public function visitFilter(Criterion $criterion, Dispatcher $dispatcher, array $languageFilter) { /* @var $criterion \eZ\Publish\API\Repository\Values\Content\Query\Criterion\LogicalOperator */ return array('and' => array_map(function ($value) use($dispatcher, $languageFilter) { return $dispatcher->dispatch($value, Dispatcher::CONTEXT_FILTER, $languageFilter); }, $criterion->criteria)); }