'/sauna/filter/0/12/1/0/0/'
'0/12/1/0/0/'
array ( 0 => '0', 1 => '12', 2 => '1', 3 => '0', 4 => '0', )
array ( 0 => 12, 1 => 1, )
array ( 'city_id' => 1, 'district' => 1, )