data_center/vendor/qcloud/cos-sdk-v5/sample/appendObject.php

<?php

require dirname(__FILE__, 2) . '/vendor/autoload.php';

$secretId = "SECRETID"; //替换为用户的 secretId，请登录访问管理控制台进行查看和管理，https://console.cloud.tencent.com/cam/capi
$secretKey = "SECRETKEY"; //替换为用户的 secretKey，请登录访问管理控制台进行查看和管理，https://console.cloud.tencent.com/cam/capi
$region = "ap-beijing"; //替换为用户的 region，已创建桶归属的region可以在控制台查看，https://console.cloud.tencent.com/cos5/bucket
$cosClient = new Qcloud\Cos\Client(
    array(
        'region' => $region,
        'scheme' => 'https', //协议头部，默认为http
        'credentials' => array(
            'secretId' => $secretId,
            'secretKey' => $secretKey)));
$local_path = "/data/exampleobject";
try {
    $result = $cosClient->appendObject(array(
        'Bucket' => 'examplebucket-125000000', //存储桶名称，由BucketName-Appid 组成，可以在COS控制台查看 https://console.cloud.tencent.com/cos5/bucket
        'Key' => 'exampleobject',
        'Position' => 0, //追加对象位置
        'Body' => fopen($local_path, 'rb'),//读取文件内容
    ));
    /*
    $result = $cosClient->appendObject(array(
        'Bucket' => 'examplebucket-125000000', //存储桶名称，由BucketName-Appid 组成，可以在COS控制台查看 https://console.cloud.tencent.com/cos5/bucket
        'Key' => 'exampleobject',
        'Position' => (integer)$result['Position'], //取出上一个追加文件的对象位置进行追加
        'Body' => "hello", //文件流
    ));
    */
    // 请求成功
    print_r($result);
} catch (\Exception $e) {
    // 请求失败
    echo($e);
}