i am making a login system with registration and a profile page in php and i am trying to make a profile picture work. 

if the user has not uploaded a profile picture yet then make it show a "no profile picture" image if the user has uploaded a profile picture make make it show the image that he has uploaded.

Right now it only show the default picture, `noprofile.png`.

```
< img src="uploads/< ? echo "$username" ? >/noprofile.png">

```

i want it to show `icon.png` if `icon.png` has been uploaded and if it hasnt been uploaded make it show, `noprofile.png`.