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 php72-scripts

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get_device_state.php

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<?php

/**

* Copyright 2018 Google Inc.

*

* 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.

*/

namespace Google\Cloud\Samples\Iot;

# [START iot_get_device_state]

use Google\Cloud\Iot\V1\DeviceManagerClient;

/**

* Retrieve a device's state blobs.

*

* @param string $registryId IOT Device Registry ID

* @param string $deviceId IOT Device ID

* @param string $projectId Google Cloud project ID

* @param string $location (Optional) Google Cloud region

*/

function get_device_state(

$registryId,

$deviceId,

$projectId,

$location = 'us-central1'

) {

print('Getting device state' . PHP_EOL);

// Instantiate a client.

$deviceManager = new DeviceManagerClient();

$deviceName = $deviceManager->deviceName($projectId, $location, $registryId, $deviceId);

$response = $deviceManager->listDeviceStates($deviceName);

foreach ($response->getDeviceStates() as $state) {

print('State:' . PHP_EOL);

printf(' Data: %s' . PHP_EOL, $state->getBinaryData());

printf(' Update Time: %s' . PHP_EOL,

$state->getUpdateTime()->toDateTime()->format('Y-m-d H:i:s'));

}

}

# [END iot_get_device_state]