PHP Extension Google Cloud Storage: Copy File (Object) to another Bucket

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Copies a fie (also known as an object) to another Google Cloud Storage bucket. This example copies the file "starfish.jpg" from the "chilkat-test" bucket to the "chilkat-images" bucket. In Google Cloud Storage, moving a file to a new bucket is a 2-step operation: First copy the file, then delete the original.

Documentation: https://cloud.google.com/storage/docs/renaming-copying-moving-objects

CURL Command

curl -X POST https://www.googleapis.com/storage/v1/b/chilkat-bucket/o/starfish.jpg/rewriteTo/b/chilkat-images/o/starfish.jpg?project=MY_CLOUD_STORAGE_PROJECT \
    --header "Authorization: Bearer CLOUD_STORAGE_TOKEN"

PHP Extension Example

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

$rest = new CkRest();

//  URL: https://www.googleapis.com/storage/v1/b/chilkat-bucket/o/starfish.jpg/rewriteTo/b/chilkat-images/o/starfish.jpg?project=MY_CLOUD_STORAGE_PROJECT
$bTls = true;
$port = 443;
$bAutoReconnect = true;
$success = $rest->Connect('www.googleapis.com',$port,$bTls,$bAutoReconnect);
if ($success != true) {
    print 'ConnectFailReason: ' . $rest->get_ConnectFailReason() . "\n";
    print $rest->lastErrorText() . "\n";
    exit;
}

$rest->AddHeader('Authorization','Bearer CLOUD_STORAGE_TOKEN');

$sbResponseBody = new CkStringBuilder();
$success = $rest->FullRequestNoBodySb('POST','/storage/v1/b/chilkat-bucket/o/starfish.jpg/rewriteTo/b/chilkat-images/o/starfish.jpg?project=MY_CLOUD_STORAGE_PROJECT',$sbResponseBody);
if ($success != true) {
    print $rest->lastErrorText() . "\n";
    exit;
}

$respStatusCode = $rest->get_ResponseStatusCode();
if ($respStatusCode >= 400) {
    print 'Response Status Code = ' . $respStatusCode . "\n";
    print 'Response Header:' . "\n";
    print $rest->responseHeader() . "\n";
    print 'Response Body:' . "\n";
    print $sbResponseBody->getAsString() . "\n";
    exit;
}

$jsonResponse = new CkJsonObject();
$jsonResponse->LoadSb($sbResponseBody);

//  See the Online Tool for Generating JSON Parse Code

$kind = $jsonResponse->stringOf('kind');
$totalBytesRewritten = $jsonResponse->stringOf('totalBytesRewritten');
$objectSize = $jsonResponse->stringOf('objectSize');
$done = $jsonResponse->BoolOf('done');
$resourceKind = $jsonResponse->stringOf('resource.kind');
$resourceId = $jsonResponse->stringOf('resource.id');
$resourceSelfLink = $jsonResponse->stringOf('resource.selfLink');
$resourceName = $jsonResponse->stringOf('resource.name');
$resourceBucket = $jsonResponse->stringOf('resource.bucket');
$resourceGeneration = $jsonResponse->stringOf('resource.generation');
$resourceMetageneration = $jsonResponse->stringOf('resource.metageneration');
$resourceContentType = $jsonResponse->stringOf('resource.contentType');
$resourceTimeCreated = $jsonResponse->stringOf('resource.timeCreated');
$resourceUpdated = $jsonResponse->stringOf('resource.updated');
$resourceStorageClass = $jsonResponse->stringOf('resource.storageClass');
$resourceTimeStorageClassUpdated = $jsonResponse->stringOf('resource.timeStorageClassUpdated');
$resourceSize = $jsonResponse->stringOf('resource.size');
$resourceMd5Hash = $jsonResponse->stringOf('resource.md5Hash');
$resourceMediaLink = $jsonResponse->stringOf('resource.mediaLink');
$resourceCrc32c = $jsonResponse->stringOf('resource.crc32c');
$resourceEtag = $jsonResponse->stringOf('resource.etag');

?>

Sample JSON Response Body

{
  "kind": "storage#rewriteResponse",
  "totalBytesRewritten": "6229",
  "objectSize": "6229",
  "done": true,
  "resource": {
    "kind": "storage#object",
    "id": "chilkat-images/starfish.jpg/1540298057547474",
    "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-images/o/starfish.jpg",
    "name": "starfish.jpg",
    "bucket": "chilkat-images",
    "generation": "1540298057547474",
    "metageneration": "1",
    "contentType": "image/jpeg",
    "timeCreated": "2018-10-23T12:34:17.547Z",
    "updated": "2018-10-23T12:34:17.547Z",
    "storageClass": "MULTI_REGIONAL",
    "timeStorageClassUpdated": "2018-10-23T12:34:17.547Z",
    "size": "6229",
    "md5Hash": "LpxZ2/JmI2fcl9/dqF2gSA==",
    "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-images/o/starfish.jpg?generation=1540298057547474&alt=media",
    "crc32c": "9RjgwQ==",
    "etag": "CNL9xbTJnN4CEAE="
  }
}