(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_close — Close a relation
Closes a relation previously opened by dbplus_open().
Returns TRUE on success or DBPLUS_ERR_UNKNOWN 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.