So with the following code could some one tell me why my line 21 - comes back as index undefined? Its a simple upload script for uploading images to a custom directory. I believe everything is set correctly, yet when I select an image then hit submit I get an error on that line - saying that image_upload is undefined index. - essentially meaning that the "field is blank" when its not...or wasn't before I hit submit >_>.
What am I doing wrong?