[Solved] Find the bug in this PHP code snippet that tries to count visits per request:<?php session_start(); if (!isset($_SESSION['count'])) { $count = 0; } $count++; echo $count; ?> | PHP

PHP - Request Lifecycle

Find the bug in this PHP code snippet that tries to count visits per request:

<?php
session_start();
if (!isset($_SESSION['count'])) {
  $count = 0;
}
$count++;
echo $count;
?>

A$count is not saved back to $_SESSION, so count resets each request

Bsession_start() is missing

CIncrement operator ++ cannot be used on integers

DEcho statement is outside PHP tags

Step-by-Step Solution

Solution:

Step 1: Analyze session usage
$count is initialized but never saved back to $_SESSION, so it resets every request.
Step 2: Identify missing assignment
To persist count, must assign $count back to $_SESSION['count'] after increment.
Final Answer:
$count is not saved back to $_SESSION, so count resets each request -> Option A
Quick Check:
Session variables must be updated explicitly [OK]

Quick Trick: Save updated values back to $_SESSION to persist [OK]

Common Mistakes:

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