PDOStatement::nextRowset

(PHP 5 >= 5.1.0, PHP 7, PHP 8, PECL pdo >= 0.2.0)

PDOStatement::nextRowset Advances to the next rowset in a multi-rowset statement handle

Description

public PDOStatement::nextRowset(): bool

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.

Parameters

This function has no parameters.

Return Values

Returns true on success or false on failure.

Examples

Example #1 Fetching multiple rowsets returned from a stored procedure

The following example shows how to call a stored procedure, MULTIPLE_ROWSETS, which returns three rowsets. We use a do-while loop to call the PDOStatement::nextRowset() method until it returns false and terminates the loop when no more rowsets are available.

<?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";}?>

The above example will output:

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

See Also