1--TEST--
2sandbox tag
3--TEMPLATE--
4{%- sandbox %}
5    {%- include "foo.twig" %}
6
7    {% if 1 %}
8        {%- include "foo.twig" %}
9    {% endif %}
10{%- endsandbox %}
11--TEMPLATE(foo.twig)--
12foo
13--EXCEPTION--
14Twig\Error\SyntaxError: Only "include" tags are allowed within a "sandbox" section in "index.twig" at line 5.
15