What is Session?

A session is something that start the moment a user request a web page from your Web site & ends after the user levels.Each visitor to your Web site is given individual session.
Use of Session

• Session can be used to store a visitor's preferences.
• Session can also be used to create virtual shopping carts.Whenever a visitor selects an item to buy at your Web site,the item can be added to a shopping cart can be stored in a session.
• Session can be used to keep of the habits of your visitors.