File Upload - or why caffeine and nicotine nearly won the day

Hi List Just implemented a file upload routine using V3.0.16 on Win NT. It worked ok. Then tried to abstract the upload code by putting it in a function within an include function library. Problems. Many hours of problems. Used the form object file and posted, which worked previously, as below: <input name='userfile' type='file'> Created a function - with the identical code to the previous working example, except for passing the form variable and the new name of the uploaded file - like this: function uploadImage($userfile,$newfilename) Didn't work at all. After a while I de-bugged the passed function arguments within the function itself. A list of results: echo $userfile: c:\\test.gif (ok, an escaped slash) echo $userfile_name: blank echo $userfile_type: blank echo $userfile_size: blank Of course, the original variable OUTSIDE the function reported the correct results. Thought a bit. The variable name $userfile is obviously a construct. Tried passing it by reference: function uploadImage(&$userfile,$newfilename) Same problem. Does anybody out there in the PHP community have any ideas? It can't be a bug. I've never, ever discovered a bug. Bit like winning the Loser's Lottery. Always my code...... Julian