$url = "https://aip.baidubce.com/rest/2.0/face/v3/faceverify?access_token=".$accesstoken;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); // do not print out!
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, urlencode("image=".$image."&max_face_num=1"));
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$result = trim(curl_exec($ch));

调用活体检测，没有任何返回，我尝试去掉token检验是否call通，去掉后，说是参数不对，加上token，就没有任何返回