[Solved] What will be the output of this PHP code?<?php session_start(); $_SESSION['role'] = 'admin'; echo $_SESSION['role']; ?> | PHP

PHP - Sessions and Cookies

What will be the output of this PHP code?

<?php
session_start();
$_SESSION['role'] = 'admin';
echo $_SESSION['role'];
?>

Asession_start error

Brole

CUndefined index error

Dadmin

Step-by-Step Solution

Solution:

Step 1: Start the session
The call to session_start() initializes the session or resumes the current one.
Step 2: Assign session variable
$_SESSION['role'] = 'admin'; sets the session variable 'role' to 'admin'.
Step 3: Output the session variable
echo $_SESSION['role']; prints the value stored in the session variable, which is 'admin'.
Final Answer:
admin -> Option D
Quick Check:
Session variable correctly set and echoed [OK]

Quick Trick: Always call session_start() before accessing $_SESSION [OK]

Common Mistakes:

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