2 digit numeric

[Arvind Baldeo]

 Hi,

I need to output my result as two digit numeric.

eg 
$curr = 00;
$hour =4;
$new=$curr * $hour;
print $new;

In the above eg, my result is $new equals to 4. I need it to be displayed as
04.
Or how to convert the digit 4 to string 04?


Rgds
Arvind

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