0) { $floor = $sql->single( "SELECT * FROM floors WHERE id = ?", "i", [$floorId] ); } $isEdit = !empty($floor); $pageTitle = $isEdit ? "Stockwerk bearbeiten: " . htmlspecialchars($floor['name']) : "Neues Stockwerk"; // ========================= // Gebäude laden // ========================= $buildings = $sql->get("SELECT id, name FROM buildings ORDER BY name", "", []); ?>