[PHP][AWS] AWS SDK PHP 2 で S3 にファイルをアップロード

upload-s3.php

<?php
require_once("aws.phar");

use Aws\Common\Aws;
use Aws\Common\Enum\Region;
use Aws\S3\Enum\CannedAcl;
use Aws\S3\Exception\S3Exception;
use Guzzle\Http\EntityBody;

$access_key = 'Your Access Key';
$secret_key = 'Your Secret Key';
$region     = Region::AP_NORTHEAST_1;  // Region::AP_NORTHEAST_1 = Tokyo Region

$bucket = 's3_bucket_name';

try {
    // S3
    $s3 = Aws::factory(array(
        'key'    => $access_key,
        'secret' => $secret_key,
        'region' => $region,
        ))->get('s3');

    $info = new FInfo(FILEINFO_MIME_TYPE);

    // Upload File
    $filename = 'test.txt';
    $filebody = EntityBody::factory(fopen($filename, 'r'));
    $filetype = $info->file($filename);

    $response = $s3->putObject(array(
        'Bucket' => $bucket,
        'Key'    => $filename,
        'Body'   => $filebody,
        'ContentType' => $filetype,
        'StorageClass' => 'STANDARD',    // STANDARD or REDUCED_REDUNDANCY
        //'ServerSideEncryption => 'AES256',
        'ACL' => CannedAcl::PUBLIC_READ,  // PUBLIC_READ, PRIVATE_ACCESS...
    ));

    var_dump($response);

} catch (S3Exception $e) {
}