<?
if (isset($_POST['submit']))
{
$url=htmlspecialchars($_POST['url']);
if (empty($url))
{
echo "You have not enter a site !";
}
else
{
echo '
<iframe src ="'.$url.'" width="468px" height="60px">
<p>Your browser does not support iframes.</p>
</iframe>
';
}
}
else
{
echo '
<form method="POST" action="">
Site : <input type="text" name="url"><br /><input type="submit" name="submit" value="add"></form>
';
}
?>