array(7) {
  ["post_type"]=>
  array(2) {
    [0]=>
    string(19) "swimming_timetables"
    [1]=>
    string(9) "timetable"
  }
  ["post_status"]=>
  string(7) "publish"
  ["posts_per_page"]=>
  int(-1)
  ["fields"]=>
  string(3) "ids"
  ["orderby"]=>
  array(2) {
    ["menu_order"]=>
    string(4) "DESC"
    ["date"]=>
    string(4) "DESC"
  }
  ["tax_query"]=>
  array(3) {
    ["relation"]=>
    string(3) "AND"
    [0]=>
    array(3) {
      ["relation"]=>
      string(2) "OR"
      [0]=>
      array(3) {
        ["taxonomy"]=>
        string(17) "activity_taxonomy"
        ["field"]=>
        string(2) "id"
        ["terms"]=>
        array(2) {
          [0]=>
          int(780)
          [1]=>
          int(807)
        }
      }
      [1]=>
      array(3) {
        ["taxonomy"]=>
        string(12) "sub_activity"
        ["field"]=>
        string(2) "id"
        ["terms"]=>
        array(2) {
          [0]=>
          int(780)
          [1]=>
          int(807)
        }
      }
    }
    [1]=>
    array(3) {
      ["taxonomy"]=>
      string(12) "sub_activity"
      ["field"]=>
      string(2) "id"
      ["terms"]=>
      array(2) {
        [0]=>
        int(781)
        [1]=>
        int(783)
      }
    }
  }
  ["meta_query"]=>
  array(2) {
    ["relation"]=>
    string(3) "AND"
    [0]=>
    array(3) {
      ["key"]=>
      string(9) "published"
      ["value"]=>
      int(1)
      ["compare"]=>
      string(2) "=="
    }
  }
}