/**
* Process close of survey
*
* @return array errors
*/
protected function process_close()
{
if (confirm_box(true)) {
$this->survey->close();
redirect($this->base_url);
} else {
$s_hidden_fields = build_hidden_fields(array('t' => $this->topic_id, $this->action_name => $this->request->variable($this->action_name, '')));
confirm_box(false, $this->user->lang['SURVEY_CLOSE_CONFIRM'], $s_hidden_fields);
}
return array();
}