query('SELECT ip, last_date FROM admin_history ORDER BY ID DESC LIMIT 1'); if ($row = $query->fetch()) { $last_date = $row['last_date']; $last_ip = $row['ip']; } if ($last_ip !== $ip || $last_date !== $date) { $conn->prepare('INSERT INTO admin_history (ip, last_date) VALUES (?, ?)')->execute([$date, $ip]); } } if (!isset($_SESSION['login'])) { header('Location: .'); exit(); } if (isset($_GET['logout'])) { if (isset($_SESSION['login'])) unset($_SESSION['login']); session_destroy(); header("Location: ."); exit(); }