使用PHP操作ElasticSearch搜索引擎详解

wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
sudo sh -c 'echo "deb https://artifacts.elastic.co/packages/7.x/apt stable main" > /etc/apt/sources.list.d/elastic-7.x.list'

sudo apt-get update && sudo apt-get install elasticsearch

sudo service elasticsearch start

composer require elasticsearch/elasticsearch

<?php

require 'vendor/autoload.php';

use Elasticsearch\ClientBuilder;

$client = ClientBuilder::create()->setHosts(['localhost:9200'])->build();

$params = [
    'index' => 'my_index',
    'body'  => [
        'settings' => [
            'number_of_shards' => 1,
            'number_of_replicas' => 0
        ]
    ]
];

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

$params = [
    'index' => 'my_index',
    'id'    => '1',
    'body'  => ['title' => 'Hello World', 'content' => 'This is a test document']
];

$response = $client->index($params);

$params = [
    'index' => 'my_index',
    'body'  => [
        'query' => [
            'match' => ['title' => 'Hello']
        ]
    ]
];

$response = $client->search($params);

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

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

$params = [
    'index' => 'my_index',
    'body' => [
        'aggs' => [
            'group_by_title' => [
                'terms' => [
                    'field' => 'title.keyword'
                ]
            ]
        ]
    ]
];

$response = $client->search($params);