TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:20 +02:00
commit c7a46689ff
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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\Fluid\ViewHelpers;
+
+use TYPO3\CMS\Core\Configuration\Features;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractConditionViewHelper;
+
+/**
+ * ViewHelper to check if a feature flag is enabled, implemented as
+ * a condition like an "if" construct.
+ *
+ * ```
+ *   <f:feature name="myFeatureFlag">
+ *        <f:then>
+ *           Flag is enabled
+ *        </f:then>
+ *        <f:else>
+ *           Flag is undefined or not enabled
+ *        </f:else>
+ *   </f:feature>
+ * ```
+ *
+ * @see https://docs.typo3.org/permalink/t3viewhelper:typo3-fluid-feature
+ */
+final class FeatureViewHelper extends AbstractConditionViewHelper
+{
+    public function initializeArguments(): void
+    {
+        parent::initializeArguments();
+        $this->registerArgument('name', 'string', 'name of the feature flag that should be checked', true);
+    }
+
+    public static function verdict(array $arguments, RenderingContextInterface $renderingContext): bool
+    {
+        return GeneralUtility::makeInstance(Features::class)->isFeatureEnabled($arguments['name']);
+    }
+}