<?php 
        if (CART66_PRO && Cart66Setting::getValue('enable_advanced_notifications') == 1) {
            ?>
      <?php 
            $tracking = explode(',', $order->tracking_number);
            if (!empty($order->tracking_number)) {
                ?>
        <tr>
          <td colspan="3" class="receipt_tracking_numbers">
            <?php 
                $i = 1;
                foreach ($tracking as $key => $value) {
                    $number = substr(strstr($value, '_'), 1);
                    $carrier = mb_strstr($value, '_', true);
                    $carrierName = Cart66AdvancedNotifications::convertCarrierNames($carrier);
                    $link = Cart66AdvancedNotifications::getCarrierLink($carrier, $number);
                    ?>
                <div id="tracking_<?php 
                    echo $i;
                    ?>
_<?php 
                    echo $carrierName;
                    ?>
" class="tracking_number">
                  <span class="carrier_<?php 
                    echo $carrierName;
                    ?>
"><?php 
                    echo $carrierName;
                    ?>
</span><span class="tracking_text"> <?php