Palindrome Check

form.html
<html>
<head>
    <title>A form</title>
</head>
<body>
    <form method = "get" action = "test.php">
        <input type = "text" name = "tb" />
        <input type = "submit" value ="Is it a Palindrome?"/>
    </form>
</body>
</html>


test.php
<html>
<body>
    <?php
        $input = $_GET["tb"];
        $ulta = strrev($input);
        if($input == $ulta) echo "Ye to palindrome nikla! xD";
        else echo "Ye to palindrome nahi hai! :(";
    ?>
</body>
</html>