public function __construct(ViewInterface $view, ExpressViewHelperManagerInterface $helpers, ExpressionContextFactoryInterface $contextFactory, ExpressViewFactory $factory)
{
parent::__construct($view);
$this->factory = $factory;
$this->helpers = $helpers;
$this->expressionContextFactory = new ExpressionContextFactory($contextFactory);
$this->expressionContextFactory->setDefaultAccessPolicy(ExpressionContextInterface::ACCESS_POLICY_RETURN_NULL);
$this->expressionContextFactory->registerExtension($this);
}
public function __construct(ViewInterface $view, ExpressionContextFactoryInterface $factory = NULL)
{
parent::__construct($view);
$this->factory = $factory;
}