--TEST--
Twig allows to use named operators as variable names
--TEMPLATE--
{% for match in matches %}
    {{- match }}
{% endfor %}
{{ in }}
{{ is }}
--DATA--
return array('matches' => array(1, 2, 3), 'in' => 'in', 'is' => 'is')
--EXPECT--
1
2
3
in
is