What best practices should be followed when handling session IDs in PHP scripts, especially in AJAX requests, as mentioned in the forum thread?

When handling session IDs in PHP scripts, especially in AJAX requests, it is important to ensure that the session ID is properly secured to prevent session hijacking. One best practice is to regenerate the session ID after a successful login to prevent session fixation attacks. Additionally, using HTTPS for secure communication can help protect the session ID from being intercepted. 

// Start the session
session_start();

// Regenerate the session ID after a successful login
if (isset($_SESSION['logged_in']) && $_SESSION['logged_in'] === true) {
    session_regenerate_id();
}

// Check if the request is an AJAX request
if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
    // Handle AJAX request
} else {
    // Handle regular request
}

Keywords

session ID PHP scripts AJAX requests security handling

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