tweak(Calendar/Attender): add another isset() check

because of: Warning: Illegal offset type in isset or empty
tine20 · Mar 14, 2022 · 440c2e0 · 440c2e0
1 parent 7b49635
commit 440c2e0
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/tine20/Calendar/Model/Attender.php b/tine20/Calendar/Model/Attender.php
@@ -1075,7 +1075,9 @@ public static function resolveAttendee($eventAttendees, $resolveDisplayContainer
                 if ($attender->user_id instanceof Tinebase_Record_Interface) {
                     // already resolved
                     continue;
-                } elseif (isset(self::$_resolvedAttendeesCache[$attender->user_type][$attender->user_id])){
+                } elseif (isset(self::$_resolvedAttendeesCache[$attender->user_type])
+                    && isset(self::$_resolvedAttendeesCache[$attender->user_type][$attender->user_id])
+                ){
                     // already in cache
                     $attender->user_id = self::$_resolvedAttendeesCache[$attender->user_type][$attender->user_id];
                 } else {