What will be the output of this PHP code if a cookie named user is set to "Alice" and no GET or POST data is sent?

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PHP - Superglobals and Web Context

What will be the output of this PHP code if a cookie named user is set to "Alice" and no GET or POST data is sent?

echo $_REQUEST['user'];

AAlice

BUndefined index error

CEmpty string

DNULL

Step-by-Step Solution

Solution:

Step 1: Check sources in $_REQUEST
Since no GET or POST data is sent, but a cookie named user exists, $_REQUEST will include it.
Step 2: Output the cookie value
Accessing $_REQUEST['user'] will output the cookie value "Alice".
Final Answer:
Alice -> Option A
Quick Check:
Cookies appear in $_REQUEST if no POST/GET override [OK]

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