<?php // Write a Program to Calculate Sum of a three digit number and reverse it.functionSumAndReverse($number){$no=$number;$sum=0;$reverse=0;$length=strlen($number);$i=$length;while($i!=0){$remainder=$no%10;$sum=$remainder+$sum;$reverse=($reverse*10)+$remainder;$no=$no/10;$i--;}return'Sum of '.$number.' is '.$sum.' and reverse of it is '.$reverse;}echoSumAndReverse(123);echo"<br>";echoSumAndReverse(246);echo"<br>";echoSumAndReverse(135);?>