PHP ʖ²ἯTH º󍋼/A dbplus_ropen Description ¾¯¸漯B 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. º󍋼/A ưµ㼯A dbplus_rkeys ɏһ¼¶ dbplus_rquery