title: Building PHP uploader for gif/jpg/png/pdf/doc, wmv files, feasible, or should I buy something?
body: <p>I've got a Mac server and I'm building PHP code to allow users to upload images, documents, and even video files. Researching this has definitely gotten me nervous, I want the uploaded content to be virus free. </p>
  
  <p>Is building something myself going to be a huge challenge? Would you do it, or would you find some OS or OTS product? (And do you know of any you can recommend)?  </p>