Thank you kind sir!
I do get a little mixed up, especially when I've been looking at the same stuff for some time. Your correction there was exactly the ticket. Its on page 32 of my 'Php and Mysql' manual, single vs double quotation marks! haha.
I was thrown because I originaly wrote : 'UploadFolder' => $imageFolder,
Writing "". to me is saying 'Start string, End string, concatenate'. Starting and ending a string without a value is like saying 'nothing' and why would you concatenate nothing to that?
My problem is solved though, so thank you. However, if you were to enlighten me any further with an explanation of why you concatenated the double quotation marks, that would be a bonus. Again, many thanks.