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[pdt-dev] Usage of SearchEngine.createSuperHierarchyScope()

Hi all,

i'm trying to search for all classes being or extending a specific class inside a user defined library.

Right now, this approach doesn't return any results:

IDLTKSearchScope projectScope = PHPModelUtils.createProjectSearchScope(scriptProject);
IType[] types = PHPModelUtils.getTypes("baseClass", projectScope);

IDLTKSearchScope taskScope = SearchEngine.createSuperHierarchyScope(type);
IType[] classes = PHPModelUtils.getAllClasses(taskScope);

Is there any recommended way to search for a class hierarchy ?

thanks !