[Solved] Identify the error in this PHP code snippet:<?php $_SESSION['count'] = 1; echo $_SESSION['count']; ?> | PHP

PHP - Sessions and Cookies

Identify the error in this PHP code snippet:

<?php
$_SESSION['count'] = 1;
echo $_SESSION['count'];
?>

ACannot echo session variables

BIncorrect variable name $_SESSION

CSession variables must be integers only

DMissing session_start() before using $_SESSION

Step-by-Step Solution

Solution:

Step 1: Check session initialization
The code uses $_SESSION but never calls session_start() to begin the session.
Step 2: Understand session usage rules
Without calling session_start(), PHP does not know which session to use, causing errors or empty values.
Final Answer:
Missing session_start() before using $_SESSION -> Option D
Quick Check:
Always call session_start() before $_SESSION [OK]

Quick Trick: Always start session before accessing $_SESSION [OK]

Common Mistakes:

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