PDOStatement::setFetchMode
(no version information, might be only in CVS)
PDOStatement::setFetchMode --
Set the default fetch mode for this statement
说明
bool
PDOStatement::setFetchMode ( int mode )
警告 |
本函数是实验性的。本函数的行为,包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随
PHP 以后的发布而改变。使用本函数风险自担。 |
参数
- mode
The fetch mode must be one of the PDO_FETCH_* constants.
返回值
Returns 1 on success or FALSE on failure.
例
例子 1. Setting the fetch mode
The following example demonstrates how
PDOStatement::setFetchMode() changes the default fetch
mode for a PDOStatement object.
<?php $sql = 'SELECT name, colour, calories FROM fruit'; try { $stmt = $dbh->query($sql); $result = $stmt->setFetchMode(PDO_FETCH_NUM); while ($row = $stmt->fetch()) { print $row[0] . "\t" . $row[1] . "\t" . $row[2] . "\n"; } } catch (PDOException $e) { print $e->getMessage(); } ?>
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上例将输出: apple red 150
banana yellow 250
orange orange 300
kiwi brown 75
lemon yellow 25
pear green 150
watermelon pink 90 |
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