Bug #12999: fix PHP warning

horde · Mar 3, 2014 · f513e99 · f513e99
1 parent 164eb7f
commit f513e99
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/imp/lib/Mailbox/SessionCache.php b/imp/lib/Mailbox/SessionCache.php
@@ -81,7 +81,8 @@ public function __get($name)
      */
     public function getAcl($mbox)
     {
-        if (!array_key_exists(self::CACHE_ACL, $this->_cache[$mbox])) {
+        if (!isset($this->_cache[$mbox]) ||
+            !array_key_exists(self::CACHE_ACL, $this->_cache[$mbox])) {
             return false;
         }