Hey I am a bit new to PHP and this coding is far beyond me at the moment.

What I am looking to have done is for someone to setup and array for an existing script. For you guys I am sure this would be quite easy, I have tried several different approaches myself and failed miserably each time. So perhaps I am missing the simple answer here.

Basically this script takes the URL strings and encrypts them for when it gets passed. Problem is it is only doing this for links that are internal to the document. I'd like it to do it for all the links.

Any help would be much appreciated.
http://www.thefallenones.net/secureURL.zip

    test.php

    <?

error_reporting(E_ALL);

require_once("secureURL.php");
secureURL::initialize("password" , array("www.thefallenones.net/mw/test.php" , "test.php") , array('var'));

print_r($_GET);


?>
<br>
<a href=test.php?var=1&var2=2&var3=3&public=1>Hello</a> <br>
<a href=http://www.thefallenones.net/mw/test.php?var=1&var2=2&var3=3>Hello</a> <br>

<form action=test.php?form=1 method="POST">
    Form : <input type=submit>
</form>

    Here is the hardcore stuff

    secureURL.php

    <?

class secureURL
{
    var $gz;
    var $password;
    var $filter;
    var $params;
    function initialize($password,$filter=null,$params=null,$gz=false,$auto_global=null)
    {
        global $secureURL;
        $secureURL = new secureURL();
        if ($filter !== null)
        {
            if (!is_array($filter)) $filter = array($filter);
            foreach ($filter as $key => $var)
            {
                $filter[$key] = strtolower($var);
            }
        }
        if (!is_array($params)) $params = array();
        $secureURL->gz = $gz;
        $secureURL->password = $password;
        $secureURL->params = $params;
        $secureURL->filter = $filter;
        ob_start('secureURL_output');
        if (@$_GET['crypt'] && @$_GET['hash'])
        {
            $_GET['crypt'] = secureURL::decrypt($_GET['crypt']);
            if (secureURL::hash($_GET['crypt']) != @$_GET['hash'])
            {
                $_GET = array();
                return;
            }
            $_GET['crypt'] = html_entity_decode($_GET['crypt'] , ENT_QUOTES);
            parse_str($_GET['crypt'] , $_GET);
            if ($auto_global === null) $auto_global = (ini_get("register_globals"));
            if ($auto_global)
            {
                foreach ($_GET as $key => $var)
                {
                    $GLOBALS[$key] = $var;
                }
            }
        }
    }
    function crypt($string)
    {
        global $secureURL;
        $password = $secureURL->password;
        $i = 0;$j = 0;
        for ($i = 0;$i < strlen($string);$i++)
        {
            $string[$i] = chr(ord($string[$i]) ^ ord($password[$j]));
            $j++;
            if ($j >= strlen($password)) $j = 0;
        }
        $string = base64_encode($string);
        return $string;
    }
    function decrypt($string)
    {
        global $secureURL;
        $string = base64_decode($string);
        $password = $secureURL->password;
        $i = 0;$j = 0;
        for ($i = 0;$i < strlen($string);$i++)
        {
            $string[$i] = chr(ord($string[$i]) ^ ord($password[$j]));
            $j++;
            if ($j >= strlen($password)) $j = 0;
        }
        return $string;
    }
    function check_filter($url)
    {
        global $secureURL;
        if ($secureURL->filter === null) return true;
        $url = parse_url($url);
        return in_array(($url['host'] ? $url['host'] : "") . $url['path'] , $secureURL->filter);
    }
    function hash($string)
    {
        return dechex(crc32(secureURL::crypt( (string) crc32($string))));
    }
}
function secureURL_output($content)
{
    global $secureURL;
    $content = preg_replace_callback("/(href|src|action)=([\"'])(.*)\\2/Ui" , 'secureURL_encode' , $content);
    $content = preg_replace_callback('/(href|src|action)=([^" \'>]*)/' , 'secureURL_encode2' , $content);
    if ($secureURL->gz && function_exists())
    {
        $content = ob_gzhandler($content);
    }
    return $content;
}
function secureURL_encode2($matches)
{
    global $secureURL;
    $text = $matches[1] . "=";
    if (strpos($matches[2] , "?") !== false && secureURL::check_filter($matches[2]))
    {
        $query = substr($matches[2],strpos($matches[2] , "?") + 1);
        if (is_array($secureURL->params) && count($secureURL->params))
        {
            $params = array();
            parse_str($query,$params);
            $query2 = '';
            foreach ($secureURL->params as $key)
            {
                if (isset($params[$key]))
                {
                    $query2 .= "&$key=" . urlencode($params[$key]);
                }
            }
        }
        $query = "hash=" . secureURL::hash($query) . "&crypt=" . secureURL::crypt($query);
        if (isset($query2)) $query .= $query2;
        $matches[2] = substr($matches[2] , 0 , strpos($matches[2] , "?") + 1) . $query;
    }

$text .= $matches[2];
return $text;
}
function secureURL_encode($matches)
{
    global $secureURL;
    $text = $matches[1] . "=" . $matches[2];
    if (strpos($matches[3] , "?") !== false && secureURL::check_filter($matches[3]))
    {
        $query = substr($matches[3],strpos($matches[3] , "?") + 1);
        if (is_array($secureURL->params) && count($secureURL->params))
        {
            $params = array();
            parse_str($query,$params);
            $query2 = '';
            foreach ($secureURL->params as $key)
            {
                if (isset($params[$key]))
                {
                    $query2 .= "&$key=" . urlencode($params[$key]);
                }
            }
        }
        $query = "hash=" . secureURL::hash($query) . "&crypt=" . secureURL::crypt($query);
        if (isset($query2)) $query .= $query2;
        $matches[3] = substr($matches[3] , 0 , strpos($matches[3] , "?") + 1) . $query;
    }

$text .= $matches[3] . $matches[2];
return $text;
}

?>
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