Mine

array(12) {
  ["name"]=>
  string(0) ""
  ["cattag_1_1_0"]=>
  string(1) "1"
  ["subcat_1_1_0"]=>
  string(1) "1"
  ["cattag_1_1_1"]=>
  string(2) "22"
  ["subcat_1_1_1"]=>
  string(2) "20"
  ["cattag_1_1_2"]=>
  string(2) "19"
  ["subcat_1_2_1"]=>
  string(2) "16"
  ["cattag_2_1_0"]=>
  string(1) "1"
  ["subcat_2_1_0"]=>
  string(1) "1"
  ["cattag_3_1_0"]=>
  string(1) "1"
  ["subcat_3_1_0"]=>
  string(1) "1"
  ["Submit"]=>
  string(6) "Submit"
}