.htaccess ir rewrite engine (Page 1 of 2)

<?php
class URL{
var $page;
var $vars;

    function checkValues()
        {
            if(isset($_GET["page"])&&isset($_GET["var"]))
                {
                    $this -> page = $_GET["page"];
                    $this -> vars = $_GET["var"];
                } elseif(isset($_GET["page"]))
                    {
                        $this -> page = $_GET["page"];
                    } else {
                        echo "ERROR";
                    }
        }
    function URLget()
        {
    switch($this->page)
        {
            case "1":
           
                switch($this->vars)
                    {
                        case "boo": echo "<h2>Puslapis page 1 ir var = BOO</h2><br />";
                        break;
                       
                        case "foo": echo "<h2> puslapis page 1 ir var = FOO</h2><br />";
                        break;
                       
                        default: echo "<h2>Puslapis page 1</h2>";
                        break;
                    }
            break;
            case "2": echo "<h2>Puslapis page 2</h2>";
            break;
           
            case "3": echo "<h2>Puslapis page 3</h2>";
            break;
           
            case "4": echo "<h2>Puslapis page 4</h2>";
            break;
           
            default : echo "<h2>Cia default puslapis</h2>";
            break;
        }
    }
}
$url = new URL();
$url -> checkValues();
$url -> URLget();
?>
<a href="<?php echo $_SERVER["PHP_SELF"] . "?page=1";?>">PAGE 1</a><br />
<a href="<?php echo $_SERVER["PHP_SELF"] . "?page=2";?>">PAGE 2</a><br />
<a href="<?php echo $_SERVER["PHP_SELF"] . "?page=3";?>">PAGE 3</a><br />
<a href="<?php echo $_SERVER["PHP_SELF"] . "?page=4";?>">PAGE 4</a><br />
<a href="<?php echo $_SERVER["PHP_SELF"] . "?page=1&var=boo";?>">PAGE 1 & BOO</a><br />
<a href="<?php echo $_SERVER["PHP_SELF"] . "?page=1&var=foo";?>">PAGE 1 & FOO</a><br />
<a href="<?php echo $_SERVER["PHP_SELF"] . "?page";?>">PAGE</a><br />

RewriteEngine on
RewriteBase /
RewriteCond    %{REQUEST_FILENAME} !-f
RewriteCond    %{REQUEST_FILENAME} !-d
RewriteRule    ^(.*)$ /test.php?page=$1&var=$2 [L,QSA]

Options +FollowSymLinks 
RewriteEngine On 
RewriteCond %{SCRIPT_FILENAME} !-d 
RewriteCond %{SCRIPT_FILENAME} !-f

# Veiksmai
RewriteRule ^loggin/([0-9A-Za-z-_]+)? ./login.php?action=$1 [L,QSA]
RewriteRule ^loggout/([0-9A-Za-z-_]+)? ./index.php?action=$1 [L,QSA]
RewriteRule ^private(/)?$ /login/index.php [L,QSA]

# Migtukai
RewriteRule ^private/information/([0-9A-Za-z-_]+)? ./index.php?info=$1&page=$2 [L,QSA]
RewriteRule ^private/upgrade/([0-9A-Za-z-_]+)? ./index.php?upgrade=$1 [L,QSA]
RewriteRule ^private/administration/([0-9A-Za-z-_]+)? ./index.php?admin=$1 [L,QSA]
RewriteRule ^private/settings/([0-9A-Za-z-_]+)? ./index.php?setup=$1 [L,QSA]