static public function GetFiles( $dirName = '.', $mask = '*.*', $relative = 0, $recurse = 1 )
    {
        if( !isset($dirName) || $dirName == '' )
        { $dirName = '.'; }

        if( !is_dir( $dirName ) || !is_readable( $dirName ) )
        { return false; }

        $files = Array( );
        $handle = @opendir($dirName);

        $mask = str_replace('.', '\.', $mask);
        $mask = str_replace('*', '.*', $mask);

        while( false !== ( $file = readdir( $handle ) ) )
        {
            if( $file != '.' && $file != '..' )
            {
                $fullPath = $dirName . DIRECTORY_SEPARATOR . $file;

                if(is_readable( $fullPath ))
                {
                    if( is_dir( $fullPath ) )
                    {
                        if($recurse)
                        {
                            $subs = self::GetFiles( $fullPath, $mask, $relative, $recurse );

                            foreach($subs as $sub)
                            { $files[] = $sub; }
                        }
                    }
                    else
                    {
                        $path = ( $relative ? $file : $fullPath );

                        preg_match('/' . $mask . '/i', $path, $result);

                        if(count($result) > 0)
                        { $files[] = $path; }
                    }
                }
            }
        }

        @closedir($handle);
        return $files;
    }