Manche Bereiche nur anzeigen, wenn sie Inhalt haben

webseite/subject.php

@@ -102,6 +102,10 @@ $topics = $subjectData->topics;
                         </ul>
                     </div>-->
                 </div>
+
+                <?php
+                if(count($topicData->files) > 0) {
+                ?>
                 <div class="download-section bg-gray-100 p-[20px] rounded-[20px]">
                     <h4>Übungen herunterladen:</h4>
                     <div class="download-links">
@@ -122,6 +126,10 @@ $topics = $subjectData->topics;
                         ?>
                     </div>
                 </div>
+                <?php
+                }
+                ?>
+
             </div>
 
             <?php

webseite/topic.php

@@ -33,7 +33,6 @@ if (!isset($topicData)) {
     <link href="assets/css/topic.css" rel="stylesheet">
     <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.2/gsap.min.js"></script>
     <script src="https://cdn.tailwindcss.com"></script>
-    <!--<script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>-->
     <script src="assets/js/sidebar.js"></script>
     <script src="assets/js/tasks.js" defer></script>
 
@@ -95,6 +94,10 @@ if (!isset($topicData)) {
     <div class="max-w-7xl mx-auto mt-5">
         <div class="mt-16"></div>
 
+        <?php
+        if(count($topicData->relatedTopics) > 0) {
+        ?>
+
         <!-- Related Topics -->
         <div class="related-topics bg-gray-100 p-4 rounded-lg">
             <h4>Verwandte Themen:</h4>
@@ -119,6 +122,10 @@ if (!isset($topicData)) {
             </ul>
         </div>
 
+        <?php
+        }
+        ?>
+
         <!-- Topic Content -->
         <div class="content-card mt-[8px]">
             <h1 class="content-title"><?php echo($topicData->displayName); ?></h1>
@@ -129,6 +136,9 @@ if (!isset($topicData)) {
                 <?php echo($topicData->getFinishedArticle()); ?>
             </div>
 
+            <?php
+            if(count($topicData->files) > 0) {
+            ?>
             <div class="exercise-section bg-gray-100">
                 <h3 style="margin-bottom: 1rem;" class="text-[var(--primary-color)]">Übungen herunterladen:</h3>
                 <div style="display: flex; flex-wrap: wrap; gap: 0.5rem;">
@@ -148,6 +158,10 @@ if (!isset($topicData)) {
                     ?>
                 </div>
             </div>
+            <?php
+            }
+            ?>
+
         </div>
 
         <!-- Tasks -->
@@ -206,6 +220,9 @@ if (!isset($topicData)) {
         ?>
 
 
+        <?php
+        if(count($topicData->relatedTopics) > 0) {
+        ?>
         <!-- Related Topics -->
         <div class="related-topics bg-gray-100 p-4 rounded-lg">
             <h4>Verwandte Themen:</h4>
@@ -229,6 +246,10 @@ if (!isset($topicData)) {
                 ?>
             </ul>
         </div>
+        <?php
+        }
+        ?>
+
     </div>
 </main>