(PHP 4 >= 4.0.6, PHP 5)
fbsql_change_user — Change logged in user of the active connection
fbsql_change_user() changes the logged in user of the specified connection. If the new user and password authorization fails, the current connected user stays active.
The new user name.
The new user password.
If specified, this will be the default or current database after the user has been changed.
fbsql_connect()나 fbsql_pconnect()가 반환한 FrontBase 연결 식별자.
성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.