Laravel method to add a value within a deeply nested array using "dot" notation

Question

Arr::add doesn't work with dot notation. Arr::set will create a new element only if it does not exist, otherwise, it will overwrite the existing one. There is data_set, it works similar to Arr::set, but it accepts the overwrite flag which does not do what I need (if it's set to false instead of adding a new item, it will just skip setting new value).

My code:

   $array = [['name' => 'Test', 'link' => 'test_link'], ['name' => 'Test1', 'link' => 'test1_link']];

   $result = [];
   $position = 1;
   foreach($array as $element) {
      Arr::set($result, 'itemListElement.type', 'ListItem');  
      Arr::set($result, 'itemListElement.position', $position);  
      Arr::set($result, 'itemListElement.item.name', $element['name']);  
      Arr::set($result, 'itemListElement.item.link', $element['link']);  
      $position++;
   }

And I would like to have multiple list elements within the itemListElement parent, instead of having one list element which is being overwritten all the time.

Here is what it should look like:

[
    "itemListElement" => [
        [
            "type" => "ListItem",
            "position" => 1,
            "item" => [
                "name" => "Test",
                "url" => "test_url",
            ]
        ],
        [
            "type" => "ListItem",
            "position" => 1,
            "item" => [
                "name" => "Test1",
                "url" => "test1_url",
            ]
        ],
    ]
]

ibrahim-dogan · Accepted Answer · 2021-04-29 16:48:25Z

1

Can you try this:

 $array = [['name' => 'Test', 'link' => 'test_link'], ['name' => 'Test1', 'link' => 'test1_link']];

   $result = [];
   foreach($array as $key=>$element) {
      Arr::set($result["itemListElement"][$key], 'type', 'ListItem');  
      Arr::set($result["itemListElement"][$key], 'position', $key + 1);  
      Arr::set($result["itemListElement"][$key], 'item.name', $element['name']);  
      Arr::set($result["itemListElement"][$key], 'item.link', $element['link']);  
   }

$result;

answered Apr 29, 2021 at 16:48

ibrahim-dogan

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