$var = required_param('var', PARAM_ALPHA);
$return = clean_param(base64_decode(required_param('return', PARAM_RAW)), PARAM_URL);
-$url = new moodle_url('/calendar/set.php', array('return'=>base64_encode($return->out(false)),'var'=>$var, 'sesskey'=>sesskey()));
+$url = new moodle_url('/calendar/set.php', array('return'=>base64_encode($return),'var'=>$var, 'sesskey'=>sesskey()));
$PAGE->set_url($url);
$PAGE->set_context(get_context_instance(CONTEXT_SYSTEM));
break;
}
-redirect($return);
\ No newline at end of file
+redirect($return);