$type, 'message' => $message]; } public static function displayAlerts() { if (!isset($_SESSION['alerts']) || empty($_SESSION['alerts'])) return; echo '

'; foreach ($_SESSION['alerts'] as $alert) { $class = 'alert-' . $alert['type']; echo '

' . htmlspecialchars($alert['message']) . '×

'; } echo '

'; // Vider les alertes après affichage unset($_SESSION['alerts']); } }