FPDF error: [Error] http://hieuchuanbgtech.com/img/uploads/images/may-do-do-on/Extech-407730.jpg Missing or Please turn on "allow_url_fopen" on your server to allow insert images in PDF Document, more info here: http://stackoverflow.com/questions/3694240/add-allow-url-fopen-to-my-php-ini-using-htaccess