What is different between session and cookie?

Question

Session data is stored in server and cookie store data in the visitors .What should be used session or cookie?

Answer 1

Sessions allow you to store away individual pieces of information just like with cookies, but the data gets stored on the server instead of the client. A session is used to store the information from the web pages. ... With PHP session you can't access it anywhere outside PHP script.

https://stackoverflow.com/questions/6253633/cookies-vs-sessions

Answer 2

Also a Session is destroyed when a user closes the browser.