Here is a simple PHP program which checks whether the given number is palindrome or not.
1) Here is the form to enter the number.
2) Now here is the Palindrome.php which gets the number and checks whether it is palindrome or not.
1) Here is the form to enter the number.
<html>
<head>
<title>INTEGER PALINDROME</title>
</head>
<body>
<table width="100%" cellpadding="0" cellspacing="0">
<tr>
<td>
<form name="palindrome" method="GET" action="palindrome.php">
<fieldset>
<ol>
<li>
<label>ENTER THE INTEGER NUMBER:</label>
<input type="text" name="Num" value=" ">
</li>
<li>
<input type="submit" name="check" value="submit"><br>
</li>
</ol>
</fieldset>
</form>
</td>
</tr>
</table>
</body>
</html> 2) Now here is the Palindrome.php which gets the number and checks whether it is palindrome or not.
<?php
$n = $_GET['Num'];
function intpal($n1)
{
$sum = 0;
$nn = $n1;
while ($nn > 0) {
$sum = $sum * 10;
$sum = $sum + $nn % 10;
if (($nn % 10) <> 0)
$nn = ceil($nn / 10) - 1;
else
$nn = $nn / 10;
}
if ($sum == $n1)
echo"INTEGER $n1 IS Palindrome ";
else
echo"INTEGER $n1 IS NOT Palindrome ";
}
if (empty($n)) {
echo"ENTER VALID INPUT";
exit;
}
intpal($n);
?>
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