xe_nproduct_items 테이블에서 extra_vars 필드를 보면 아래와 같은 내용이 나오던데

O:8:"stdClass":4:{s:18:"item_delivery_free";O:10:"NExtraItem":11:{s:10:"module_srl";s:4:"6382";s:3:"idx";i:1;s:4:"name";s:18:"item_delivery_free";s:5:"title";s:9:"배송비";s:4:"type";s:8:"checkbox";s:7:"default";s:23:"a:1:{i:0;s:6:"무료";}";s:4:"desc";s:58:"체크시 이 상품의 배송금액은 0원이 됩니다.";s:11:"is_required";s:1:"N";s:6:"search";s:1:"N";s:5:"value";N;s:3:"eid";s:0:"";}s:5:"stock";O:10:"NExtraItem":11:{s:10:"module_srl";s:4:"6382";s:3:"idx";i:2;s:4:"name";s:5:"stock";s:5:"title";s:6:"재고";s:4:"type";s:4:"text";s:7:"default";s:0:"";s:4:"desc";s:88:"물품의 재고를 적어주세요. (미입력시 물품의 재고는 무한입니다.)";s:11:"is_required";s:1:"N";s:6:"search";s:1:"N";s:5:"value";N;s:3:"eid";s:0:"";}s:5:"brand";O:10:"NExtraItem":11:{s:10:"module_srl";s:4:"6382";s:3:"idx";i:3;s:4:"name";s:5:"brand";s:5:"title";s:19:"제조사/원산지";s:4:"type";s:4:"text";s:7:"default";s:0:"";s:4:"desc";N;s:11:"is_required";s:1:"N";s:6:"search";s:1:"N";s:5:"value";s:24:"(주)산도깨비/국내";s:3:"eid";s:0:"";}s:3:"etc";O:10:"NExtraItem":11:{s:10:"module_srl";s:4:"6382";s:3:"idx";i:4;s:4:"name";s:3:"etc";s:5:"title";s:6:"비고";s:4:"type";s:4:"text";s:7:"default";s:0:"";s:4:"desc";N;s:11:"is_required";s:1:"N";s:6:"search";s:1:"N";s:5:"value";N;s:3:"eid";s:0:"";}}

위와 같은 내용은 뭔가요?

일괄 등록 폼을 확장하고 관리자 페이지에서 외부로 빼내는 작업 중 막혀버렸네요.

엄두가 나지 않지만 하는데 까지 해보려합니다. ㅎㅎ