Auto Rename Uploader

[jeremy1987]

I sort of new to php and im learning as I go along but I see to be having trouble with this upload im trying to add a variable to it but im having no success can someone please help me out.

 

Im trying to add this variable to the code a friend helped me out to write this but I want the images to be renamed to photo1 photo2 ect... but I dont them to over write each other.

$i = 0; while (file_exists('photo'.++$i.'.jpg')) { continue; } move_uploaded_file(whatever, 'photo'.$i.'.jpg');

 

Someone please help me I would greatly appreciate it.