Session cookie and www

Question

I would like to have my session work in my website when using www. AND when not using it. I\'ve read this thread: PHP cookie problem - www or without www

And this would

Answer 1

You can reflect php.ini for this. Add this in php.ini so that your session cookie will be saved at the place to be accessible with or without www

session.cookie_domain = .example.com 

You can also try an alternate to do this

ini_set("session.cookie_domain", ".example.com"); 

And you can get the host name using $_SERVER['HTTP_HOST'] variable.