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<?php

/**

* Copyright 2021 Google LLC.

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

/**

* For instructions on how to run the full sample:

*

* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigtable/README.md

*/

namespace Google\Cloud\Samples\Bigtable;

// [START bigtable_get_instance]

use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;

use Google\Cloud\Bigtable\Admin\V2\Instance\Type;

use Google\Cloud\Bigtable\Admin\V2\Instance\State;

use Google\ApiCore\ApiException;

/**

* Get a Bigtable instance

*

* @param string $projectId The Google Cloud project ID

* @param string $instanceId The ID of the Bigtable instance

*/

function get_instance(

string $projectId,

string $instanceId

): void {

$instanceAdminClient = new BigtableInstanceAdminClient();

$instanceName = $instanceAdminClient->instanceName($projectId, $instanceId);

printf('Fetching the Instance %s' . PHP_EOL, $instanceId);

try {

$instance = $instanceAdminClient->getInstance($instanceName);

} catch (ApiException $e) {

if ($e->getStatus() === 'NOT_FOUND') {

printf('Instance %s does not exists.' . PHP_EOL, $instanceId);

return;

}

throw $e;

}

printf('Printing Details:' . PHP_EOL);

// Fetch some commonly used metadata

printf('Name: ' . $instance->getName() . PHP_EOL);

printf('Display Name: ' . $instance->getDisplayName() . PHP_EOL);

printf('State: ' . State::name($instance->getState()) . PHP_EOL);

printf('Type: ' . Type::name($instance->getType()) . PHP_EOL);

printf('Labels: ' . PHP_EOL);

$labels = $instance->getLabels();

// Labels are an object of the MapField class which implement the IteratorAggregate, Countable

// and ArrayAccess interfaces so you can do the following:

printf("\tNum of Labels: " . $labels->count() . PHP_EOL);

printf("\tLabel with a key(dev-label): " . ($labels->offsetExists('dev-label') ? $labels['dev-label'] : 'N/A') . PHP_EOL);

// we can even loop over all the labels

foreach ($labels as $key => $val) {

printf("\t$key: $val" . PHP_EOL);

}

}

// [END bigtable_get_instance]

// The following 2 lines are only needed to run the samples

require_once __DIR__ . '/../../testing/sample_helpers.php';

\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);