BUGFIX: Do not fail when null is given

punktDe · Mar 5, 2020 · 9ed61ff · 9ed61ff
1 parent 73288e9
commit 9ed61ff
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Classes/Eel/ArchivistHelper.php b/Classes/Eel/ArchivistHelper.php
@@ -25,6 +25,10 @@ class ArchivistHelper implements ProtectedContextAwareInterface
      */
     public function buildSortingCharacter(?string $string, int $position = 0, int $length = 1): string
     {
+        if ($string === null) {
+            return '#';
+        }
+
         $character = mb_substr($string, $position, $length);
 
         // Transliterate (transform 北京 to 'Bei Jing')