From 062b0f25db63709be54dd6e2f527bbe44a30728b Mon Sep 17 00:00:00 2001
From: Matthias Grief <matthias.grief@alumni.fh-aachen.de>
Date: Mon, 6 Jan 2025 17:04:46 +0100
Subject: [PATCH] fehlerhaftes Erstellen von geschachtelten p-Tags behoben

---
 webseite/topicEditor.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/webseite/topicEditor.php b/webseite/topicEditor.php
index a3b7655..040092e 100644
--- a/webseite/topicEditor.php
+++ b/webseite/topicEditor.php
@@ -189,6 +189,8 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST') {
 
         // extension=mbstring in php.ini muss aktiviert sein!
         $article = mb_convert_encoding($dom->saveHTML(), 'UTF-8', 'HTML-ENTITIES');
+        $article = preg_replace("/^[ \r\n\t]*<p><p>/", "<p>", $article);
+        $article = preg_replace("#</p></p>[ \r\n\t]*$#", "</p>", $article);
 
         if (isset($allSubjects[$_POST['subjectId']]->getTopics()[$_POST['id']])) {
             $newTopic = $allSubjects[$_POST['subjectId']]->getTopics()[$_POST['id']];