//getData break; //University case //University case case "University": //Load Univeristy VO and DAO files include '/VO/UniversityVO.php'; include '/DAO/UniversityDAO.php'; $universityDAO = new universityDAO(); //Get all universities $optionVO = $universityDAO->getUniversities(); //getData break; //Department case //Department case case "Department": //Load Department VO and DAO files include '/VO/DepartmentVO.php'; include '/DAO/DepartmentDAO.php'; $departmentDAO = new DepartmentDAO(); //Get all departments of a university $optionVO = $departmentDAO->getAllByUniversity($parentId); //getData break; } $result = ""; //Send all <select> info separated by ';' for ($i = 0; $i < count($optionVO); $i++) { $result = $result . $optionVO[$i]->toString() . ';'; } echo $result;