This is a property now.

diff --git a/framework/Icalendar/lib/Horde/Icalendar.php b/framework/Icalendar/lib/Horde/Icalendar.php
index 1e4f2b3..4c323c8 100644 (file)
--- a/framework/Icalendar/lib/Horde/Icalendar.php
+++ b/framework/Icalendar/lib/Horde/Icalendar.php
@@ -964,7 +964,7 @@ class Horde_Icalendar
                         $dates[] = $this->_exportDateTime($date);
                     }
                 }
-                $value = implode($this->isOldFormat() ? ';' : ',', $dates);
+                $value = implode($this->oldFormat ? ';' : ',', $dates);
                 break;
 
             case 'TRIGGER':