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update_nested_fields.php
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update_nested_fields.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.
*/
/**
* For instructions on how to run the full sample:
*
* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/firestore/README.md
*/
namespace Google\Cloud\Samples\Firestore;
use Google\Cloud\Firestore\FirestoreClient;
/**
* Update fields in nested data.
* ```
* update_nested_fields('your-project-id');
* ```
*/
function update_nested_fields($projectId)
{
// Create the Cloud Firestore client
$db = new FirestoreClient([
'projectId' => $projectId,
]);
# [START fs_update_nested_fields]
// Create an initial document to update
$frankRef = $db->collection('users')->document('frank');
$frankRef->set([
'name' => 'Frank',
'favorites' => ['food' => 'Pizza', 'color' => 'Blue', 'subject' => 'Recess'],
'age' => 12
]);
// Update age and favorite color
$frankRef->update([
['path' => 'age', 'value' => 13],
['path' => 'favorites.color', 'value' => 'Red']
]);
# [END fs_update_nested_fields]
printf('Updated the age and favorite color fields of the frank document in the users collection.' . PHP_EOL);
}