PropertyModifierSplit: check for null values

fixes #2739
Icinga · Apr 26, 2023 · 623dd1c · 623dd1c
1 parent 978d9bc
commit 623dd1c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/library/Director/PropertyModifier/PropertyModifierSplit.php b/library/Director/PropertyModifier/PropertyModifierSplit.php
@@ -33,7 +33,7 @@ public static function addSettingsFormFields(QuickForm $form)
 
     public function transform($value)
     {
-        if (! strlen(trim($value))) {
+        if ($value === null || ! strlen(trim($value))) {
             if ($this->getSetting('when_empty', 'empty_array') === 'empty_array') {
                 return array();
             } else {