What is PHP Cookie and how to create it

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Cookie is often used to identify users.

What is Cookie?

Cookie is often used to identify users. Cookie is a small file that the server leaves on the user's computer. Whenever the same computer requests a page through a browser, this computer will send a cookie. With PHP, you can create and retrieve the value of cookie.

How do I create a Cookie?

The setcookie () function is used to set the cookie.

Note: the setcookie () function must precede the tag.

Syntax setcookie (name, value, expire, path, domain); example 1

In the following example, we will create a cookie named "user" and assign it a value of "runoob". We also stipulate that this cookie expires in an hour:

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Note: when sending cookie, the value of cookie is automatically URL encoded and automatically decoded when retrieved. To prevent URL coding, use setrawcookie () instead. )

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