possible fix for #34586: LegacyForm/ilAlphabetInputGUI: TypeError thr…

…own with message ilAlphabetInputGUI::fixDBUmlauts(): Argument #1 () must be of
utesche · Oct 16, 2022 · 9301ddd · 9301ddd
1 parent 35a5a33
commit 9301ddd
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Services/Form/classes/class.ilAlphabetInputGUI.php b/Services/Form/classes/class.ilAlphabetInputGUI.php
@@ -154,6 +154,9 @@ public function getToolbarHTML(): string
 
         $tpl = new ilTemplate("tpl.prop_alphabet.html", true, true, "Services/Form");
         foreach ($this->getLetters() as $l) {
+            if (is_null($l)) {
+                continue;
+            }
             $l = $this->fixDBUmlauts($l);
             $tpl->setCurrentBlock("letter");
             $tpl->setVariable("TXT_LET", $l);