Features.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Configuration;
 
class ‪Features
{
    protected array ‪$alwaysActiveFeatures = [
        // Enabled since v13.0 at any time.
        'security.usePasswordPolicyForFrontendUsers',
        'security.backend.enforceContentSecurityPolicy',
        // Enabled since v12.0 at any time.
        'subrequestPageErrors',
        'yamlImportsFollowDeclarationOrder',
        'security.frontend.htmlSanitizeParseFuncDefault',
        'runtimeDbQuotingOfTcaConfiguration',
        // Enabled since v11.0 at any time.
        'fluidBasedPageModule',
        // Enabled since v10.0 at any time.
        'simplifiedControllerActionDispatching',
        'unifiedPageTranslationHandling',
        'felogin.extbase',
    ];
 
    public function ‪isFeatureEnabled(string $featureName): bool
    {
        if (in_array($featureName, $this->alwaysActiveFeatures, true)) {
            return true;
        }
        return isset(‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['features'][$featureName]) && ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['features'][$featureName] === true;
    }
}