What potential pitfalls should PHP developers be aware of when dealing with sessions in different browsers?

When dealing with sessions in different browsers, PHP developers should be aware of potential pitfalls such as session hijacking and session fixation. To mitigate these risks, developers can use session_regenerate_id() to generate a new session ID whenever a user logs in or changes privilege levels. 

session_start();

// Check if session ID needs to be regenerated
if (!isset($_SESSION['regenerated']) || $_SESSION['regenerated'] < time() - 60) {
    session_regenerate_id(true);
    $_SESSION['regenerated'] = time();
}

Keywords

PHP sessions browser compatibility cookies session hijacking

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