<?php
ini_set('date.timezone', 'Asia/Shanghai');
include 'BaiduBce.phar'; // 下载地址: https://cloud.baidu.com/doc/Developer/index.html

use BaiduBce\Auth\BceV1Signer;
use BaiduBce\Http\BceHttpClient;

$configs = array(
    'credentials' => array(
        'ak' => 'your Access Key',
        'sk' => 'your Secret Key',
    ),
    'endpoint' => 'https://cdn.baidubce.com',
);

$method = 'GET';
$parh = "/v2/abroad/stat/flow";
$body = '';
$params = json_decode('{"domain":"xxx.com","startTime":"2019-04-08T09:40:00Z","endTime":"2019-04-08T10:00:00Z","period":300}',true);
$headers = array( 
    'Content-Type' => 'application/json',
    'Accept' => 'application/json',
);

try{
  $response = (new BceHttpClient())->sendRequest(
    $configs,
    $method,
    $parh,
    $body,
    $headers,
    $params,
    new BceV1Signer()
  );
  print_r($response["body"]);
}catch(Exception $e) {
  echo $e->getMessage();
}

{
    "status": "ok",
    "details": [
        {
            "timestamp": "2019-04-08T09:40:00Z",
            "flow": 809,
            "bps": 21
        },
        {
            "timestamp": "2019-04-08T09:45:00Z",
            "flow": 4738,
            "bps": 126
        },
        {
            "timestamp": "2019-04-08T09:50:00Z"
        },
        {
            "timestamp": "2019-04-08T09:55:00Z"
        }
    ]
}