I have been developing my own content management system with php and mysql for a particular Website. I have set up a form for adding a new data into my db, and to upload a new image to the web server. When the image uploads I resize it to the correct size. I want to do this so that the person uploading it (who would have taken the picture with a digital camera) doesn't have to worry about what size it is.
I have managed to get this working on my development server. However when I try it on the live web server I get the error message 'Could not open 'image' for processing'. I think that this is a problem with permissions on my PC. I am however not sure where to start looking.