(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_setindexbynumber — Set index by number
$relation
, int $idx_number
)This function is currently not documented; only its argument list is available.
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.