JEMBOT MAWOT Bypass Shell

<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * 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.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/OSL-3.0
 * 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@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://devdocs.prestashop.com/ for more information.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 */

declare(strict_types=1);

namespace PrestaShop\PrestaShop\Core\Product\Combination\Generator;

use Iterator;

/**
 * Generates combinations of attributes
 */
class CombinationGenerator implements CombinationGeneratorInterface
{
    /**
     * {@inheritdoc}
     *
     * Yields combinations, where each combination contains a list of all possible attribute ids indexed by group id
     */
    public function generate(array $attributesByGroups): Iterator
    {
        $currentGroup = key($attributesByGroups);
        $currentAttributes = $attributesByGroups[$currentGroup];
        unset($attributesByGroups[$currentGroup]);

        foreach ($currentAttributes as $attributeId) {
            if (empty($attributesByGroups)) {
                yield [$currentGroup => $attributeId];

                continue;
            }

            foreach ($this->generate($attributesByGroups) as $combination) {
                $combination[$currentGroup] = $attributeId;

                yield array_reverse($combination, true);
            }
        }
    }
}