PHP Division::_objInstance示例

示例#1

文件： Division.php 项目： edupol/examsystem

 /**
  * Singleton Pattern
  *
  * Auto Create Object Instance.
  *
  */
 public static function getInstance()
 {
     if (null === self::$_objInstance) {
         self::$_objInstance = new Division();
     }
     return self::$_objInstance;
 }