Array
(
    [folder 1] => Array
        (
            [0] => Desktop.ini
            [folder 1] => Array
                (
                )

            [folder 2] => Array
                (
                )

            [folder 3] => Array
                (
                )

            [1] => New Microsoft Excel Worksheet.xlsx
            [2] => New Microsoft Word Document.docx
            [3] => New Text Document.txt
        )

    [folder 2] => Array
        (
            [folder 1] => Array
                (
                )

            [folder 2] => Array
                (
                )

            [folder 3] => Array
                (
                )

            [0] => New Microsoft Excel Worksheet.xlsx
            [1] => New Microsoft Word Document.docx
            [2] => New Text Document.txt
        )

    [folder 3] => Array
        (
            [folder 1] => Array
                (
                )

            [folder 2] => Array
                (
                )

            [folder 3] => Array
                (
                )

            [0] => New Microsoft Excel Worksheet.xlsx
            [1] => New Microsoft Word Document.docx
            [2] => New Text Document.txt
        )

)