Open relation file local dbplus_rkeys dbplus_rquery DB++ Functions PHP Manual dbplus_ropen (PHP 4 >= 4.0.7, PECL dbplus:0.9)dbplus_ropen — Open relation file local Description resource dbplus_ropen ( string $name ) dbplus_ropen() will open the relation file locally for quick access without any client/server overhead. Access is read only and only dbplus_current() and dbplus_next() may be applied to the returned relation. Parameters name Return Values Notes WarningThis 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. dbplus_rkeys dbplus_rquery DB++ Functions PHP Manual