删除多个对象

$bucket = '<your-bucket-name>';
$keys = ['<object-key1>', '<object-key2>', '<object-key3>'];

$s3->deleteObjects([
    'Bucket'  => $bucket,
    'Delete' => [
        'Objects' => array_map(function ($key) {
            return ['Key' => $key];
        }, $keys)
    ],
]);