Countryofmanufacture.php

<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magento.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_Catalog
 * @copyright  Copyright (c) 2006-2020 Magento, Inc. (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Catalog product country attribute source
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Catalog_Model_Product_Attribute_Source_Countryofmanufacture extends Mage_Eav_Model_Entity_Attribute_Source_Abstract
{
    /**
     * Get list of all available countries
     *
     * @return mixed
     */
    public function getAllOptions()
    {
        $cacheKey = 'DIRECTORY_COUNTRY_SELECT_STORE_' . Mage::app()->getStore()->getCode();
        if (Mage::app()->useCache('config') && $cache = Mage::app()->loadCache($cacheKey)) {
            $options = unserialize($cache, ['allowed_classes' => false]);
        } else {
            $collection = Mage::getModel('directory/country')->getResourceCollection();
            if (!Mage::app()->getStore()->isAdmin()) {
                $collection->loadByStore();
            }
            $options = $collection->toOptionArray();
            if (Mage::app()->useCache('config')) {
                Mage::app()->saveCache(serialize($options), $cacheKey, array('config'));
            }
        }
        return $options;
    }
}