bugfix: datetime::diff wont't work in PHP < 5.3, added version_compare

trunk/Calendars/Ewiger_Adventskranz/output.php

@@ -14,8 +14,8 @@
  */
 
 $cfgMod = array(
-    'debug' => true,
-    'eak_imgset' => 'Extra/',
+    'debug' => false,
+    'eak_imgset' => 'default/',
     'show_countdown' => true
 );
 
@@ -133,7 +133,7 @@ function daysdiff($dt1, $dt2, $timeZone = 'UTC') {
   // use the DateTime datediff function IF we have a non-buggy version
   // there is a bug in many Windows implementations that diff() always returns
   // 6015  
-  if( $dt1->diff($dt1)->format("%a") != 6015 ) {
+  if(version_compare(phpversion(), "5.3", ">=") && $dt1->diff($dt1)->format("%a") != 6015 ) {
     return $dt1->diff($dt2)->format("%a");
   }