elasticsearchHow can I use PHP to integrate with Elasticsearch?

You can use PHP to integrate with Elasticsearch by using the official Elasticsearch Client Library for PHP. This library allows you to communicate with an Elasticsearch cluster from your PHP application.

For example, the following code connects to an Elasticsearch cluster and returns a list of all indices:

<?php
require 'vendor/autoload.php';

$hosts = [
    '127.0.0.1:9200' // IP + Port
];

$client = Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build();

$params = [
    'index' => '_all'
];

$response = $client->cat()->indices($params);

echo $response;

The output of this code will be a list of all the indices in your cluster:

health status index uuid pri rep docs.count docs.deleted store.size pri.store.size
``

The library also allows you to perform other operations, such as creating, updating and deleting indices and documents, as well as searching and aggregating data. For more information, see the [documentation](https://www.elastic.co/guide/en/elasticsearch/client/php-api/current/index.html).

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