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Palindrome number Program in PHP


<?php
$num = 121;
$p=$num;
$revnum = 0;
while ($num != 0)
 {
$revnum = $revnum * 10 + $num % 10; 
$num = (int)($num / 10);
}
if($revnum==$p)
{
echo $p," is Palindrome number";
}
else
{
echo $p." is not Palindrome number";
}
?>
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