PHPでAWS S3からディレクトリ単位でダウンロード

<?php

use Aws\S3\S3Client;
use Aws\S3\Transfer;

$client = new S3Client([
    'region'  => '****',
    'version' => 'latest',
]);

// from
$source = 's3://bucket/foo';
// to ローカルディレクトリのパス
$dest   = '/path/to/destination/dir';

$manager = new Transfer(
    $client,
    $source,
    $dest,
);
$manager->transfer();

<?php

use Aws\S3\S3Client;
use Aws\S3\Transfer;

$client = new S3Client([
    'region'  => '****',
    'version' => 'latest',
]);

// from
$source = 's3://bucket/foo';
// to ローカルディレクトリのパス
$dest   = '/path/to/destination/dir';

$manager = new Transfer(
    $client,
    $source,
    $dest,
);

$promise = $manager->promise();
$promise
    ->then(function () {
        echo 'Done!';
    })
    ->otherwise(function ($reason) {
        echo 'Transfer failed';
    });