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<?php
/**
 * Class FormData | FormData.php
 * @package Faulancer\View\Helper
 * @author  Florian Knapp <office@florianknapp.de>
 */
namespace Faulancer\View\Helper;

use Faulancer\Service\SessionManagerService;
use Faulancer\Session\SessionManager;
use Faulancer\View\AbstractViewHelper;
use Faulancer\View\ViewController;

/**
 * Class FormData
 */
class FormData extends AbstractViewHelper
{

    /**
     * Get field of submitted form
     *
     * @param ViewController $view
     * @param                $key
     * @return array|null|string
     */
    public function __invoke(ViewController $view, string $key)
    {
        /** @var SessionManager $sessionManager */
        $sessionManager = $this->getServiceLocator()->get(SessionManagerService::class);
        return $sessionManager->getFlashbagFormData($key);
    }

}