WebCommon.incomingFileExists (3kaya)

Check if any files are uploaded with a particular key name

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  4. WebCommon.incomingFileExists: Check if any files are uploaded with a particular key name
  1. Carta.tech
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  4. 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 ([email protected]). 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)