PHP Elasticsearch刪除數據 deleteByQuery(delete_by_query )

        $EndTime = '2018-10-01 00:00:00';
        $EndTime = strtotime($EndTime);
        $client = ClientBuilder::create()->setHosts(['xxx.xxx.xxx.xxx'])->allowBadJSONSerialization()->build();
        $params = [
            'index' => 'search',
            'type'  => 'search',
//            'from'  => 0,
//            'size'  => 100,
            'body' => [
                'query' => [
                    'bool' => [
                        'must' => [
                            [ 'range' => ['addtime'=>array('lt'=>$EndTime)]]
                        ]
                    ]
                ],
                'sort'=>['addtime'=>'desc'],
                //'sort'=>['mongo_id'=>'desc'],
            ],
        ];

//        $response = $client->search($params);
//        dump($response);
        $client->deleteByQuery($params);