コード例 #1
0
ファイル: Yii.php プロジェクト: fufudao/yii2-base
 /**
  * Stores the application instance in the class static member.
  * This method helps implement a singleton pattern for CApplication.
  * Repeated invocation of this method or the CApplication constructor
  * will cause the throw of an exception.
  * To retrieve the application instance, use {@link app()}.
  * @param CApplication $app the application instance. If this is null, the existing
  * application singleton will be removed.
  * @throws CException if multiple application instances are registered.
  */
 public static function setApplication($app)
 {
     if (self::$_app === null || $app === null) {
         self::$_app = $app;
     } else {
         throw new CException(Yii::t('yii', 'Yii application can only be created once.'));
     }
 }