Cookies In Php Pdf

HTTP Cookies: Keeping Track of Your Web Activity

What are HTTP Cookies?

HTTP cookies are small files that are stored on your computer by websites that you visit. They contain information about your browsing session, such as your login details, language preferences, and shopping cart items.

How are Cookies Used?

Cookies are used for a variety of purposes, including:

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Authentication: Cookies can store your login information so that you don't have to enter it every time you visit a website.

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Personalization: Cookies can store your language preferences and other customization settings so that websites appear the way you want them to.

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Tracking: Cookies can track your activity across websites, which can be used for marketing and advertising purposes.

Retrieving Cookie Values in PHP

The PHP $_COOKIE variable is used to retrieve the value of a cookie. For example:

Conclusion

In this chapter, we learned how to use sessions and cookies in the PHP language to keep track of your activity on websites.