bool(false)
NULL
string(13) "likecs_art_db"
array(1) {
  ["query"]=>
  array(1) {
    ["match_all"]=>
    object(stdClass)#23 (0) {
    }
  }
}
array(1) {
  ["createtime.keyword"]=>
  array(1) {
    ["order"]=>
    string(4) "desc"
  }
}
int(20)
int(0)
int(8640000)
string(14) "127.0.0.1:9200"