prj_burden_structure_header_id)) { $prj_burden_struct_exptype_object = prj_burden_struct_exptype::find_by_parent_id($$class->prj_burden_structure_header_id); } if (empty($prj_burden_struct_exptype_object)) { $prj_burden_struct_exptype_object = array(new prj_burden_struct_exptype()); } ?>