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typo3/sysext/fluid/Classes/ViewHelpers/BaseViewHelper.php

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+<?php
+namespace TYPO3\CMS\Fluid\ViewHelpers;
+
+/*
+ * 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!
+ */
+
+use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
+use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
+
+/**
+ * ViewHelper which creates a :html:`<base href="..."></base>` tag.
+ *
+ * The Base URI is taken from the current request.
+ *
+ * Examples
+ * ========
+ *
+ * Example::
+ *
+ *    <f:base />
+ *
+ * Output::
+ *
+ *    <base href="http://yourdomain.tld/" />
+ *
+ * Depending on your domain.
+ */
+class BaseViewHelper extends AbstractViewHelper
+{
+    use CompileWithRenderStatic;
+
+    /**
+     * As this ViewHelper renders HTML, the output must not be escaped.
+     *
+     * @var bool
+     */
+    protected $escapeOutput = false;
+
+    /**
+     * Render the "Base" tag by outputting $request->getBaseUri()
+     *
+     * Note: renders as <base></base>, because IE6 will else refuse to display
+     * the page...
+     *
+     * @param array $arguments
+     * @param \Closure $renderChildrenClosure
+     * @param RenderingContextInterface $renderingContext
+     *
+     * @return string "base"-Tag.
+     */
+    public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
+    {
+        return '<base href="' . htmlspecialchars($renderingContext->getControllerContext()->getRequest()->getBaseUri()) . '" />';
+    }
+}