/**
* Create, configure and call Statement
*
* @param $str_sql
* @param null $arr_params
* @param String $str_result_class
* @param int $int_fetch_mode
* @return array|NULL|void
*/
private function delegateFetch($str_sql, $arr_params, $str_result_class, $int_fetch_mode)
{
$obj_stmt = new DB\Statement($this->obj_db, $str_sql);
if ($str_result_class) {
$obj_stmt->setResultClass($str_result_class);
}
if (self::FETCH_MODE_ONE === $int_fetch_mode) {
return $obj_stmt->fetchOne($arr_params);
} else {
return $obj_stmt->fetchAll($arr_params);
}
}