protected function sourceFileExists($filename)
    {
        $fullFilename = $this->formDir . $filename;
        if (file_exists($fullFilename)) {
            return true;
        }

        return false;
    }
protected function sourceFileExists($filename)
    {
        $fullFilename = $this->formDir . $filename;
        if (file_exists($fullFilename)) {
            return true;
        }

        return false;
    }
protected function sourceFileExists ( $ filename ) { $ fullFilename = $ this -> formDir . $ filename ; if ( file_exists ( $ fullFilename ) ) { return true ; } return false ; }
Check if the xml file still exists in the directory

@param $filename
@return bool
Check if the xml file still exists in the directory