How can session variables be effectively used to verify user data when writing news articles in PHP?

When writing news articles in PHP, session variables can be effectively used to verify user data by storing relevant information such as user ID or permissions. This can help ensure that only authorized users are able to create, edit, or delete articles on the website. 

<?php
session_start();

// Verify user data before allowing article editing
if(isset($_SESSION['user_id']) && $_SESSION['user_role'] == 'editor'){
    // Allow editing of news articles
    echo "You have permission to edit news articles.";
} else {
    // Redirect to login page or display error message
    echo "You do not have permission to edit news articles.";
}
?>

Keywords

session variables user data verification news articles PHP authentication

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