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Semicolon ; , the Cookie: string or some other string? Inspecting cookies in an HTTP request The Cookie: header has the following syntax: Cookie: <Name> = <Value> { ; <Name> = <Value> } Hence individual cookies are separated with the semicolon. Setting cookies in an HTTP response On the other hand, when setting a cookie in the response, there one cookie per the Set-Cookie: header: Set-Cookie: <Name> = <Value> [ ; expires = <Date>] [ ; path = <Path> ] [ ; domain = <Domain> ] // etc… To set multiple cookies the Set-Cookie header is repeated in an HTTP response. Notes: Have a look here for a

If I call setcookie() two times with the same cookie name, I get two cookies created. How do you update an existing cookie? Francisc You can't update a cookie per se, you can however overwrite it. Otherwise, this is what you are looking for: http://php.net/manual/en/function.setcookie.php It works. Be sure to read "Common Pitfalls" from that page. You can use the super global $_COOKIE['cookie_name'] as well to read/write cookies. You can update a cookie value using setcookie() function, but you should add '/' in the 4th argument which is the 'path' argument, to prevent creating another cookie

I am just starting to learn to program in PHP and have ran into a slightly confusing area, Sessions and Cookies. I understand the server-side and client-side storage differences but i cant see how they differentiate and in what circumstances would each be appropriate for? Also, i have seen people say that the cookie could be used to store a session id, How would this be done and why would this be advantageous? Thanks for any feedback. First of all, let's bust the longstanding myth (or at least I think it's an existing myth) that a session cookie is something different than a regular cookie. It

I try to implement a basic cookie helper in my application. Mainly I check in base controller everytime whether or not if cookie is set. If cookie public class MyCookie { public static string CookieName {get;set;} public virtual User User { get; set; } public virtual Application App { get; set; } public MyCookie(Application app) { CookieName = "MyCookie" + app; App = app; } public void SetCookie(User user) { HttpCookie myCookie = HttpContext.Current.Request.Cookies[CookieName] ?? new HttpCookie(CookieName); myCookie.Values["UserId"] = user.UserId.ToString(); myCookie.Values["LastVisit"] =

UPDATE http://jsfiddle.net/musicisair/rsKtp/embedded/result/ Google Analytics sets 4 cookies that will be sent with all requests to that domain (and ofset its subdomains). From what I can tell no server actually uses them directly ; they're only sent with __utm.gif as a query param. Now, obviously Google Analytics reads, writes and acts on their values and they will need to be available to the GA tracking script. So, what I am wondering is if it is possible to: rewrite the __utm* cookies to local storage after ga.js has written them delete them after ga.js has run rewrite the cookies FROM

I just want to clear this up. I know that if I have set a cookie on a previous request, it will show up in my Request.Cookies collection. I want to update my existing Cookie. Are the cookies from my Request.Cookies collection already copied to my Response.Cookies collection? Do I need to add a new cookie with the same key using Response.Cookies.Add() , or do I need to use Response.Cookies.Set() ? There is a difference: Response.Cookies.Add() will allow duplicate cookies to be set http://msdn.microsoft.com/en-us/library/system.web.httpcookiecollection.add.aspx Response.Cookies.Set() will make