Zerofill when adding variables

Anon

I cannot find a formatting syntax that will keep the number of places consistent by filling in zeros. The manual keeps leading me to the number format which is all about decimals.

$a = "01";
$b = "02";

$c = $a + $b;

C returns "3" instead of "03".

I know there is a simple answer, but the manual is not simple-search friendly.

Any help is appreciated. Thanks.

jowatkins

Try a loop that will zero fill for you. It might be a bit messy, but..

if ($c < 10)
{ print ("0$c"); }

Anon

Thank you.

[deleted]

Ofcourse it returns 3, what else do you expect? 1+2=3, no matter how many zeros you prepend.

use printf() to get leading zeros AFTER you did your calculations. Adding zeros before doing a calculation is quite pointless.

printf('%04d', 5);

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