--TEST--
block_expr2
--TEMPLATE--
{% extends "base2.twig" %}
{% block element -%}
Element:
{{- parent() -}}
{% endblock %}
--TEMPLATE(base2.twig)--
{% extends "base.twig" %}
--TEMPLATE(base.twig)--
{% block element -%}
{%- if item.children is defined %}
{%- for item in item.children %}
{{- block('element') -}}
{% endfor %}
{%- endif -%}
{%- endblock %}
--DATA--
return [
'item' => [
'children' => [
null,
null,
]
]
]
--EXPECT--
Element: