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Last updated: Sat, 27 Jan 2007

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# PDOStatement->nextRowset()

(no version information, might be only in CVS)

PDOStatement->nextRowset() -- Advances to the next rowset in a multi-rowset statement handle

## Описание

class PDOStatement {
bool nextRowset ( void )
}

Some database servers support stored procedures that return more than one rowset (also known as a result set). PDOStatement->nextRowset() enables you to access the second and subsequent rowsets associated with a PDOStatement object. Each rowset can have a different set of columns from the preceding rowset.

## Возвращаемые значения

Возвращает `TRUE` в случае успешного завершения или `FALSE` в случае возникновения ошибки.

## Примеры

Пример 1. Fetching multiple rowsets returned from a stored procedure

The following example shows how to call a stored procedure, MULTIPLE_RESULTS, that returns three rowsets. We use a do / while loop to loop over the PDOStatement->nextRowset() method, which returns false and terminates the loop when no more rowsets can be returned.

`<?php
$sql = 'CALL multiple_rowsets()';
$stmt = $conn->query($sql);
$i = 1;
do {
$rowset = $stmt->fetchAll(PDO::FETCH_NUM);
if ($rowset) {
printResultSet($rowset, $i);
}
$i++;
} while ($stmt->nextRowset());
function printResultSet(&$rowset, $i) {
print "Result set $i:\n";
foreach ($rowset as $row) {
foreach ($row as $col) {
print $col . "\t";
}
print "\n";
}
print "\n";
}
?>`

Результат выполнения данного примера:

    Result set 1:
    apple    red
    banana   yellow

    Result set 2:
    orange   orange    150
    banana   yellow    175

    Result set 3:
    lime     green
    apple    red
    banana   yellow

## Смотрите также

PDOStatement->columnCount()
PDOStatement->execute()
PDOStatement->getColumnMeta()
PDO->query()

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PDOStatement->rowCount() PDOStatement->getColumnMeta()

Last updated: Sat, 27 Jan 2007
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