prepare("INSERT INTO logs (message) VALUES (:message)"); $stmt->bindParam(':message', $message); $message = "Message to log"; $stmt->execute(); ?>In this example, the message is logged to a MySQL database. The message to log is bound to a parameter in a prepared statement, and then executed. Package library: PDO (PHP Data Objects) Overall, there are various package libraries that can be used for implementing PHP System log. The choice of package library will depend on the specific requirements of the application.