Memory streams

Hello, I'm new to this list, so I aplogize if this is not the place to post this message. I was using today the getimagesize() function which takes a file name. I was trying to take the size of an image decoded using base64_decode from a string. So I have my decoded data in $data. Now to apply getimagesize() I need a file, so I saved $data to a temporary file and everything worked. I then tried to avoid the temporary file by using i/o streams, but I didn't manage to do this. Correct me if I am wrong, but from what I see there is no way to create a memory stream using php://memory and also attach a unique key to it. If that would be possible, I could create a memory stream with a unique key, write the data into it and then pass this memory stream name to the getimagesize() function. In this way, all functions requiring a file could be used on a memory buffer. Adrian Drumea