(PHP Extension) Backblaze S3 List Bucket Objects

See more Backblaze S3 Examples

Demonstrates how to list the objects in a bucket.

The Chilkat S3 functions in the HTTP class are compatible with the Backblaze service. However, because of some specific issues, Chilkat v9.5.0.89 or later is needed.

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<?php

include("chilkat_9_5_0.php");

// This example assumes the Chilkat HTTP API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$http = new CkHttp();

// keyID = Access Key ID or Access Key
$http->put_AwsAccessKey('access-key');

// applicationKey = Secret Access Key or Secret Key
$http->put_AwsSecretKey('secret-key');

// Region is the 2nd part of your S3 Endpoint
$http->put_AwsEndpoint('s3.us-west-002.backblazeb2.com');

$bucketName = 'chilkat-test';

$strXml = $http->s3_ListBucketObjects($bucketName);
if ($http->get_LastMethodSuccess() != true) {
    print $http->lastErrorText() . "\n";
    exit;
}

print 'Response status code = ' . $http->get_LastStatus() . "\n";

$xml = new CkXml();
$success = $xml->LoadXml($strXml);
if ($success != true) {
    print $xml->lastErrorText() . "\n";
    exit;
}

// If the response status code was not 200, then the XML response is not a 
// listing of objects, but instead contains error information.
if ($http->get_LastStatus() != 200) {
    print $xml->getXml() . "\n";
    print 'Failed.' . "\n";
    exit;
}

// A sample response is shown below.
print $xml->getXml() . "\n";
print '----' . "\n";

// Use this online tool to generate parsing code from sample XML: 
// Generate Parsing Code from XML

// <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
// <ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
//     <Contents>
//         <ETag>"303fb46cf341094fef6274b7789cd6aa"</ETag>
//         <Key>orchard.json</Key>
//         <LastModified>2021-10-30T14:45:52.000Z</LastModified>
//         <Owner>
//             <ID>f2ebbc5f792c</ID>
//             <DisplayName/>
//         </Owner>
//         <Size>22</Size>
//         <StorageClass>STANDARD</StorageClass>
//     </Contents>
//     <Contents>
//         <ETag>"a8551f0a5437f43a796fca7623ee9232"</ETag>
//         <Key>seahorse.jpg</Key>
//         <LastModified>2021-10-30T14:38:53.000Z</LastModified>
//         <Owner>
//             <ID>f2ebbc5f792c</ID>
//             <DisplayName/>
//         </Owner>
//         <Size>24388</Size>
//         <StorageClass>STANDARD</StorageClass>
//     </Contents>
//     <IsTruncated>false</IsTruncated>
//     <MaxKeys>1000</MaxKeys>
//     <Name>chilkat-test</Name>
//     <Prefix/>
//     <Marker/>
// </ListBucketResult>

$ListBucketResult_xmlns = $xml->getAttrValue('xmlns');
$i = 0;
$count_i = $xml->NumChildrenHavingTag('Contents');
while ($i < $count_i) {
    $xml->put_I($i);
    $ETag = $xml->getChildContent('Contents[i]|ETag');
    $Key = $xml->getChildContent('Contents[i]|Key');
    $LastModified = $xml->getChildContent('Contents[i]|LastModified');
    $ID = $xml->getChildContent('Contents[i]|Owner|ID');
    $SizeDecimalStr = $xml->getChildContent('Contents[i]|Size');
    $StorageClass = $xml->getChildContent('Contents[i]|StorageClass');
    $i = $i + 1;
}

$IsTruncated = $xml->getChildContent('IsTruncated');
$MaxKeys = $xml->GetChildIntValue('MaxKeys');
$Name = $xml->getChildContent('Name');

?>