[Solved] Why is it important to delete the session cookie when destroying a session in PHP? — Ans: To prevent the browser from sending an old session ID to the server | PHP

PHP - Sessions and Cookies

Why is it important to delete the session cookie when destroying a session in PHP?

ABecause session_destroy() automatically deletes the cookie

BTo prevent the browser from sending an old session ID to the server

CTo reset all session variables to default values

DTo start a new session with the same ID

Step-by-Step Solution

Solution:

Step 1: Understand role of session cookie
The session cookie stores the session ID on the user's browser and is sent with each request.
Step 2: Importance of deleting cookie
If the cookie is not deleted, the browser keeps sending the old session ID, which may allow session reuse.
Final Answer:
To prevent the browser from sending an old session ID to the server -> Option B
Quick Check:
Delete cookie to stop old session ID reuse [OK]

Quick Trick: Delete session cookie to stop old ID reuse [OK]

Common Mistakes:

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