mysqlnd_change_user_ex  656 ext/mysqli/mysqli_api.c 	rc = mysqlnd_change_user_ex(mysql->mysql, user, password, dbname, FALSE, (size_t) password_len);
mysqlnd_change_user_ex   44 ext/mysqli/mysqli_mysqlnd.h #define mysqli_change_user_silent(c, u, p, d, p_len)   mysqlnd_change_user_ex((c), (u), (p), (d), TRUE, (size_t)(p_len))