PHP Cookies works well on localhost, but it's not working on live server

Question

Note: This issue is already solved, finally I found that it\'s not cookies problem, the problem is on unserialize() function. The serialized cookie which

Answer 1

Try this:

setcookie("settings", serialize($defaultSettings), time()+3600*24*30, '/'); // added path

Also, could it be that serialize($defaultSettings) result is too large?