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typo3/sysext/frontend/Classes/ContentObject/CaseContentObject.php

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+<?php
+namespace TYPO3\CMS\Frontend\ContentObject;
+
+/*
+ * 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!
+ */
+
+/**
+ * Contains CASE class object.
+ */
+class CaseContentObject extends AbstractContentObject
+{
+    /**
+     * Rendering the cObject, CASE
+     *
+     * @param array $conf Array of TypoScript properties
+     * @return string Output
+     */
+    public function render($conf = [])
+    {
+        if (!empty($conf['if.']) && !$this->cObj->checkIf($conf['if.'])) {
+            return '';
+        }
+
+        $setCurrent = isset($conf['setCurrent.'])
+            ? $this->cObj->stdWrap($conf['setCurrent'] ?? '', $conf['setCurrent.'])
+            : ($conf['setCurrent'] ?? null);
+        if ($setCurrent) {
+            $this->cObj->data[$this->cObj->currentValKey] = $setCurrent;
+        }
+        $key = isset($conf['key.']) ? $this->cObj->stdWrap($conf['key'], $conf['key.']) : $conf['key'];
+        $key = isset($conf[$key]) && (string)$conf[$key] !== '' ? $key : 'default';
+        // If no "default" property is available, then an empty string is returned
+        if ($key === 'default' && !isset($conf['default'])) {
+            $theValue = '';
+        } else {
+            $theValue = $this->cObj->cObjGetSingle($conf[$key], $conf[$key . '.'] ?? [], $key);
+        }
+        if (isset($conf['stdWrap.'])) {
+            $theValue = $this->cObj->stdWrap($theValue, $conf['stdWrap.']);
+        }
+        return $theValue;
+    }
+}