// query-dsl/query-string-query.asciidoc:42

[source, php]
----
$params = [
    'body' => [
        'query' => [
            'query_string' => [
                'query' => '(new york city) OR (big apple)',
                'default_field' => 'content',
            ],
        ],
    ],
];
$response = $client->search($params);
----