--TEST--
Twig supports the ?? operator
--TEMPLATE--
{{ 'OK' ?? 'KO' }}
{{ null ?? 'OK' }}
{{ bar ?? 'KO' }}
{{ baz ?? 'OK' }}
{{ foo.bar ?? 'KO' }}
{{ foo.missing ?? 'OK' }}
{{ foo.bar.baz.missing ?? 'OK' }}
{{ foo['bar'] ?? 'KO' }}
{{ foo['missing'] ?? 'OK' }}
{{ nope ?? nada ?? 'OK' }}
{{ 1 + nope ?? nada ?? 2 }}
{{ 1 + nope ?? 3 + nada ?? 2 }}
--DATA--
return array('bar' => 'OK', 'foo' => array('bar' => 'OK'))
--EXPECT--
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
3
6