Cloud Spanner Client - Class Backup (1.77.0)

use Google\Cloud\Spanner\SpannerClient;

$spanner = new SpannerClient();

$backup = $spanner->instance('my-instance')->backup('my-backup');

$operation = $backup->create('my-database', new \DateTime('+7 hours'));

$sourceInstance = $spanner->instance('source-instance-id');
$destInstance = $spanner->instance('destination-instance-id');
$sourceBackup = $sourceInstance->backup('source-backup-id');
$destBackup = $destInstance->backup('new-backup-id');

$operation = $sourceBackup->createCopy($destBackup, new \DateTime('+7 hours'));

$backup->delete();

if ($backup->exists()) {
    echo 'Backup exists!';
}

$info = $backup->info();

$name = $backup->name();

$info = $backup->reload();

use Google\Cloud\Spanner\Backup;

if ($backup->state() === Backup::STATE_READY) {
    echo 'Backup is ready!';
}

$info = $backup->updateExpireTime(new \DateTime("+ 7 hours"));

Example:
```php
$operation = $backup->resumeOperation($operationName);
```

@param string $operationName The long running operation name.
@param array $info [optional] The operation data.
@return LongRunningOperation

Example:
```php
$operations = $backup->longRunningOperations();
```

@param array $options [optional] {
    Configuration Options.

    @type string $name The name of the operation collection.
    @type string $filter The standard list filter.
    @type int $pageSize Maximum number of results to return per
          request.
    @type int $resultLimit Limit the number of results returned in total.
          **Defaults to** `0` (return all results).
    @type string $pageToken A previously-returned page token used to
          resume the loading of results from a specific point.
}
@return ItemIterator<LongRunningOperation>