First refactoring to PHP 8.1

links.php

@@ -1,12 +1,7 @@
 <?php
 // Die Datei links.php
 
-    if (isset($_GET['section'])) {
-        $section = $_GET['section'];
-    }
-    else {
-        $section = "home";
-    }
+$section = $_GET['section'] ?? "home";
 
     echo "<ul>\n";
 
@@ -38,7 +33,7 @@
     }
     echo "level2\"><a href=\"index.php?section=putz\">Putz</a></li>\n";
 
-// Element Dämmung
+// Element D<EFBFBD>mmung
     echo "    <li class=\"";
     if ($section == 'daemm') {
         echo "aktiv";
@@ -66,7 +61,7 @@
     }
     echo "><a href=\"index.php?section=info\">Info &amp; Partner</a></li>\n";
 
-// Element Sachverständigenwesen
+// Element Sachverst<EFBFBD>ndigenwesen
     echo "    <li";
     if ($section == 'sach') {
         echo " class=\"aktiv\"";
@@ -95,7 +90,4 @@
     echo "level2\"><a href=\"index.php?section=ausbau\">Ausbau</a></li>\n";
 
 
-    echo "</ul>\n"
-
-?>
-
+    echo "</ul>\n";