I need a PHP file that will check for differences in a PDF file every 30 min, i need you to make it downloade this PDF file with a schedule. http://intra.esbjerg.aau.dk/skema/Skema.pdf On the site it must be possible for people to sign up, they signup with a email and a page number in the PDF… (Budget: $30-$250 USD, Jobs: HTML, PHP, Website Design)
