/** * Process loading of a question for modification * * @return array errors */ protected function process_question_load_modify() { if (!check_form_key($this->form_key_name)) { return array($this->user->lang('FORM_INVALID')); } $question_id = (int) $this->request->variable('survey_load_modify_question', ''); if ($this->survey->question_exists($question_id)) { $this->question_to_load = $question_id; } return array(); }