PDOStatement->fetchColumn()
(no version information, might be only in CVS)
PDOStatement->fetchColumn() -- Returns a single column from the next row of a result setOpis
class PDOStatement {string fetchColumn ( [int column_number] )
}
Returns a single column from the next row of a result set or FALSE if there are no more rows.
Parametry
column_number
0-indexed number of the column you wish to retrieve from the row. If no value is supplied, PDOStatement->fetchColumn() fetches the first column.
Zwracane wartości
PDOStatement->fetchColumn() returns a single column in the next row of a result set.
Ostrzeżenie |
There is no way to return another column from the same row if you use PDOStatement->fetchColumn() to retrieve data. |
Przykłady
Patrz także
PDO->query() |
PDOStatement->fetch() |
PDOStatement->fetchAll() |
PDO->prepare() |
PDOStatement->setFetchMode() |
Poprzedni | Spis treści | Następny |
PDOStatement->fetchAll() | Początek rozdziału |