Pchp.Library.Streams.PhpStream.RawLength C# (CSharp) Method

        protected virtual int RawLength()
        {
            if (!CanSeek) return -1;
            int current = RawTell();
            if ((current < 0) || !RawSeek(0, SeekOrigin.End)) return -1;
            int rv = RawTell();
            if ((rv < 0) || !RawSeek(current, SeekOrigin.Begin)) return -1;
            return rv;
        }