PHP ʖ²ἯTH º󍋼/A dbplus_getlock Description ¾¯¸漯B dbplus_getlock() will request a write lock on the specified tuple. It will return zero on success or a non-zero error code, especially DBPLUS_ERR_WLOCKED, on failure. º󍋼/A ưµ㼯A dbplus_freerlocks ɏһ¼¶ dbplus_getunique