PHP Cookies Explained | What is Cookie in PHP? Set, Get & Delete Cookie
In this lecture of Full Stack Web Development NAVTTC (Badge 2) 2026, you will learn about Cookies in PHP, which are used to store user data on the browser for future use.
Cookies are an important concept in web development, commonly used for remembering users, saving preferences, and maintaining user sessions.
🔹 Topics Covered
✅ What is a Cookie in PHP
Definition of cookies
How cookies work between browser and server
Difference between cookies and sessions
✅ Creating (Setting) Cookies
Using setcookie() function
Syntax and parameters
Setting expiration time
✅ Retrieving Cookies
Accessing cookies using $_COOKIE superglobal
Checking if a cookie exists
✅ Deleting Cookies
How to remove cookies
Setting expiration time in the past
✅ Practical Examples
Remember user name
Save user preferences
Real-world cookie usage
🎯 What You Will Learn
By the end of this lecture, you will be able to:
✔ Understand how cookies work in PHP
✔ Create and store cookies in the browser
✔ Retrieve cookie data using $_COOKIE
✔ Delete cookies properly
✔ Apply cookies in real-world web applications
Cookies are widely used in authentication systems, user tracking, and personalization features.
Follow the complete NAVTTC Full Stack Web Development playlist to master HTML, CSS, Bootstrap, JavaScript, jQuery, PHP, and Laravel step by step.
#PHPCookies
#LearnPHP
#PHPTutorial
#CookiesInPHP
#WebDevelopment
#BackendDevelopment
#FullStackDevelopment
#NAVTTC
#NAVTTC2026
#CodingForBeginners
#LogicalStack