record_upsell.php

<?php

// Record Source
  try {
      $seedprod_source = $_COOKIE['seedprod_source'];
      $source = '';
      if(!empty($seedprod_source)){
          $source = explode("|",$seedprod_source)[0];
          $dt = date("Y-m-d H:i:s",explode("|",$seedprod_source)[1]);
          $order = Order::find($data['order']->id);
          $order->source = $source;
          $order->source_datetime = $dt;
          $order->save();
          \Cookie::queue(\Cookie::forget('seedprod_source'));
      }
      $data['source'] = $source;
  }catch(\Exception $e){
  }