pdo: lastinsertId

gistfile1

if( $sql_statement->execute() ) {
                        $this->db_connect->lastInsertId();
                         if( $sql_statement->rowCount() > 0 ) {
                              $this->previousid = $this->db_connect->lastInsertId('showdate');
                              var_dump($this->previousid);
                         } else {
                              // no record inserted, therefore error condition exists
                              echo "No record inserted. Cannot proceed.";
                              $error = TRUE;
                         }
                    } else {
                         // query failed to execute
                         echo "Query Failed";
                         $error = TRUE;
                         return false;
                    }