/** * Returns a single column from the next row of a result set. * * @param integer $columnIndex 0-indexed number of the column you wish to retrieve from the row. If no * value is supplied, PDOStatement->fetchColumn() * fetches the first column. * * @return string A single column in the next row of a result set. */ public function fetchColumn($columnIndex = 0) { return $this->statement->fetchColumn($columnIndex); }