PHP学习笔记：搜索引擎与全文检索

<?php
require_once('ZendSearch/Lucene.php');

// 创建一个索引
$index = ZendSearchLuceneLucene::create('path/to/index');

// 添加文档到索引
$doc = new ZendSearchLuceneDocument();
$doc->addField(ZendSearchLuceneDocumentField::Text('title', $title));
$doc->addField(ZendSearchLuceneDocumentField::UnStored('content', $content));
$index->aDDDocument($doc);

// 进行搜索
$query = new ZendSearchLuceneSearchQueryTerm('keyWord');
$hits = $index->find($query);

// 遍历搜索结果
foreach ($hits as $hit) {
    echo $hit->title . ": " . $hit->score . "
";
}
?>

<?php
$client = new ElasticsearchClient();

// 创建一个索引
$params = [
    'index' => 'my_index',
    'body' => [
        'settings' => [
            'number_of_shards' => 1,
            'number_of_replicas' => 0
        ]
    ]
];
$response = $client->indices()->create($params);

// 添加文档到索引
$params = [
    'index' => 'my_index',
    'type' => 'my_type',
    'id' => 'my_id',
    'body' => [
        'title' => 'My Document',
        'content' => 'This is my document.'
    ]
];
$response = $client->index($params);

// 进行搜索
$params = [
    'index' => 'my_index',
    'type' => 'my_type',
    'body' => [
        'query' => [
            'match' => [
                'content' => 'keyword'
            ]
        ]
    ]
];
$response = $client->search($params);

// 处理搜索结果
foreach ($response['hits']['hits'] as $hit) {
    echo $hit['_source']['title'] . ": " . $hit['_score'] . "
";
}
?>