参考腾讯云官方文档：

人脸核身 获取 NONCE ticket_腾讯云

前提条件，已经成功获取了access token。

获取参考文档：

PHP腾讯云人脸核身获取Access Token-CSDN博客

public function getTxFaceNonceTicket($uid) {$access_token = file_get_contents('/data/config/tx_face_accesstoken.txt');if(!$access_token){return '';}$data = ['appId'=> '','access_token' => $access_token,'type' => 'NONCE','version' => '1.0.0','user_id' => $uid];$str = http_build_query($data);$url = 'https://kyc1.qcloud.com/api/oauth2/api_ticket?'.$str;$result = $this->curl_get($url);$arr = json_decode($result,true);if($arr['code'] == 0){$ticket = $arr['tickets'][0]['value'];}return $ticket;
}//curl get提交
function curl_get($url){$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_FAILONERROR, true);curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);curl_setopt($ch, CURLOPT_AUTOREFERER, true);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_TIMEOUT, 5);$SSL = substr($url, 0, 8) == "https://" ? true : false;if ($SSL) {curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 信任任何证书curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); // 检查证书中是否设置域名}$content = curl_exec($ch);curl_close($ch);return $content;
}