How to display nested array in twig?

G

Grog29032020-03-27 13:02:57

symfony

Grog2903, 2020-03-27 13:02:57

I am trying to display nested array in twig

Here is the array

array(4) {
  ["03f2d305-35fd-4cf0-8c77-659a8484d844"]=&gt;
  array(5) {
    ["id"]=&gt;
    string(36) "03f2d305-35fd-4cf0-8c77-659a8484d844"
    ["title"]=&gt;
    string(6) "Test 3"
    ["slug"]=&gt;
    string(6) "Test 3"
    ["parent_id"]=&gt;
    NULL
    ["children"]=&gt;
    array(1) {
      ["34906ea1-2039-443a-910c-6ce1d7e8e6fe"]=&gt;
      array(4) {
        ["id"]=&gt;
        string(36) "34906ea1-2039-443a-910c-6ce1d7e8e6fe"
        ["title"]=&gt;
        string(4) "weew"
        ["slug"]=&gt;
        string(4) "weew"
        ["parent_id"]=&gt;
        string(36) "03f2d305-35fd-4cf0-8c77-659a8484d844"
      }
    }
  }
  ["4e9bb859-c93d-43e7-8a06-8860345c44af"]=&gt;
  array(5) {
    ["id"]=&gt;
    string(36) "4e9bb859-c93d-43e7-8a06-8860345c44af"
    ["title"]=&gt;
    string(6) "Test 1"
    ["slug"]=&gt;
    string(6) "Test 1"
    ["parent_id"]=&gt;
    NULL
    ["children"]=&gt;
    array(2) {
      ["a30a1d4c-a495-49d3-97ac-bf8a19649733"]=&gt;
      array(4) {
        ["id"]=&gt;
        string(36) "a30a1d4c-a495-49d3-97ac-bf8a19649733"
        ["title"]=&gt;
        string(6) "Test 2"
        ["slug"]=&gt;
        string(6) "Test 2"
        ["parent_id"]=&gt;
        string(36) "4e9bb859-c93d-43e7-8a06-8860345c44af"
      }
      ["b00d9430-bcec-4e48-ba86-4ea83f1c45a9"]=&gt;
      array(4) {
        ["id"]=&gt;
        string(36) "b00d9430-bcec-4e48-ba86-4ea83f1c45a9"
        ["title"]=&gt;
        string(11) "Hello World"
        ["slug"]=&gt;
        string(11) "Hello World"
        ["parent_id"]=&gt;
        string(36) "4e9bb859-c93d-43e7-8a06-8860345c44af"
      }
    }
  }
  ["9259de78-5275-486e-bc1c-8e1b16e25192"]=&gt;
  array(5) {
    ["id"]=&gt;
    string(36) "9259de78-5275-486e-bc1c-8e1b16e25192"
    ["title"]=&gt;
    string(6) "Test 5"
    ["slug"]=&gt;
    string(6) "Test 5"
    ["parent_id"]=&gt;
    NULL
    ["children"]=&gt;
    array(1) {
      ["abbb5a4d-4e2f-406c-9633-d3c49c530f88"]=&gt;
      array(4) {
        ["id"]=&gt;
        string(36) "abbb5a4d-4e2f-406c-9633-d3c49c530f88"
        ["title"]=&gt;
        string(6) "123312"
        ["slug"]=&gt;
        string(6) "123312"
        ["parent_id"]=&gt;
        string(36) "9259de78-5275-486e-bc1c-8e1b16e25192"
      }
    }
  }
  ["eef6d142-481c-4354-be41-0bf28dbb5961"]=&gt;
  array(4) {
    ["id"]=&gt;
    string(36) "eef6d142-481c-4354-be41-0bf28dbb5961"
    ["title"]=&gt;
    string(4) "2222"
    ["slug"]=&gt;
    string(4) "2222"
    ["parent_id"]=&gt;
    NULL
  }
}

Here is the cycle

{% for category in categories %}
                            {{ category['title'] }}
                            {% for child in category['children'] %}
                                ===={{ child['title'] }}
                            {% endfor %}
                       
                {% endfor %}

I get this error:
Key "children" for array with keys "id, title, slug, parent_id" does not exist.

If you set any other value instead of children in the loop, then the error will show this:
Key "other" for array with keys "id, title, slug, parent_id, children" does not exist.

Please tell me what I'm doing wrong

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1 answer(s)

G

Grog2903, 2020-03-27
@Grog2903

Resolved the issue.
The problem was that, for example, there were no subcategories in the main category, then there was no value in the array and the twig cursed