1--TEST--
2block_expr
3--TEMPLATE--
4{% extends "base.twig" %}
5
6{% block element -%}
7    Element:
8    {{- parent() -}}
9{% endblock %}
10--TEMPLATE(base.twig)--
11{% block element -%}
12    <div>
13        {%- if item.children is defined %}
14            {%- for item in item.children %}
15                {{- block('element') -}}
16            {% endfor %}
17        {%- endif -%}
18    </div>
19{%- endblock %}
20--DATA--
21return [
22    'item' => [
23        'children' => [
24            null,
25            null,
26        ]
27    ]
28]
29--EXPECT--
30Element:<div>Element:<div></div>Element:<div></div></div>
31