Share 'PHP4 class for S3 - need help with copy'

I'm working on a PHP4 class to use the REST protocol for Amazon S3 that does not require CURL or PEAR HTTP_Request. I hadn't been able to find a PHP4 class that worked for me. I didn't want to use PEAR or CURL. So far, I've got putting objects to work. My next task was to work on copying objects. I have been trying for a couple days so far and I can't figure out what I'm doing wrong. I'd really…