Exercise: Code Improvement
Consider the following code samples ...
Ex1
from courses.php in Ass1
Ex2
from courses.php in Ass1
Ex3
from the WebCMS MessageBoard
Ex4
from the WebCMS MessageBoard
Rewrite each to improve clarity/efficiency.
![[prev]](icon/prev.gif){kind=icon}
![[index]](icon/up.gif){kind=icon}
![[next]](icon/next.gif){kind=icon}