Php Resister code

 Php Resister code

<?
    include("include/common.php");
    include("include/header.php");
?>
<?
#    if(!$submit1)$submit1=1;
    if($submit1 == "1") {
        if($requirepaid) {
?>
            <h3>Signup for a New Account Step 1</h3><form method=post>
            <?=$table2?>
            <tr align=center>
                <td colspan=3>Select a Username. A password will be generated and emailed to you at the end of the signup process.<p></td>
            </tr>
<?            include("include/paidsignupform.php");    ?>
            </table>
            </form> 
<?
        }
        if(!$requirepaid) {
?>
            <h3>Signup for a New Account Step 1</h3><form method=post>
            <?=$table2?>
            <tr align=center>
                <td colspan=2>Fill out the form below. A password will be generated and emailed to you.<p></td>
            </tr>
<?            include("include/nopaidsignupform.php");    ?>
            </table></form>
<?
        }
    }else if($submit1 == "2") {
?>
        <h3>Signup for a New Account</h3>
        <?=$table2?>
        <tr align=center>
            <td colspan=2>Press your browser's 'Back' key and click 'I Agree' to our terms and conditions to continue the signup process.<p></td>
        </tr> 
<?
    }else if($submit2) {
        if(!ereg("^[A-Za-z0-9_]{1,16}$",$susername)) {
            $serror="Invalid username! Use no more than 15 characters and only letters, numbers, and underscores.<br>"; 
        }
        $this->c=@mysql_query("select username from users where username='$susername'");
        $this->d=mysql_fetch_object($this->c);
        if(is_object($this->d)) { $serror="Username is already in use<br>"; }
        $this->c=@mysql_query("select username from pending where username='$susername'");
        $this->d=mysql_fetch_object($this->c);
        if(is_object($this->d)) { $serror="Username is already in use<br>"; }
        echo "<h3>Signup for a New Account Step 3</h3>";
        if (!$serror) {
            $nowtime = time();
            mysql_query("insert into Pending (username,since) values ('$susername','$nowtime')"); 
?>
            <form action="https://www.paypal.com/cgi-bin/webscr" method="post">
            <?="$table2";?>
            <tr>
                <td align=center>
                    Click the button below to signup for our <?=$paypal_sub?> subscription through PayPal. 
                    The first 7 days are free, and you can cancel anytime before the 7 days are up 
                    and be charged nothing.<p>
                    <input type="hidden" name="cmd" value="_xclick-subscriptions">
                    <input type="hidden" name="no_shipping" value="1">
                    <input type="hidden" name="no_note" value="1">
                    <input type="hidden" name="p3" value="1">
                    <input type="hidden" name="t3" value="<?=$paypal_subcode?>">
                    <input type="hidden" name="a1" value="0.00">
                    <input type="hidden" name="src" value="1">
                    <input type="hidden" name="sra" value="1">
                    <input type="hidden" name="business" value="<?="$paypal_email";?>">
                    <input type="hidden" name="item_name" value="<?="$paypal_item";?>">
                    <input type="hidden" name="item_number" value="<?="$paypal_item_number";?>">
                    <input type="hidden" name="a3" value="<?="$paypal_price";?>">
                    <input type="hidden" name="notify_url" value="<?="$paypal_ipn";?>">
                    <input type="hidden" name="currency_code" value="<?="$paypal_currency";?>">
                    <input type="hidden" name="cancel_return" value="<?="$paypal_cancel_return";?>">
                    <input type="hidden" name="return" value="<?="$paypal_return";?>">
                    <input type="hidden" name="os0" value="<?="$susername";?>">
                    <input type="hidden" name="on0" value="Username">
                    <input type="submit" value="Subscribe now">
                </td>
            </tr>
            </table></form>
<? 
        }