode(array('content'=>$checkContent),JSON_UNESCAPED_UNICODE);
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_URL,$url); // url
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data); // json数据
$res = curl_exec($ch); // 返回值
curl_close($ch);
$result = json_decode($res,true);

return $result;