code: public function getByIds(array $ids, $page=1, $per_page=100){
  
          return $this->getCollection('tickets/show_many.json?ids='.implode(',',$ids), 'tickets',$page, $per_page);
      }
docs: Return tickets by an array of Ids
  
  @param array $ids
  @param int $page
  @param int $per_page
  @return \Dlin\Zendesk\Result\PaginatedResult