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Armstrong number Program in PHP



<?php
 $num=153;
$sum=0;
$temp=$num;
while($temp!=0)
{
$rem=$temp%10;
$sum=$sum +$rem*$rem*$rem; $temp=$temp/10;
}
 if($num==$sum)
{
 echo "Armstrong number";
 }
 else
{
echo "not an armstrong number";
}
?>
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