ElasticSearch Query String Search

query_string.php

$default = [
    "query_string" => [
        "default_operator" => "AND",
        "fields" => ["name","desc","tags","city"],
        "query" => $query
    ]
];

$filtered = [
    "bool" => [
        "must" => [
            ["query_string" => [
                "default_operator" => "AND",
                "fields" => ["name","desc","tags","city"],
                "query" => $query
            ]]
        ],
        "filter" => [
            ["terms" => ["region" => $regions]]
         ]
    ]
];

$params = [
    "index" => "listings",
    "body" => [
        "from" => ($page - 1) * $size,
        "size" => $size,
        "query" => $default
    ]
];

if( !empty($types) ){
    $params["type"] = implode(",", $types);
}

if( !empty($regions) ){
    $params["body"]["query"] = $filtered;
}

return $this->client->search($params);