(4.1.0 - 4.2.3 only, PECL)
dbplus_update -- Update specified tuple in relation
Description
int 
dbplus_update ( resource relation, array old, array new )
| Warning | 
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP. 
Use this function at your own risk.  | 
     dbplus_update() replaces the tuple given by
     old with the data from
     new if and only if
     old completely matches a tuple within
     relation.