--TEST--
"merge" filter
--TEMPLATE--
{{ items|merge({'bar': 'foo'})|join }}
{{ items|merge({'bar': 'foo'})|keys|join }}
{{ {'bar': 'foo'}|merge(items)|join }}
{{ {'bar': 'foo'}|merge(items)|keys|join }}
--DATA--
return array('items' => array('foo' => 'bar'))
--EXPECT--
barfoo
foobar
foobar
barfoo
