55 lines
1.6 KiB
PHP
55 lines
1.6 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Fluid\ViewHelpers;
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use TYPO3\CMS\Core\Configuration\Features;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractConditionViewHelper;
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/**
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* ViewHelper to check if a feature flag is enabled, implemented as
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* a condition like an "if" construct.
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*
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* ```
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* <f:feature name="myFeatureFlag">
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* <f:then>
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* Flag is enabled
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* </f:then>
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* <f:else>
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* Flag is undefined or not enabled
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* </f:else>
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* </f:feature>
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* ```
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*
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* @see https://docs.typo3.org/permalink/t3viewhelper:typo3-fluid-feature
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*/
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final class FeatureViewHelper extends AbstractConditionViewHelper
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{
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public function initializeArguments(): void
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{
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parent::initializeArguments();
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$this->registerArgument('name', 'string', 'name of the feature flag that should be checked', true);
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}
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public static function verdict(array $arguments, RenderingContextInterface $renderingContext): bool
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{
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return GeneralUtility::makeInstance(Features::class)->isFeatureEnabled($arguments['name']);
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}
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}
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