Online PHP editor | output for NQP9M

<!DOCTYPE html> <html> <head> <title>Palindrome Number Checker</title> </head> <body> <form method="post"> Enter a number: <input type="number" name="n"><br><br> <input type="submit" name="check"> </form> <?php if (isset($_POST['check'])) { $n = $_POST['n']; $num = $n; $rev = 0; while ($num > 0) { $rev = $rev * 10 + ($num % 10); // build reversed number $num = (int)($num / 10); // remove last digit } if ($rev == $n) { echo $n . " is a Palindrome number"; } else { echo $n . " is not a Palindrome number"; } } ?> </body> </html> <!DOCTYPE html> <html> <head> <title>Palindrome Number Checker</title> </head> <body> <form method="post"> Enter a number: <input type="number" name="n"><br><br> <input type="submit" name="check"> </form> <?php if (isset($_POST['check'])) { $n = $_POST['n']; $num = $n; $rev = 0; while ($num > 0) { $rev = $rev * 10 + ($num % 10); // build reversed number $num = (int)($num / 10); // remove last digit } if ($rev == $n) { echo $n . " is a Palindrome number"; } else { echo $n . " is not a Palindrome number"; } } ?> </body> </html>