FPDF error: [Error] https://c8.staticflickr.com/6/5479/31375531111_1cf56a0619_o.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