Dual Column Latest & Top Donor List

<!-- Show latest Donors, most recent at the top -->
<div class="half first">
<?php

// If the fundraiser exists and fundraising is installed then continue
if(get_post($post_id) && class_exists('WDF')) {
        global $wdf;
        // get_pledge_list() returns standard array() of post objects
        $pledge_list = $wdf->get_pledge_list($post_id);
        if ($pledge_list) {
echo "<div class='clearfix'></div>";
echo "<h2>Latest Donations</h2><ul>";
        foreach($pledge_list as $pledge) {
                // get_transaction() returns an array of available transaction meta-data;
                $transaction = $wdf->get_transaction($pledge->ID);
                //This prints the transaction array so you can see what is available for display.
                //echo '<pre>'.var_export($transaction,true).'</pre>';
                $lname = $transaction['last_name'];
                //echo '<li class="supporter">'.$transaction['first_name'].' '.$lname[0].'. donated $'.$transaction['gross'].' ' .$transaction['status'].'</li>';
                echo '<li class="supporter">'.$transaction['first_name'].' '.$lname[0].'. donated <span style="float:right; margin-right:5px;">$'.number_format($transaction['gross']).'</span></li>';
                }
        }
}
echo "</ul>";
?>
</div>


<!-- Show top Donors, grouped by Supporter Spot -->
<div class="half last">
<?php
// If fundraising is installed then continue
if(class_exists('WDF')) {
        global $wdf;
        // get_pledge_list() returns standard array() of post objects
        if(get_post($post_id)) {
                $pledge_list = $wdf->get_pledge_list($post_id);
                }
        else
                {
                $pledge_list = $wdf->get_pledge_list();
                }
        if ($pledge_list) {
        $pledgesort = array();
        // Build array to compare email accounts
        foreach($pledge_list as $pledge) {
                $transaction = $wdf->get_transaction($pledge->ID);
                $lname = $transaction['last_name'];
                $pledgesortdata = array(
                'name' => $transaction['first_name'].' '.$lname[0],
                'amount' => intval(preg_replace('~\.0+$~','',$transaction['gross'])),
                'email' => $transaction['payer_email']
                );
                $pledgesort[] = $pledgesortdata;
        }
        // Function to group donation by email address, in case same person makes multiple donations
        function arraySort($input,$sortkey){
          foreach ($input as $key=>$val) $output[$val[$sortkey]][]=$val;
          return $output;
        }
        $pledgesort = arraySort($pledgesort,'email');
        $backerlist = array();
        foreach($pledgesort as $backeremail) {
                        $amount = 0;
                        foreach($backeremail as $key) {
                          $amount = $amount + $key['amount'];
                        }
                $backerlistdata = array(
                'name' => $key['name'],
                'amount' => $amount,
            'email' => $key['email']
            );
                $backerlist[] = $backerlistdata;
    }
        $backerlist = arraySort($backerlist,'amount');
        krsort($backerlist);
        $backerlist = array_slice($backerlist, 0, 10);
        //print_r($backerlist);
        echo '<div id="topbackers">
        <div style="clear:both"></div>
        <h2>Top Donors</h2>
        <ul>
        ';
        $fan = 0;
        foreach($backerlist as $backer) {
                $fan = $fan + 1;

                echo '<li><span class="homehilight"># '.$fan.' Supporter Spot:</span><br />';
                $i = 0;
                foreach($backer as $key) {
                echo '<div>'.$key['name'].'. ';
                echo ' <span style="float:right; margin-right:5px;">$'.$key['amount'].'</span></div>';
                }
                echo '</li>';

        }
        echo '</ul></div>';
        }
}
?>
</div>