search line position in a file

Dear All, i have trouble to insert data to a file. description: -i have an application to sell product -i want to add some products, but for now i still do it manually by inserting data to mysql and php file. question: how can i insert some data to application and the application update mysql and php file ? i will appreciate your help, thanks, -- Fahmi Basya www.commentindonesia.com/omfahmi YM : basya_fahmi VOIP Rakyat Number : 34752