case "add_floor":
if (isset($_GET['floors_name'])) {
echo $operation->add_floor($_GET['floors_name']);
} else {
exit($operation->encode_output(array('status' => 0, 'message' => "Lack of parameters!", 'data' => NULL)));
}
break;
case "del_floor":
$where_values = array();
if (isset($_GET['floors_name'])) {
$where_values['floors_name'] = $_GET['floors_name'];
}
if (isset($_GET['floors_id'])) {
$where_values['floors_id'] = $_GET['floors_id'];
}
echo $operation->del_floor($where_values);
break;
case "get_floor":
$where_values = array();
if (isset($_GET['floors_name'])) {
$where_values['floors_name'] = $_GET['floors_name'];
}
if (isset($_GET['floors_id'])) {
$where_values['floors_id'] = $_GET['floors_id'];
}
echo $operation->get_floor($where_values);
break;
case "upd_floor":
$where_values = array();
$new_values = array();
if (isset($_GET['floors_name'])) {
