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typo3/sysext/frontend/Classes/Typolink/ExternalUrlLinkBuilder.php

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+<?php
+declare(strict_types = 1);
+namespace TYPO3\CMS\Frontend\Typolink;
+
+/*
+ * 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 TYPO3\CMS\Frontend\Http\UrlProcessorInterface;
+
+/**
+ * Builds a TypoLink to an external URL
+ */
+class ExternalUrlLinkBuilder extends AbstractTypolinkBuilder
+{
+    /**
+     * @inheritdoc
+     */
+    public function build(array &$linkDetails, string $linkText, string $target, array $conf): array
+    {
+        return [
+            $this->processUrl(UrlProcessorInterface::CONTEXT_EXTERNAL, $linkDetails['url'], $conf),
+            $this->encodeFallbackLinkTextIfLinkTextIsEmpty($linkText, $linkDetails['url']),
+            $target ?: $this->resolveTargetAttribute($conf, 'extTarget', true, $this->getTypoScriptFrontendController()->extTarget)
+        ];
+    }
+}