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Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PHP 4, PHP <=5.2.0)
ifx_nullformat — Sets the default return value on a fetch row
$mode
)Sets the default return value of a NULL-value on a fetch row.
mode
Mode "0" returns "", and mode "1" returns " NULL
".
成功时返回 TRUE
, 或者在失败时返回 FALSE
。