NAME

       WebCommon::incomingFileExists - Check if any files are uploaded with a particular key name

SYNOPSIS

       Bool incomingFileExists( String key )

ARGUMENTS

       key The key to check for files

DESCRIPTION

       Returns  true  if any files have been uploaded with this key name. This is generally better than catching
       WebCommon.NotIncoming (3kaya) exceptions from WebCommon.incomingFile (3kaya)

    if (incomingFileExists("picture")) {
        pic = incomingFile("picture");
        myUploadProcessor(pic);
    }

AUTHORS

       Kaya standard  library  by  Edwin  Brady,  Chris  Morris  and  others  (kaya@kayalang.org).  For  further
       information see http://kayalang.org/

LICENSE

       The  Kaya  standard library is free software; you can redistribute it and/or modify it under the terms of
       the GNU Lesser General Public License (version 2.1 or  any  later  version)  as  published  by  the  Free
       Software Foundation.

RELATED

       WebCommon.allowFileUploads (3kaya)
       WebCommon.incomingExists (3kaya)
       WebCommon.incomingFile (3kaya)
       WebCommon.incomingFileKeys (3kaya)
       WebCommon.incomingFiles (3kaya)

Kaya                                                July 2013                WebCommon.incomingFileExists(3kaya)