[Solved] What is wrong with this PHP code for state management?<?php $_SESSION['count'] = 1; echo $_SESSION['count']; ?> | PHP

PHP - Sessions and Cookies

What is wrong with this PHP code for state management?

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

ASession variables cannot store numbers

BUsing echo instead of print

CMissing session_start() before using $_SESSION

DVariable name 'count' is invalid

Step-by-Step Solution

Solution:

Step 1: Check session usage rules
PHP requires session_start() before accessing $_SESSION variables.
Step 2: Identify missing session_start()
The code sets and echoes $_SESSION['count'] without session_start(), causing errors.
Final Answer:
Missing session_start() before using $_SESSION -> Option C
Quick Check:
session_start() needed before $_SESSION [OK]

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

Common Mistakes:

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What is wrong with this PHP code for state management?