JSON对象循环

Question

如果有instagram_business_id（id），如何获取？启用获取它，未定义索引instagram_business_id错误

    $pages = '[
  {
    "access_token": "",
    "instagram_business_account": {
      "id": "123"
    },
    "name": "Page Name",
    "id": "XXX"
  },
  {
    "access_token": "",
    "name": "Page Name2",
    "id": "XXX"
  }
]';

Loop
foreach($pages as $page){

}

Answer 1

检查以下代码 $ res = json_decode（$ pages，true）;

print_r（$ res [0] ['instagram_business_account']）;