Answer Posted / vivek srivastava

Sessions: are basically tokens which are generated when a
user proceeds with a login mechanism. Each time when a user
logged into a website a new and unique token is generated
and it will destroyed whenever he/she logged out from that
site or power goes off. However, session information is
temporary and will be deleted after the user has left the
website.

Cookies:are temporary files which are store in users hard
disk. A cookie is often used to identify a user. Suppose a
user enters into a website and without logging off he/she
closed the page, next time when he/she open the page he/she
found himself/ herself logged in. This is because of
cookies, they store the user information. We can set the
cookies by <b>setCookie()</b> function. The syntax if
setCookie function is <b>setCookie(name, value, expire,
path, domain);</b>.

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