使用通配符使用api php从S3中删除

我有这个工作代码从s3删除文件和文件夹.
你会如何删除使用通配符*？

$s3 = new AmazonS3();

$bucket = 'mybucket';
$folder = 'myDirectory/*';// this doesnt work

$response = $s3->get_object_list($bucket, array(
   'prefix' => $folder
));

foreach ($response as $v) {
    $s3->delete_object($bucket, $v);
}

解决方法:

大概使用通配符*意味着您想要一次删除所有对象而不是一次删除一个对象？

这可以通过delete_all_objects($bucket, $pcre)实现,其中$pcre是一个可选的Perl兼容正则表达式(PCRE)来过滤名称(默认为PCRE_ALL,即“/.*/i”),例如：

$s3 = new AmazonS3();
$response = $s3->delete_all_objects($bucket, "#myDirectory/.*#");

我选择#而不是通常的/作为包含分隔符的模式以避免转义(这里没有单斜杠的问题,但是对于更复杂的情况它很快就会变得混乱),详见Delimiters.

实施说明

请注意,过去在Amazon S3 API级别无法删除多个对象,并且在AWS SDK for PHP中使用delete_all_objects()中的for循环进行模拟,即它仍然使用每个对象一个请求;幸运的是,亚马逊终于在2011年12月推出了Amazon S3 – Multi-Object Delete：

07004 new Multi-Object Delete gives you the ability to
delete up to 1000 objects from an S3 bucket with a single request.

此后不久,AWS SDK for PHP中添加了对S3 Multi Object Delete的支持,请参阅AWS SDK for PHP 1.4.8 “Zanarkand”：

The AmazonS3 class Now allows you to delete multiple Amazon S3 objects
using a single HTTP request. This has been exposed as the
delete_objects() method, and the delete_all_objects() and
delete_all_object_versions() methods have been rewritten to Leverage this new Amazon S3 feature.

还显示了专用多对象删除(即没有通配符)的示例：

$s3 = new AmazonS3();
$response = $s3->delete_objects($bucket, array(
    'objects' => array(
        array('Key' => 'file1.txt'),
        array('Key' => 'file2.txt'),
    )
));