public function maybe_process_feed($entry, $form)
 {
     $form_id = absint($form['id']);
     $steps = $this->get_steps($form_id);
     foreach ($steps as $step) {
         if (!$step instanceof Gravity_Flow_Step_Feed_Add_On) {
             continue;
         }
         $add_on_feeds = $step->get_feeds();
         foreach ($add_on_feeds as $feed) {
             $setting_key = 'feed_' . $feed['id'];
             if ($step->{$setting_key}) {
                 $step->intercept_submission();
                 continue 2;
             }
         }
     }
     return parent::maybe_process_feed($entry, $form);
 }