Object Storage Service:Restore files (PHP SDK V1)

<?php
if (is_file(__DIR__ . '/../autoload.php')) {
    require_once __DIR__ . '/../autoload.php';
}
if (is_file(__DIR__ . '/../vendor/autoload.php')) {
    require_once __DIR__ . '/../vendor/autoload.php';
}

use OSS\Credentials\EnvironmentVariableCredentialsProvider;
use OSS\OssClient;
use OSS\CoreOssException;

// Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
$provider = new EnvironmentVariableCredentialsProvider();
// The Endpoint is set to the China (Hangzhou) region. Replace it with the actual Endpoint.
$endpoint = "http://oss-cn-hangzhou.aliyuncs.com";
// Specify the bucket name. Example: examplebucket.
$bucket= "examplebucket";
// Specify the full path of the Archive object. Do not include the bucket name. Example: srcexampleobject.txt.
$object = "srcexampleobject.txt";

try {
    $config = array(
        "provider" => $provider,
        "endpoint" => $endpoint,
        "signatureVersion" => OssClient::OSS_SIGNATURE_VERSION_V4,
        "region"=> "cn-hangzhou"
    );
    $ossClient = new OssClient($config);
    // Restore the file.
    $ossClient->restoreObject($bucket, $object);
} catch (OssException $e) {
    printf(__FUNCTION__ . ": FAILED\n");
    printf($e->getMessage() . "\n");
    return;
}
print(__FUNCTION__ . ": OK" . "\n");        

<?php
if (is_file(__DIR__ . '/../autoload.php')) {
    require_once __DIR__ . '/../autoload.php';
}
if (is_file(__DIR__ . '/../vendor/autoload.php')) {
    require_once __DIR__ . '/../vendor/autoload.php';
}

use OSS\Credentials\EnvironmentVariableCredentialsProvider;
use OSS\OssClient;
use OSS\CoreOssException;
use OSS\Model\RestoreConfig;

// Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
$provider = new EnvironmentVariableCredentialsProvider();
// The Endpoint is set to the China (Hangzhou) region. Replace it with the actual Endpoint.
$endpoint = "http://oss-cn-hangzhou.aliyuncs.com";
// Specify the bucket name. Example: examplebucket.
$bucket= "examplebucket";
// Specify the full path of the Cold Archive object. Do not include the bucket name. Example: srcexampleobject.txt.
$object = "srcexampleobject.txt";

try {
    $config = array(
        "provider" => $provider,
        "endpoint" => $endpoint,
        "signatureVersion" => OssClient::OSS_SIGNATURE_VERSION_V4,
        "region"=> "cn-hangzhou"
    );
    $ossClient = new OssClient($config);
    // The number of days for which the object remains in the restored state. Valid values: 1 to 7.
    $day = 3; 
    // The restoration priority. This is set to Bulk, which means the object is restored within 5 to 12 hours.
    // To restore the object within 2 to 5 hours, set this parameter to Standard. To restore the object within 1 hour, set this parameter to Expedited.
    $tier = "Bulk"; 

    $config = new RestoreConfig($day,$tier);

    $options = array(
      OssClient::OSS_RESTORE_CONFIG => $config
    );

        $result = $ossClient->restoreObject($bucket, $object,$options);
} catch (OssException $e) {
    printf($e->getMessage() . "\n");
    return;
}