phpseclib\Net\SFTP::_parseMode PHP Method

    function _parseMode($mode)
    {
        // values come from http://lxr.free-electrons.com/source/include/uapi/linux/stat.h#L12
        // see, also, http://linux.die.net/man/2/stat
        switch ($mode & 0170000) {
            // ie. 1111 0000 0000 0000
            case 00:
                // no file type specified - figure out the file type using alternative means
                return false;
            case 040000:
                return NET_SFTP_TYPE_DIRECTORY;
            case 0100000:
                return NET_SFTP_TYPE_REGULAR;
            case 0120000:
                return NET_SFTP_TYPE_SYMLINK;
                // new types introduced in SFTPv5+
                // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2
            // new types introduced in SFTPv5+
            // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2
            case 010000:
                // named pipe (fifo)
                return NET_SFTP_TYPE_FIFO;
            case 020000:
                // character special
                return NET_SFTP_TYPE_CHAR_DEVICE;
            case 060000:
                // block special
                return NET_SFTP_TYPE_BLOCK_DEVICE;
            case 0140000:
                // socket
                return NET_SFTP_TYPE_SOCKET;
            case 0160000:
                // whiteout
                // "SPECIAL should be used for files that are of
                //  a known type which cannot be expressed in the protocol"
                return NET_SFTP_TYPE_SPECIAL;
            default:
                return NET_SFTP_TYPE_UNKNOWN;
        }
    }