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this my folder structure -+file

---

+b

---

+e

---

+1

---

New Microsoft Excel Worksheet.xls

---

+foo

---

+New Text Document.txt

---

+New ACDSee Pro BMP Image.bmp
this is when i do print_r on return of File::read_dir

[tree] => Array
        (
            [b] => Array
                (
                    [e] => Array
                        (
                            [0] => Array
                                (
                                    [0] => New Microsoft Excel Worksheet.xls
                                )

                            [foo] => Array
                                (
                                    [0] => New Text Document.txt
                                )

                            [1] => New ACDSee Pro BMP Image.bmp
                        )

                    [0] => New WinRAR archive.rar
                )

        )

apparently folder with numeric '1' cause this behaviour ? when i change folder name '1' to 'bar' everything ok

[tree] => Array
        (
            [b] => Array
                (
                    [e] => Array
                        (
                            [bar] => Array
                                (
                                    [0] => New Microsoft Excel Worksheet.xls
                                )

                            [foo] => Array
                                (
                                    [0] => New Text Document.txt
                                )

                            [0] => New ACDSee Pro BMP Image.bmp
                        )

                    [0] => New WinRAR archive.rar
                )

        )