Why state management is needed in PHP - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start a session in PHP.

PHP

<?php
[1]();
?>

Drag options to blanks, or click blank then click option'

Ainit_session

Bstart_session

Cbegin_session

Dsession_start

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect function names like start_session() or init_session() which do not exist.

In PHP, session_start() is used to begin a session and manage state.

2fill in blank

medium

Complete the code to store a user's name in the session.

PHP

<?php
session_start();
$_SESSION['username'] = [1];
?>

Drag options to blanks, or click blank then click option'

AJohn

B"John"

C'username'

Dusername

Attempts:

3 left

💡 Hint

Common Mistakes

Not using quotes around the string value, causing syntax errors.

To store a string value in the session, it must be quoted. So "John" is correct.

3fill in blank

hard

Fix the error in the code to correctly check if a session variable exists.

PHP

<?php
session_start();
if (isset([1]['username'])) {
    echo "User is logged in.";
}
?>

Drag options to blanks, or click blank then click option'

A$_SESSION

B$_session

CSESSION

D$SESSION

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase or missing the underscore in the session superglobal variable.

The correct superglobal array for session variables is $_SESSION with uppercase letters.

4fill in blank

hard

Fill both blanks to correctly remove a session variable and destroy the session.

PHP

<?php
session_start();
unset([1]['username']);
session_[2]();
?>

Drag options to blanks, or click blank then click option'

A$_SESSION

Bdestroy

C$SESSION

Dclose

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong variable names or wrong function names like session_close().

Use unset($_SESSION['username']) to remove a session variable and session_destroy() to end the session.

5fill in blank

hard

Fill all three blanks to create a session-based counter that increases on each page load.

PHP

<?php
session_start();
if (!isset([1]['count'])) {
    [1]['count'] = 1;
} else {
    [1]['count'] [2] [3] 1;
}
echo "Page views: " . [1]['count'];
?>

Drag options to blanks, or click blank then click option'

A$_SESSION

B+=

C+

D$SESSION

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong variable names or operators like =+ which is incorrect.

Use $_SESSION to store the count. Increment it with += and add 1.