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I can't delete cookie in Codeigniter. - Printable Version

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I can't delete cookie in Codeigniter. - El Forum - 10-18-2011

[eluser]Unknown[/eluser]
I set cookie like this code.

Code:
setcookie('username','aaa');
setcookie('password','123');

I try to delete cookie like userguide but it can't delete cookie. I'm not sure why I can't delete cookie. please help me.

This is logout function in Controller.

Code:
function logout()
{
      delete_cookie('username');
      delete_cookie('password');

     redirect('login/form_login','refresh');
}

This is my form in View.

Code:
if(get_cookie('username')){
   echo "You are logged in ".get_cookie('username');
?>
     <a href="&lt;?php echo site_url() . '/login/logout'; ?&gt;">Logout</a>
&lt;?
}
else{
     echo "You are not log in.";
}
?&gt;

After I click at Logout. It not delete cookie.