db_pdo::getLastInsertId PHP Method

    public function getLastInsertId()
    {
        switch ($this->dbType) {
            case 'PGSQL':
            case 'SQLITE':
            case 'MSSQL':
            case 'SQLSRV':
            case 'IBASE':
            case 'MYSQL':
                return $this->_linkID->lastInsertId();
            case 'ORACLE':
            case 'OCI':
                $sequenceName = $this->table;
                $vo = $this->query("SELECT {$sequenceName}.currval currval FROM dual");
                return $vo ? $vo[0]["currval"] : 0;
        }
    }