How can PHP sessions be effectively utilized to manage user login status and access to message features?

To manage user login status and access to message features using PHP sessions, you can store the user's login status in a session variable upon successful login and check this variable on each page to determine access. Additionally, you can store relevant user information in session variables to personalize the user experience. 

// Start the session
session_start();

// Check if the user is logged in
if(isset($_SESSION['logged_in']) && $_SESSION['logged_in'] === true) {
    // User is logged in, allow access to message features
    echo "Welcome, " . $_SESSION['username'] . "! You have access to message features.";
} else {
    // User is not logged in, redirect to login page
    header("Location: login.php");
    exit();
}

Keywords

PHP sessions user login access control message features authentication

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