} trait Indirect { use ATrait; } class SomeClass { use ATrait; } class UsingIndirect { use Indirect; } $r = SomeClass::get_class_name(); var_dump($r); $r = SomeClass::get_class_name2(); var_dump($r); $o = new SomeClass(); $r = $o->get_class_name_obj(); var_dump($r); $r = $o->get_class_name_obj2(); var_dump($r); $r = UsingIndirect::get_class_name(); var_dump($r); $r = UsingIndirect::get_class_name2(); var_dump($r); $o = new UsingIndirect(); $r = $o->get_class_name_obj(); var_dump($r); $r = $o->get_class_name_obj2(); var_dump($r);