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> There is something i'm not sure about. As i understand, You only need to > set a cookie, you dont need to get it. All you need to do is check if it > exists. Just like you don't need to get variables that come via a form submit, for example. > What i want to know is does php actually read all of the cookies on the > client side and assigns them as global vars? how does it know to call > "MyCookie"? PHP doesn't go and get anything. The web browser sends the cookie when appropriate. Each cookie has a host associated with it. It can optionally also have a path, and if it isn't a session cookie it will have an expire time. If these various things check out, then the web browser sends the cookie as part of the request header in a header called, "Cookie" (strangely enough). PHP takes this header and parses it and pulls out the various cookie names and turns them into variables. So, if you did a SetCookie("MyCookie","Boaz Yahav"); then PHP will automatically create a variable called $MyCookie with a value of "Boaz Yahav" whenever the web browser decides it should send this cookie as part of its request. > What if i dont put a directory and dont put a domain in the setcookie? Well, you can't not put a domain. There is no option to put the domain there. The browser will automatically associate the cookie with the domain it is set from. If you don't put a path the cookie will be sent to all pages on that domain. | |||||
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