'/sauna/filter/0/0/7/0/11/'
'0/0/7/0/11/'
array ( 0 => '0', 1 => '0', 2 => '7', 3 => '0', 4 => '11', )
array ( 0 => 7, 1 => 11, )
array ( 'city_id' => 1, )