dbplus_prev

(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)

dbplus_prev — Get previous tuple from relation

int dbplus_prev ( resource $relation , array &$tuple )

Reads the data for the previous tuple for the given relation, makes it the current tuple and will pass it back as an associative array in tuple.

Returns DBPLUS_ERR_NOERR on success or a db++ error code on failure.

Warning

此函数是实验性的。此函数的表象，包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担。