You want to count how many times a user visits a page using sessions. Which code correctly increments the visit count each time the page loads?

hard📝 Application Q15 of 15

PHP - Sessions and Cookies

<?php
// Fill in the missing part

if (isset($_SESSION['visits'])) {
    $_SESSION['visits']++;
} else {
    $_SESSION['visits'] = 1;
}
echo "Visit number: " . $_SESSION['visits'];
?>

Asession_start();

Bsession_destroy();

Csession_unset();

Dsession_write_close();

Step-by-Step Solution

Solution:

Step 1: Recognize session must be started
To use $_SESSION variables, the session must be started with session_start(); at the top.
Step 2: Understand the code logic
The code checks if 'visits' exists in the session, increments it if yes, or sets it to 1 if no, then prints the count.
Final Answer:
session_start(); -> Option A
Quick Check:
Start session before using $_SESSION to track visits [OK]

Quick Trick: Always call session_start() before session variables [OK]

Common Mistakes:

Forgetting session_start() causes no session data
Using session_destroy() resets visits
Confusing session_unset() with starting session

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You want to count how many times a user visits a page using sessions. Which code correctly increments the visit count each time the page loads?

Step 1: Recognize session must be started

Step 2: Understand the code logic

Final Answer:

Quick Check:

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