For shopping cart, use a session or cookie?

1. Do shopping carts use cookies?
2. Should I use session or cookie?
3. How do you use cookies in a cart?
4. What is a session cookie used for?

Do shopping carts use cookies?

Cookies in ecommerce

Ecommerce sites use a combination of session cookies and persistent cookies to create a seamless shopping cart experience. As the user adds items to her cart, session cookies keep track of the items.

Should I use session or cookie?

Sessions are more secured compared to cookies, as they save data in encrypted form. Cookies are not secure, as data is stored in a text file, and if any unauthorized user gets access to our system, he can temper the data.

How do you use cookies in a cart?

Once user land your web page, you have a session value store this. Write the Session value / ID in Cookies too. Now your Key is Session, write Cookies as Array, it would be like this: SID, Cart_id, last_update,Item_added etc. So, from any page you can keep update user cart.

What is a session cookie used for?

The session cookie is a server-specific cookie that cannot be passed to any machine other than the one that generated the cookie. The session cookie allows the browser to re-identify itself to the single, unique server to which the client had previously authenticated.