How can PHP developers ensure the integrity of user sessions and prevent unauthorized access?

To ensure the integrity of user sessions and prevent unauthorized access, PHP developers can implement session management best practices such as using secure cookies, regenerating session IDs, and validating session data on each request. 

// Start a secure session
session_start([
    'cookie_httponly' => true,
    'cookie_secure' => true,
    'use_strict_mode' => true
]);

// Regenerate session ID to prevent session fixation attacks
session_regenerate_id(true);

// Validate session data on each request
if (!isset($_SESSION['user_id'])) {
    // Redirect to login page or perform other actions
}

Keywords

Session management PHP security CSRF protection authentication authorization

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