object(mysqli)#1 (18) {
  ["affected_rows"]=>
  int(0)
  ["client_info"]=>
  string(15) "10.3.35-MariaDB"
  ["client_version"]=>
  int(100335)
  ["connect_errno"]=>
  int(0)
  ["connect_error"]=>
  NULL
  ["errno"]=>
  int(0)
  ["error"]=>
  string(0) ""
  ["error_list"]=>
  array(0) {
  }
  ["field_count"]=>
  int(0)
  ["host_info"]=>
  string(25) "Localhost via UNIX socket"
  ["info"]=>
  NULL
  ["insert_id"]=>
  int(0)
  ["server_info"]=>
  string(23) "10.3.34-MariaDB-cll-lve"
  ["server_version"]=>
  int(100334)
  ["sqlstate"]=>
  string(5) "00000"
  ["protocol_version"]=>
  int(10)
  ["thread_id"]=>
  int(1547980)
  ["warning_count"]=>
  int(0)
}
test