File uploads

• The files classes
  • Overview of available classes
  • Using the container to retrieve the classes
  • Using the factory to retrieve the classes
• The filespec class
  • Passing settings to filespec class
  • Retrieving property values
  • Clean file name
  • Move file to location
• The upload class
  • Passing settings to upload class
  • Uploading files
  • Converting uses of fileupload class
  • Reset settings
  • Perform common checks on upload
  • Check form for validity