array(6) {
  ["reg_prices"]=>
  array(2) {
    [0]=>
    string(5) "11.55"
    [1]=>
    string(4) "10.8"
  }
  ["sale_prices"]=>
  array(0) {
  }
  ["reg_price_min"]=>
  string(10) "$10.80"
  ["reg_price_max"]=>
  string(10) "$11.55"
  ["sale_price_min"]=>
  int(0)
  ["sale_price_max"]=>
  int(0)
}

array(6) {
  ["reg_prices"]=>
  array(4) {
    [0]=>
    string(3) "8.9"
    [1]=>
    string(4) "7.42"
    [2]=>
    string(4) "6.68"
    [3]=>
    string(4) "5.81"
  }
  ["sale_prices"]=>
  array(0) {
  }
  ["reg_price_min"]=>
  string(9) "$5.81"
  ["reg_price_max"]=>
  string(9) "$8.90"
  ["sale_price_min"]=>
  int(0)
  ["sale_price_max"]=>
  int(0)
}