Simple s3 list buckets script using phpsdk v2

list_buckets.php

<?php

require 'vendor/autoload.php';

use Aws\Common\Aws;
use Aws\S3\Exception\S3Exception;

$aws = Aws::factory('/path/config.php');

$s3v2 = $aws->get('s3');

echo "ListBuckets with SDK Version 2:\n";
echo "------------------------\n";
try {
    $result = $s3v2->listBuckets();
    foreach ($result['Buckets'] as $bucket) {
        echo "- {$bucket['Name']}\n";
        listImagesByBucket($s3v2, $bucket['Name']);
    }
} catch (Aws\S3\Exception\S3Exception $e) {
    echo "Request failed.\n";
}
echo "\n";

function listImagesByBucket($s3ref, $bucketName) {
  try {
		$result = $s3ref->listObjects(array(
			'Bucket'    => $bucketName,
		));
	
		// Loop through and display the part numbers
		foreach ($result['Contents'] as $image) {
			echo "{$image['Key']}\n";
		}
	} catch (S3Exception $e) {
		echo "Error during S3 ListObjects operation.\n";
	}
}
?>