What are common challenges when creating a wiki similar to Wikipedia using PHP?

One common challenge when creating a wiki similar to Wikipedia using PHP is implementing user authentication and permission management to control who can edit or create content on the site. This can be solved by using a user authentication system with different user roles and permissions. 

// Code snippet for user authentication and permission management

// Check if user is logged in
if(!isset($_SESSION['user_id'])) {
    // Redirect to login page
    header('Location: login.php');
    exit();
}

// Check user role and permissions
if($_SESSION['role'] != 'admin') {
    // Redirect to homepage with error message
    header('Location: index.php?error=You do not have permission to access this page');
    exit();
}

Keywords

MediaWiki PHP frameworks user authentication database management content moderation

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