OEModule\OphCiExamination\controllers\AdminController::actionRemoveElementTypeFromWorkflowStep PHP Method

    public function actionRemoveElementTypeFromWorkflowStep()
    {
        if (!($item = models\OphCiExamination_ElementSetItem::model()->find('set_id=? and id=?', array(@$_POST['step_id'], @$_POST['element_type_item_id'])))) {
            throw new \Exception('Element set item not found: ' . @$_POST['element_type_item_id'] . ' in set ' . @$_POST['step_id']);
        }
        if (!$item->delete()) {
            throw new \Exception('Unable to delete element set item: ' . print_r($item->getErrors(), true));
        }
        echo '1';
    }