<?
session_start();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Simple Summary Spam Protection, by dr.emi</title>
</head>
<body>
<?
if(isset($_POST['submit']))
{
if(!empty($_POST['fullname']))
{
if($_POST['user_sum'] != $_SESSION['session_sum'])
{
echo "<p>Penjumlahan Proteksi Spam Salah !</p>";
}
else
{
echo "<p>Semua Data Field Diisi dengan benar !</p>";
}
}
else
{
echo "<p>Field Kosong !</p>";
}
}
?>
<form action="#userMSG" method="post">
<p>
<label>Nama Lengkap : <font color="#999999">(harus)</font></label>
</p>
<p>
<input name="fullname" class="input" value="<? echo $_POST['fullname']; ?>" type="text" size="65" />
<label><br />
<br />
Proteksi Spam: <font color="#999999">(harus)</font></label>
<?
$a = rand(2, 8);
$b = rand(1, 5);
$session_sum = $a + $b;
$_SESSION['session_sum'] = $session_sum;
echo "<label>$a + $b = ?</label>";
?>
<input type="text" name="user_sum" size="4" maxlength="4" class="input" /><br />
<br />
<input name="submit" value="SUBMIT" class="submit" type="submit" />
</p>
</form>
</body>
</html>
