Upload e resize immagini

[softhare]

Vero: serve qualche riga in più:

// ottengo la larghezza e l'altezza dell'immagine originale  
        list($image_width, $image_height) = getimagesize($remote_file);  
        if($image_width>$max_upload_width || $image_height >$max_upload_height){  
            $proportions = $image_width/$image_height;  
            $new_width=$image_width;
            $new_height=$image_height;
            while($new_width>$max_upload_width || $new_height >$max_upload_height){ 
                if($image_width>$image_height){  
                    $new_width = $max_upload_width;  
                    $new_height = round($max_upload_width/$proportions);  
             }          
             else{  
                 $new_height = $max_upload_height;  
                 $new_width = round($max_upload_height*$proportions);  
              }          
            } 

per evitare un endless loop.