Reads the data for the current tuple for the given
relation.
Parameters
- relation
A relation opened by dbplus_open().
- tuple
The data will be passed back in this parameter, as an associative
array.
Return Values
The function will return zero (aka. DBPLUS_ERR_NOERR) on success
or a db++ error code on failure.
Notes
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.