PHP script to reverse the given 5 digit number

on
 
Prepare a Form Page for inputting the number

(reverse.html)

<!DOCTYPE html>
<html>
<form method="POST" action="rev.php">
Enter Number:<input type="number" name="n3">
<input type="submit">
</form>
</body>
</html>









(rev.php)

<?php
$num=$_POST["n3"];

function reverseno($num) {
    $reverse = 0;
    while ($num > 0) {
        $reverse = $reverse*10+$num % 10;
        $num = floor($num / 10);
    }
    return $reverse;
}






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