array(2) {
  [0]=>
  string(11) "category_id"
  [1]=>
  string(2) "34"
}
array(2) {
  [0]=>
  string(11) "category_id"
  [1]=>
  string(2) "86"
}
array(2) {
  [0]=>
  string(11) "category_id"
  [1]=>
  string(2) "97"
}