Palindrome Program In PHP Using While Loop

This Program Is About How To Given Number Is Palindrome Or Not In Php

PHP FILE CODE

<?php
$n=1234;
$R=0;
$d=$a;
while($d!=0)
{
$R=$R*10;
$R=$R+($n%10);
$n=(int)($n/10);
}
if($R==$d)
{
echo "Number is Palindrome";
}
else
{
echo "Number is Not Palindrome";
}
?>