array(2) {
  [0]=>
  string(11) "category_id"
  [1]=>
  string(9) "394814342"
}
array(1) {
  [0]=>
  string(21) "category_id=394814342"
}
array(1) {
  [0]=>
  string(21) "category_id=394814342"
}