db->prepare("SELECT * FROM employee_profiles WHERE national_id = ?"); $stmt->execute([$nationalId]); return $stmt->fetch(PDO::FETCH_ASSOC); } public function saveProfile($nationalId, $bankName, $bankAccount) { $sql = "INSERT INTO employee_profiles (national_id, bank_name, bank_account) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE bank_name = VALUES(bank_name), bank_account = VALUES(bank_account)"; $stmt = $this->db->prepare($sql); return $stmt->execute([$nationalId, $bankName, $bankAccount]); } }