public static function ajax_callback()
 {
     $rev = RWP_Tables_Meta_Box::get_instance();
     $rev->get_table_form($review = array('table_id' => $_REQUEST['rwp_table_id']));
     die;
 }
 public function add_plugin_meta_boxes()
 {
     $includes = array('class-meta-box-tables');
     foreach ($includes as $file) {
         include_once 'includes/' . $file . '.php';
     }
     // Reviews Meta Box
     $reviews_meta_box = RWP_Reviews_Meta_Box::get_instance();
     $reviews_meta_box->init();
     // Tables Meta Box
     $tables_meta_box = RWP_Tables_Meta_Box::get_instance();
     $tables_meta_box->init();
 }