return Collections.emptySet();
}
final HashSet<PhpVariable> phpVariables = new HashSet<PhpVariable>();
try {
ParserManager.parse(Collections.singleton(Source.create(controller)), new UserTask() {
@Override
public void run(ResultIterator resultIterator) throws Exception {
ParserResult parserResult = (ParserResult) resultIterator.getParserResult();
final YiiControllerVisitor controllerVisitor = new YiiControllerVisitor(view);
controllerVisitor.scan(Utils.getRoot(parserResult));