Config.php

<?php

/**
 * PAYONE Magento 2 Connector is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PAYONE Magento 2 Connector is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with PAYONE Magento 2 Connector. If not, see <http://www.gnu.org/licenses/>.
 *
 * PHP version 5
 *
 * @category  Payone
 * @package   Payone_Magento2_Plugin
 * @author    FATCHIP GmbH <support@fatchip.de>
 * @copyright 2003 - 2016 Payone GmbH
 * @license   <http://www.gnu.org/licenses/> GNU Lesser General Public License
 * @link      http://www.payone.de
 */

namespace Payone\Core\Helper;

/**
 * Helper class for everything that has to do with the configuration
 */
class Config extends \Payone\Core\Helper\Base
{
    /**
     * Return unserialized array of all forwarding urls
     *
     * @param  string $sStoreCode
     * @return array
     */
    public function getForwardingUrls($sStoreCode = null)
    {
        $sForwarding = $this->getConfigParam('config', 'forwarding', 'payone_misc', $sStoreCode);
        if ($sForwarding) {
            $aForwarding = unserialize($sForwarding);
            if (is_array($aForwarding) && !empty($aForwarding)) {
                return $aForwarding;
            }
        }
        return [];
    }
}