(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_update — Update specified tuple in relation
dbplus_update() replaces the old tuple with the data from the new one, only if the old completely matches a tuple within relation.
A relation opened by dbplus_open().
The old tuple.
The new tuple.
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.