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Most people do not understand the knowledge of this article "what PHP Cookie is and how to create it", so the editor summarizes the following content, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "what is PHP Cookie and how to create" article.

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:

.

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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