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Write a Program Print the Sum of Digits.

Example :-

 	14597 = 1 + 4 + 5 + 9 + 7  
	14597 = 26

Example :-

 <?php  
$num = 12468;  
$sum=0; $rem=0;  
  for ($i =0; $i<=strlen($num);$i++)  
 {  
  $rem=$num%10;  
   $sum = $sum + $rem;  
   $num=$num/10;  
  }  
 echo "Sum of digits = $sum";  
 ?>  
 

Output

 Sum of digits = 21

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