array(1) {
  [0]=>
  string(12) "area_shibuya"
}

array(0) {
}

array(0) {
}

string(4) "area"

string(0) ""

string(75) "==========================================================================="

array(3) {
  ["posts_per_page"]=>
  int(-1)
  ["fields"]=>
  string(3) "ids"
  ["post_type"]=>
  array(1) {
    [0]=>
    string(12) "area_shibuya"
  }
}