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https://github.com/googleapis/google-cloud-php-bigtable


https://github.com/googleapis/google-cloud-php-bigtable

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# Google Cloud Bigtable for PHP



> Idiomatic PHP client for [Google Cloud Bigtable](https://cloud.google.com/bigtable/).



[![Latest Stable Version](https://poser.pugx.org/google/cloud-bigtable/v/stable)](https://packagist.org/packages/google/cloud-bigtable) [![Packagist](https://img.shields.io/packagist/dm/google/cloud-bigtable.svg)](https://packagist.org/packages/google/cloud-bigtable)



* [API Documentation](https://cloud.google.com/php/docs/reference/cloud-bigtable/latest)



**NOTE:** This repository is part of [Google Cloud PHP](https://github.com/googleapis/google-cloud-php). Any

support requests, bug reports, or development contributions should be directed to

that project.



A high performance NoSQL database service for large analytical and operational workloads.



### Installation



To begin, install the preferred dependency manager for PHP, [Composer](https://getcomposer.org/).



Now install this component:



```sh

$ composer require google/cloud-bigtable

```



This component supports both REST over HTTP/1.1 and gRPC. In order to take advantage of the benefits offered by gRPC (such as streaming methods)

please see our [gRPC installation guide](https://cloud.google.com/php/grpc).



### Notable Client Differences



The handwritten client offered by this package differs from the others in `google-cloud-php` in that it more directly wraps our generated clients.

This means some of the idioms and configuration options you are used to may differ slightly. The most notable differences are outlined below:



- A key file is now provided through the `credentials` configuration option as opposed to either `keyFile` or `keyFilePath`.

- There is now more granular control over retry logic. Please see [the `bigtable_client_config.json` file](https://github.com/googleapis/google-cloud-php/blob/main/Bigtable/src/V2/resources/bigtable_client_config.json)

  for an example of the configuration which can be passed into the client at construction time.

- Exceptions triggered at the network level utilize the base class `Google\ApiCore\ApiException` as opposed to `Google\Cloud\Core\ServiceException`.

- The `authHttpHandler` and `httpHandler` client configuration options are now provided through `$credentialsConfig['authHttpHandler']`

  and `$transportConfig['httpHandler']`, respectively. Additionally, please note the `httpHandler` should now return an implementation of [Guzzle's `PromiseInterface`](https://github.com/guzzle/promises/blob/master/src/PromiseInterface.php).



### Authentication



Please see our [Authentication guide](https://github.com/googleapis/google-cloud-php/blob/main/AUTHENTICATION.md) for more information

on authenticating your client. Once authenticated, you'll be ready to start making requests.



When going through the authentication guide, please take note that the handwritten client for this package will more closely follow the conventions

outlined for the generated clients.



### Sample



```php

require 'vendor/autoload.php';



use Google\Cloud\Bigtable\BigtableClient;



$bigtable = new BigtableClient();

$table = $bigtable->table('my-instance', 'my-table');

$rows = $table->readRows();



foreach ($rows as $row) {

    print_r($row) . PHP_EOL;

}

```



### Version



This component is considered GA (generally available). As such, it will not introduce backwards-incompatible changes in

any minor or patch releases. We will address issues and requests with the highest priority.



### Next Steps



Take a look at and understand the [official documentation](https://cloud.google.com/bigtable/docs).