What are the potential pitfalls of not using sessions in PHP for maintaining user selections?

Not using sessions in PHP for maintaining user selections can lead to data loss and security vulnerabilities, as user selections will not persist across pages and can easily be tampered with. To solve this issue, sessions should be used to store user selections securely on the server side. 

session_start();

// Store user selection in session
$_SESSION['user_selection'] = $_POST['selection'];

// Retrieve user selection from session
$user_selection = $_SESSION['user_selection'];

// Use user selection in application logic
echo "User selection: " . $user_selection;

Keywords

sessions PHP user selections data persistence security

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