Online PHP editor | refs for JSStn

<?php $json_str='{ "code": 200, "message": "操作成功", "data": [ { "id": 1, "goods_id": 1, "property_name_id": 1, "property_value_id": 1, "property_name": { "title": "份量", "is_sale": true }, "property_value": { "id": 1, "value": "小份", "image": "" } }, { "id": 2, "goods_id": 1, "property_name_id": 1, "property_value_id": 2, "property_name": { "title": "份量", "is_sale": true }, "property_value": { "id": 2, "value": "中份", "image": "" } }, { "id": 3, "goods_id": 1, "property_name_id": 2, "property_value_id": 4, "property_name": { "title": "温度", "is_sale": true }, "property_value": { "id": 4, "value": "常温", "image": "" } }, { "id": 4, "goods_id": 1, "property_name_id": 2, "property_value_id": 5, "property_name": { "title": "温度", "is_sale": true }, "property_value": { "id": 5, "value": "加冰", "image": "" } } ] }'; $obj = json_decode($json_str); $data = []; foreach($obj->data as $v){ $nid=$v->property_name_id; if(!array_key_exists($nid,$data)){ $o = new stdclass; $o->property_id = $v->property_name_id; $o->property_name = $v->property_name->title; $o->is_sale= $v->property_name->is_sale ; $data[$nid]=$o; } $data[$nid]->items[]=$v->property_value; } $obj->data = array_values($data); print_r($obj); //echo json_encode($obj);