查询对象元数据

public Guzzle\\Service\\Resource\\Model headObject(array $args = array());

<?php

require dirname(__FILE__) . '/../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)));

try {
    $result = $cosClient->headObject(array(
        'Bucket' => 'examplebucket-1250000000', //存储桶名称，由BucketName-Appid 组成，可以在COS控制台查看 https://console.cloud.tencent.com/cos5/bucket
        'Key' => 'exampleobject',
    )); 
    // 请求成功
    print_r($result);
} catch (\\Exception $e) {
    // 请求失败
    echo($e);
}

Guzzle\\Service\\Resource\\Model Object
(
    [structure:protected] => 
    [data:protected] => Array
        (
            [DeleteMarker] => 
            [AcceptRanges] => 
            [Expiration] => 
            [Restore] => 
            [LastModified] => Tue, 02 Apr 2019 12:38:09 GMT
            [ContentLength] => 238186
            [ETag] => "af9f3b8eaf64473278909183abba1e31"
            [MissingMeta] => 
            [VersionId] => 
            [CacheControl] => 
            [ContentDisposition] => 
            [ContentEncoding] => 
            [ContentLanguage] => 
            [ContentType] => text/plain; charset=utf-8
            [Expires] => 
            [ServerSideEncryption] => 
            [Metadata] => Array
                (
                    [md5] => af9f3b8eaf64473278909183abba1e31
                )
            [SSECustomerAlgorithm] => 
            [SSECustomerKeyMD5] => 
            [SSEKMSKeyId] => 
            [StorageClass] => 
            [RequestCharged] => 
            [ReplicationStatus] => 
            [RequestId] => NWNhMzU3Y2ZfMzFhYzM1MGFfODdhMF8xOTExM2U=
            [CRC] => 16749565679157681890
        )

)