codeigniter - Not getting cookie value in codigniter -

here code set cookie

 $cookie = array(          'name'   => 'city',          'value'  => $city,          'expire' => 86400 * 30,          'domain' => '.localhost',          'path'   => '/',          'prefix' => 'picker_',          );     $this->input->set_cookie($cookie) 

and loading cookie helper in constructor of controller.

my cookie set form 1 month , check in browser cookie set name 'city' , value = '10'. problem when retrieve value blank page nothing printing

here code of fetching value

echo $this->input->cookie('picker_city'); 

i try var_dump

var_dump($this->input->cookie('city', false)); 

it return false

what error.

you have load helper cookie first before using set_cookie

$this->load->helper('cookie'); 

and use set_cookie

if using cookies , better load in autoload.php in config folder.

in autoload array

$autoload['helper'] = array('cookie'); 

did load it?

note:

for local testing, leave domain value blank.

'domain' => '',