'/sauna/filter/0/0/5/0/16/'
'0/0/5/0/16/'
array ( 0 => '0', 1 => '0', 2 => '5', 3 => '0', 4 => '16', )
array ( 0 => 5, 1 => 16, )
array ( 'city_id' => 1, )