|Sessions are server-side files that contain user data.
||Cookies are client-side files on a local computer that hold user information.
|When the user quits the browser or logs out of the programmed, the session is over.
||Cookies end on the lifetime set by the user.
|To begin the session, we must use the session start() method.
|It can hold an indefinite quantity of data.
||It can only store a certain amount of info.
|We can keep as much data as we like within a session, however there is a maximum memory restriction of 128 MB that a script may consume at one time.
||The browser’s cookies have a maximum capacity of 4 KB.