function request_post_json($url = '', $param = '') {
	if (empty($url) || empty($param)) {
		return false;
	}   

	$postUrl = $url;
	$curlPost = $param;
	$curl = curl_init();//初始化curl
	curl_setopt($curl, CURLOPT_URL,$postUrl);//抓取指定网页
	curl_setopt($curl, CURLOPT_HEADER, true);//设置header
	curl_setopt($curl, CURLOPT_HTTPHEADER, array(
			'Content-Type: application/json; charset=utf-8'
		)   
	);  
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
	curl_setopt($curl, CURLOPT_POST, 1);//post提交方式
	curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
	$data = curl_exec($curl);//运行curl
	curl_close($curl);

	return $data;
}

$token = $this->actionGetToken();
$url = 'https://aip.baidubce.com/rest/2.0/face/v3/match?access_token=' . $token;
$bodys = "[{\"image\":\"$source_data\",\"image_type\":\"BASE64\",\"face_type\":\"LIVE\",\"quality_control\":\"LOW\",\"liveness_control\":\"HIGH
\"},{\"image\":\"$newdata\",\"image_type\":\"BASE64\",\"face_type\":\"LIVE\",\"quality_control\":\"LOW\",\"liveness_control\":\"HIGH\"}]";
$res = request_post_json($url, $bodys);