(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_prev — Get previous tuple from relation
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
A relation opened by dbplus_open().
DBPLUS_ERR_NOERR on success or a db++ error
code on failure.
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.