Einrückungen und Zeilenumbrüche vereinheitlicht

webseite/classes/SubjectData.php

@@ -84,7 +84,7 @@ class SubjectData
         $subjectDirectory = "config/subjects/$subjectId";
         $filename = "$subjectDirectory/properties.json";
         $data = Util::parseJsonFromFile($filename);
-        if(!isset($data)) {
+        if (!isset($data)) {
             return null;
         }
 

webseite/classes/TopicData.php

@@ -90,7 +90,7 @@ class TopicData
         $topicsDirectory = "config/subjects/$subjectId/topics";
         $topicDataDirectory = "$topicsDirectory/$topicId";
         $data = Util::parseJsonFromFile("$topicDataDirectory/properties.json");
-        if(!isset($data)) {
+        if (!isset($data)) {
             return null;
         }
 

webseite/classes/Util.php

@@ -41,7 +41,7 @@ class Util
     static function parseJsonFromFile(string $filename): mixed
     {
         $content = self::readFileContent($filename);
-        if(!isset($content)) {
+        if (!isset($content)) {
             return null;
         }
         return json_decode($content);