[UPHPU] Coding Correctness

[Justin Giboney]

The reason I used is_int, is because 1.4 is divisible by 2 but according 
to wiki, it isn't an even number.

Justin Giboney

> What about error handling the case where a sting is passed to the function?
> This function handles the '3', and the 'your name'
>
> function evenOrOdd ($number) {
>     if (is_numeric($number)) {
>         $evenOrOdd = 'odd';
>         if (($number % 2) == 0)
>         {
>           $evenOrOdd = 'even';
>         }
>         print $evenOrOdd."\n";
>     }
>     else {
>         throw new Exception('Argument is invalid, it must be a number');
>     }
> }
>
>
> - Kirk
>