將數據行轉換為 1 個對象 (Convert data rows to 1 object)

問題描述

將數據行轉換為 1 個對象 (Convert data rows to 1 object)

閱讀 Laravel 6 行，如

 {"filter_options":[
   {"id":5,"key":"category_id","value":"2","created_at":"2020‑02‑10 18:23:48"},
   {"id":4,"key":"only_with_images","value":"1","created_at":"2020‑02‑10 18:23:48"}
  ]
 } 

我需要轉換 1 個對像中的數據，如

{ 
   category_id : 2,
   only_with_images :"1"
}

我知道如何用一個普通的圓圈來實現，但是有一些收集映射方法？

謝謝！

參考解法

方法 1:

I am not sure if your data is a collection or not, but let's assume this is the data

$array = ['filter_options' => [
    ['id' => 5, 'key' => 'category_id', 'value' => 2, 'created_at' => '2020‑02‑10 18:23:48'],
    ['id' => 4, 'key' => 'only_with_images', 'value' => 1, 'created_at' => '2020‑02‑10 18:23:48'],
   ]];

you only need to do this

    //after php 7.4
    return collect($array['filter_options'])‑>flatMap(fn ($item) => [$item['key'] => $item['value']]);
    //before php 7.4
    return collect($array['filter_options'])‑>flatMap(function ($item) {
        return [$item['key'] => $item['value']];
    });

Note: obviously this is array syntax to access the properties($item['key']), if your data soruce is from laravel eloquent, you may not need collect() helper method and you need to use the object way to access the properties like $item‑>key.

(by Petro Gromovo、Andy Song)

參考文件

1. Convert data rows to 1 object (CC BY‑SA 2.5/3.0/4.0)