代码如下:
<?php
if ($_REQUEST['url'])
{
header('Location:http://bcd.allowed.org/0/?url='.base64_encode(strrev($_REQUEST['url'])));
}
else
{
echo "<form method='POST' action='proxy.php'>
url:<input name='url' type='text' value=\"\" />
<input type='submit' value=\"go\" />
</form>";
}
?>
