예제 #1
0
 /**
  * 객체의 인스턴스를 반환
  * @return ProductManager
  * */
 public static function get_instance()
 {
     //싱글톤 패턴
     if (!isset(ProductManager::$m_instance)) {
         ProductManager::$m_instance = new ProductManager();
     }
     return ProductManager::$m_instance;
 }