function fetch_orders()
 {
     if (!current_user_can('edit_others_posts')) {
         return;
     }
     $request = $_REQUEST;
     if (isset($request['search']) && $request['search'] != '') {
         /**
          * search post with keyword
          */
         $posts = new WP_Query(array('s' => $request['search'], 'meta_key' => 'et_ad_order', 'showposts' => -1, 'post_status' => array('publish', 'pending', 'draft', 'archive', 'reject')));
         /**
          * build orders id param
          */
         $order_ids = array();
         while ($posts->have_posts()) {
             $posts->the_post();
             $order_id = get_post_meta(get_the_ID(), 'et_ad_order', true);
             if ($order_id) {
                 $order = get_post($order_id);
                 $order_ids = array_merge($order_ids, (array) $order->ID);
             }
         }
         // add args post__in to query order
         if (!empty($order_ids)) {
             $request['post__in'] = $order_ids;
         }
     }
     /**
      * get orders
      */
     $orders = AE_Order::get_orders($request);
     $content = '';
     ob_start();
     while ($orders->have_posts()) {
         $orders->the_post();
         global $post;
         ae_get_template_part('order', 'item');
     }
     $content = ob_get_clean();
     $response = array();
     $response['pages'] = $orders->max_num_pages;
     $response['page'] = $_REQUEST['paged'] + 1;
     $response['data'] = $content;
     if (!$orders->have_posts()) {
         $response['msg'] = __("No order found by your query.", 'aecore-fields-backend');
     }
     wp_send_json($response);
 }