Initial commit - Typo3 11.5.41

typo3conf/ext/pw_teaser/Classes/ViewHelpers/RemoveWhitespacesViewHelper.php

@@ -0,0 +1,47 @@
+<?php
+namespace PwTeaserTeam\PwTeaser\ViewHelpers;
+
+/***************************************************************
+ *  Copyright notice
+ *
+ *  (c) 2011-2020 Armin Vieweg <armin@v.ieweg.de>
+ *
+ *  All rights reserved
+ *
+ *  This script is part of the TYPO3 project. The TYPO3 project is
+ *  free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The GNU General Public License can be found at
+ *  http://www.gnu.org/copyleft/gpl.html.
+ *
+ *  This script is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  This copyright notice MUST APPEAR in all copies of the script!
+ ***************************************************************/
+
+/**
+ * This view helper removes whitespaces which are annoying the HTML output,
+ * cause some browsers are interpreting tabs and new lines.
+ *
+ * @copyright Copyright belongs to the respective authors
+ * @license http://www.gnu.org/licenses/gpl.html GNU General Public License, version 3 or later
+ */
+class RemoveWhitespacesViewHelper extends \TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper
+{
+
+    /**
+     * Returns the content without dispensable whitespaces
+     *
+     * @return string Rendered string, may be empty.
+     */
+    public function render()
+    {
+        return str_replace(["\t", "\r", "\n"], '', $this->renderChildren());
+    }
+}