Please tell me how to convert this kind of array

Question

"role_ids": [

10,

2,

1

How to convert to this form

"roles": [ "roleId": 1, "roleName": "Administrator", "comments": null, "isDelete": null, "createTime": null, "createTime": null, "updateTime": null }, "roleId": 2, "roleName": "Normal user", "comments": null, "isDelete": null, "createTime": null, "updateTime": null                                                                                                                           ]

Answer 1

First thing you should note is that the following form is a json string, and the one used in php is json_encode