PHP ʖ²ἯTH º󍋼/A xml_set_notation_decl_handler Description עʍɹ÷ʇ΄µµ DTD µĒ»²¿·֣¬²¢Ӑȧς¸񊽣º !NOTATION name {system_id | public_id} º󍋼/A ưµ㼯A xml_set_external_entity_ref_handler ɏһ¼¶ xml_set_object