Object Storage Service:Manage folders (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 code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
$provider = new EnvironmentVariableCredentialsProvider();
// Set yourEndpoint to the Endpoint of the region where the bucket is located. For example, if the bucket is in the China (Hangzhou) region, set the Endpoint to https://oss-cn-hangzhou.aliyuncs.com.
$endpoint = "yourEndpoint";
// Specify the bucket name. For example, examplebucket.
$bucket= "examplebucket";
// Specify the folder name. The name must end with a forward slash (/).
$object = "exampledir/";
$content = "";

// You can set headers when you upload the object. For example, you can set the access permissions to private or specify custom metadata.
$options = array(
    OssClient::OSS_HEADERS => array(
        'x-oss-object-acl' => 'private',
        'x-oss-meta-info' => 'your info'
    ),
);
try{
    $config = array(
        "provider" => $provider,
        "endpoint" => $endpoint,
        "signatureVersion" => OssClient::OSS_SIGNATURE_VERSION_V4,
        "region"=> "cn-hangzhou"
    );
    $ossClient = new OssClient($config);

    $ossClient->putObject($bucket, $object, $content, $options);
} 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;

// Obtain access credentials from environment variables. Before you run this code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set. 
$provider = new EnvironmentVariableCredentialsProvider();
// Set yourEndpoint to the Endpoint of the region where the bucket is located. For example, if the bucket is in the China (Hangzhou) region, set the Endpoint to https://oss-cn-hangzhou.aliyuncs.com.
$endpoint = "yourEndpoint";
// Specify the bucket name.
$bucket = "examplebucket";

try {
   $config = array(
        "provider" => $provider,
        "endpoint" => $endpoint,
        "signatureVersion" => OssClient::OSS_SIGNATURE_VERSION_V4,
        "region"=> "cn-hangzhou"
    );
    $ossClient = new OssClient($config);
   $option = array(
      OssClient::OSS_MARKER => null,
      // Specify the full path of the folder to delete. The full path does not include the bucket name.
      OssClient::OSS_PREFIX => "log/",
      OssClient::OSS_DELIMITER=>'',
   );
   $bool = true;
   while ($bool){
      $result = $ossClient->listObjects($bucket,$option);
      $objects = array();
      if(count($result->getObjectList()) > 0){
         foreach ($result->getObjectList() as $key => $info){
            printf("key name:".$info->getKey().PHP_EOL);
            $objects[] = $info->getKey();
         }
         // Delete the folder and all files in it.
         $delObjects = $ossClient->deleteObjects($bucket, $objects);
         foreach ($delObjects as $info){
            $obj = strval($info);
            printf("Delete ".$obj." : Success" . PHP_EOL);
         }
      }

      if($result->getIsTruncated() === 'true'){
         $option[OssClient::OSS_MARKER] = $result->getNextMarker();
      }else{
         $bool = false;
      }
   }
   printf("Delete Objects : OK" . PHP_EOL);
} catch (OssException $e) {
   printf("Delete Objects : Failed" . PHP_EOL);
   printf($e->getMessage() . PHP_EOL);
   return;
}