twigfiddle.com - Fiddle dfsdl0 v1 - Created on September 11, 2019 20:06

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Title

File

{% macro renderNode(parent_id, rows) %}
{% import _self as self %}
{% set records = rows | filter(row => row.parent_id == parent_id) %}
{% if records %}
<ul>
{% for row in records %}
    <li>
        {{ row.title }}
        {{ self.renderNode(row.id, rows) }}
    </li>
{% endfor %}
</ul>
{% endif %}
{% endmacro %}

{% from _self import renderNode %}

{{ renderNode(0, rows) }}

Format

{
    "rows": [
        {
            "id": 1,
            "parent_id": 0,
            "title": "nivel 1"
        },
        {
            "id": 2,
            "parent_id": 0,
            "title": "nivel 2"
        },
        {
            "id": 3,
            "parent_id": 2,
            "title": "nivel 3"
        },
        {
            "id": 4,
            "parent_id": 2,
            "title": "nivel 4"
        },
        {
            "id": 5,
            "parent_id": 3,
            "title": "nivel 5"
        }
    ]
}

Fiddle dfsdl0 created on September 11, 2019 20:06 and visited 151 times

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